{
 "site": "RouteDesk",
 "checked": "2026-11-10",
 "license": "CC BY 4.0, credit \"RouteDesk (llmgateway.clioos.com)\". Vendor names are trademarks of their owners.",
 "authors": {
  "O": "official vendor page read by RouteDesk",
  "V": "article by another vendor",
  "C": "RouteDesk check or arithmetic"
 },
 "vendors": [
  {
   "slug": "openrouter",
   "name": "OpenRouter",
   "type": "gateway",
   "url": "https://openrouter.ai/",
   "pricing_url": "https://openrouter.ai/pricing",
   "license": "commercial (hosted)",
   "self_host": "no",
   "fees": {
    "markup": "0% (provider list price)",
    "topup": "5.5% Standard, 8% Business on credit purchases",
    "byok": "Standard and Business: first $25,000 a month of list-price inference free, then 5%"
   },
   "free_tier": "25+ free models; 50 requests a day on free models (Flatkey)",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0.055,
     "byokFree": 25000,
     "byokOver": 0.05,
     "src": "o",
     "byokSrc": "o"
    },
    "ladder": null
   },
   "sources": [
    {
     "id": "o",
     "label": "OpenRouter pricing page (5.5% and 8%; BYOK $25,000 free then 5%)",
     "url": "https://openrouter.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Fee is charged when you buy credits, not per request. The percentages and the BYOK rule ($25,000 free, then 5%) are on the vendor page. The vendor FAQ says Standard and Business have no minimums, so an earlier $0.80 minimum from a third-party article has been dropped.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "vercel-ai-gateway",
   "name": "Vercel AI Gateway",
   "type": "gateway",
   "url": "https://vercel.com/ai-gateway",
   "pricing_url": "https://vercel.com/docs/ai-gateway/pricing",
   "license": "commercial (hosted)",
   "self_host": "no",
   "fees": {
    "markup": "None; provider list rates",
    "topup": "None; you cover payment-processing fees",
    "byok": "Paid tier only, no fee"
   },
   "free_tier": "$5 a month credit, subset of models",
   "retention": null,
   "zero_data_retention": "Per request: free. Team-wide: $0.10 per 1,000 requests",
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Gateway (no platform fee)",
      "base": 0,
      "per": "org",
      "inc": 1000000000000,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Vercel AI Gateway pricing docs",
     "url": "https://vercel.com/docs/ai-gateway/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    }
   ],
   "recheck": "partial",
   "conflicts": [],
   "notes": "Add-ons such as team-wide ZDR ($0.10 per 1,000 requests), custom reporting and Trace Drains are off by default and not in the calculator.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "cloudflare-ai-gateway",
   "name": "Cloudflare AI Gateway",
   "type": "gateway",
   "url": "https://developers.cloudflare.com/ai-gateway/",
   "pricing_url": "https://developers.cloudflare.com/ai-gateway/reference/pricing/",
   "license": "commercial (hosted)",
   "self_host": "no",
   "fees": {
    "markup": "None; provider rates",
    "topup": "5% on Unified Billing credits ($100 credit costs $105)",
    "byok": "Supported; no gateway fee"
   },
   "free_tier": "Core features free (analytics, caching, rate limiting)",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0.05,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Workers Free logs (100,000 total)",
      "base": 0,
      "per": "org",
      "inc": 100000,
      "cap": 100000,
      "src": "o"
     }
    ],
    "unmodelled": "Above 100,000 logs you need Workers paid logging; its price is not modelled. Since 2026-09-24 new gateways store logs in Workers Logs, not Legacy Logs (vendor docs, updated 2026-11-02)."
   },
   "sources": [
    {
     "id": "o",
     "label": "Cloudflare AI Gateway pricing reference",
     "url": "https://developers.cloudflare.com/ai-gateway/reference/pricing/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "portkey",
   "name": "Portkey",
   "type": "gateway",
   "url": "https://portkey.ai/",
   "pricing_url": "https://portkey.ai/pricing",
   "license": "MIT gateway; hosted platform commercial",
   "self_host": "yes (MIT gateway)",
   "fees": {
    "markup": "n/a (bring your own keys)",
    "topup": "None",
    "byok": "Core model"
   },
   "free_tier": "Developer: 10k recorded logs a month",
   "retention": "30 days logs, 90 days metrics (Production)",
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Developer",
      "base": 0,
      "per": "org",
      "inc": 10000,
      "cap": 10000,
      "src": "o"
     },
     {
      "name": "Production",
      "base": 49,
      "per": "org",
      "inc": 100000,
      "step": 100000,
      "stepFee": 9,
      "cap": 3000000,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Portkey pricing page",
     "url": "https://portkey.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "helicone",
   "name": "Helicone",
   "type": "gateway",
   "url": "https://www.helicone.ai/",
   "pricing_url": "https://www.helicone.ai/pricing",
   "license": "open source (self-host)",
   "self_host": "yes",
   "fees": {
    "markup": "n/a",
    "topup": "None",
    "byok": "Yes"
   },
   "free_tier": "Hobby: 10,000 requests, 1 GB, 7-day retention",
   "retention": "Pro: 1 month",
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "continuum"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "continuum"
    },
    "ladder": [
     {
      "name": "Hobby",
      "base": 0,
      "per": "org",
      "inc": 10000,
      "cap": 10000,
      "src": "o"
     },
     {
      "name": "Pro",
      "base": 79,
      "per": "org",
      "inc": 1000000000000,
      "src": "flatkey",
      "usageNote": "Pro $79 is from Flatkey reading the vendor page; the vendor page text we captured does not print a Pro base price. Usage-based charges above the free allowance are not itemised."
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Helicone pricing page (Hobby free, Team $799, usage-based; Pro price not in the readable text)",
     "url": "https://www.helicone.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [
    "Prefactor (2026-10) says new cloud sign-ups have been disabled since March 2026, after the Mintlify acquisition. The vendor pricing page on 2026-11-10 says \"Helicone is no longer part of Mintlify. Details to come soon.\" and shows the plans with a pricing calculator, but does not say whether new sign-ups are open. Pro $79 is not printed in the page text we captured; it is listed by Flatkey (2026-10-22) and Prefactor (2026-10-20) reading the same page."
   ],
   "notes": "Team is $799 a month (vendor page, 2026-11-10). Availability to new customers is disputed between sources; the hosted product was in maintenance mode under Mintlify and ownership changed again in October 2026.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "litellm",
   "name": "LiteLLM",
   "type": "gateway",
   "url": "https://github.com/BerriAI/litellm",
   "pricing_url": null,
   "license": "MIT core; enterprise directory under a commercial licence",
   "self_host": "yes",
   "fees": {
    "markup": "None",
    "topup": "None",
    "byok": "Your own keys"
   },
   "free_tier": "Open source",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "continuum"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "continuum"
    },
    "ladder": [
     {
      "name": "Self-host (infrastructure not included)",
      "base": 0,
      "per": "org",
      "inc": 1000000000000,
      "src": "continuum"
     }
    ],
    "unmodelled": "Server, database and operations time are your cost and are not modelled."
   },
   "sources": [
    {
     "id": "github",
     "label": "LiteLLM GitHub repository (63,013 stars, 2026-11-10)",
     "url": "https://github.com/BerriAI/litellm",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "litellm-ai",
     "label": "LiteLLM home page (\"MIT-licensed and free to self-host; Enterprise adds SSO, RBAC, audit logs, SCIM, support\")",
     "url": "https://litellm.ai/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "About 63,000 GitHub stars (GitHub, 2026-11-10). MIT-licensed, free to self-host (litellm.ai). You pay for the server, database and your time. Enterprise features are sold through sales; no public price.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "kong-ai-gateway",
   "name": "Kong AI Gateway (Konnect)",
   "type": "gateway",
   "url": "https://konghq.com/products/kong-ai-gateway",
   "pricing_url": "https://konghq.com/pricing",
   "license": "Apache 2.0 (open-source plugins); Konnect commercial",
   "self_host": "yes (Apache 2.0)",
   "fees": {
    "markup": "n/a",
    "topup": "None",
    "byok": "Your own keys"
   },
   "free_tier": null,
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Konnect Plus (from)",
      "base": 25,
      "per": "org",
      "inc": 1000000,
      "step": 1000000,
      "stepFee": 200,
      "cap": 10000000,
      "src": "o",
      "usageNote": "Serverless AI gateway control plane is $25 a month; AI Gateway model proxies are $100 a month per model on top."
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Kong pricing page (\"Plus from $25/month plus usage\"; 1M requests included, $200 per additional 1M)",
     "url": "https://konghq.com/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [
    "Continuum (2026-08) says Konnect starts \"around $105/month per gateway with a million requests included\". The Kong pricing page on 2026-11-10 says Plus is \"From $25/month plus usage\", with 1 million requests included and $200 a month per additional 1 million requests (10 million a month maximum). The vendor page is current and the calculator uses it; the $105 figure appears to be an older price."
   ],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "bifrost",
   "name": "Bifrost (Maxim)",
   "type": "gateway",
   "url": "https://github.com/maximhq/bifrost",
   "pricing_url": null,
   "license": "Apache 2.0",
   "self_host": "yes (Apache 2.0)",
   "fees": {
    "markup": "None (open source)",
    "topup": "None",
    "byok": "Your own keys"
   },
   "free_tier": "Open source; Enterprise 14-day trial",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "continuum"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "continuum"
    },
    "ladder": [
     {
      "name": "Self-host (infrastructure not included)",
      "base": 0,
      "per": "org",
      "inc": 1000000000000,
      "src": "continuum"
     }
    ],
    "unmodelled": "Server and operations cost are yours."
   },
   "sources": [
    {
     "id": "github-bifrost",
     "label": "Bifrost GitHub repository (9,469 stars, Apache 2.0, 2026-11-10)",
     "url": "https://github.com/maximhq/bifrost",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "maxim",
     "label": "Maxim / Bifrost pricing page (OSS free, Enterprise custom pricing, 14-day trial)",
     "url": "https://www.getmaxim.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "About 9,500 GitHub stars (GitHub, 2026-11-10). Apache 2.0. Performance claims are the vendor's own. No public price for Enterprise.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "flatkey",
   "name": "Flatkey",
   "type": "gateway",
   "url": "https://flatkey.ai/",
   "pricing_url": "https://flatkey.ai/pricing",
   "license": "commercial (hosted)",
   "self_host": "no",
   "fees": {
    "markup": "Below provider list on many models, above on some (varies by model)",
    "topup": "None; bonus credit on top-ups ($10 gives $11 up to $300 gives $360)",
    "byok": "Bills from prepaid credit"
   },
   "free_tier": "n/a",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "notModelled": "Prices vary per model; the calculator needs your model mix."
   },
   "sources": [
    {
     "id": "o",
     "label": "Flatkey pricing page (top-ups $10 to $300)",
     "url": "https://flatkey.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "flatkey",
     "label": "Flatkey, \"AI Gateway Pricing (October 2026)\" (Flatkey sells a gateway)",
     "url": "https://flatkey.ai/blog/ai-gateway-pricing",
     "date": "2026-10-22",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "A reseller: the price depends on the model mix, so the calculator does not model it. It sells the gateway and also publishes two of the articles we cite.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "truefoundry",
   "name": "TrueFoundry AI Gateway",
   "type": "gateway",
   "url": "https://www.truefoundry.com/",
   "pricing_url": "https://www.truefoundry.com/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "None",
    "byok": "Your own keys"
   },
   "free_tier": "Developer: free for up to 3 users, 10K requests and tool calls per user a month",
   "retention": "Developer 7 days, Pro 30 days",
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Developer (up to 3 users)",
      "base": 0,
      "per": "seat",
      "inc": 10000,
      "perSeatUnits": true,
      "maxSeats": 3,
      "cap": 10000,
      "src": "o"
     },
     {
      "name": "Pro ($25 per user, 20K requests per user)",
      "base": 25,
      "per": "seat",
      "inc": 20000,
      "perSeatUnits": true,
      "step": 100000,
      "stepFee": 20,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "TrueFoundry pricing page",
     "url": "https://www.truefoundry.com/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "arcade",
     "label": "Arcade.dev, \"Best AI gateways\" (Arcade sells an agent-tools product)",
     "url": "https://www.arcade.dev/",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Pro overage \"+$20 per additional 100K requests\" appears on the vendor page.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "continuum",
   "name": "Continuum",
   "type": "gateway",
   "url": "https://continuumcode.ai/",
   "pricing_url": null,
   "license": "commercial (free app)",
   "self_host": "no",
   "fees": {
    "markup": "None (BYOK)",
    "topup": "None",
    "byok": "Free"
   },
   "free_tier": "Free app; BYOK free",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "markup": {
     "pct": 0,
     "src": "o"
    },
    "funding": {
     "nonByok": 0,
     "byok": 0,
     "src": "o"
    },
    "ladder": [
     {
      "name": "Free app",
      "base": 0,
      "per": "org",
      "inc": 1000000000000,
      "src": "o"
     }
    ],
    "unmodelled": "Coding-agent workbench, not a proxy for app traffic."
   },
   "sources": [
    {
     "id": "o",
     "label": "Continuum home page (\"free, vendor-neutral app\")",
     "url": "https://continuumcode.ai/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "continuum",
     "label": "Continuum, \"Best LLM gateways 2026: 9 compared and scored\" (Continuum builds a gateway)",
     "url": "https://continuumcode.ai/guides/best-llm-gateways/",
     "date": "2026-08",
     "author": "V"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "Built for coding agents, not application traffic (its own description). It also wrote the August 2026 comparison we cite. The app is free with BYOK; optional hosted inference plans run Plus $25 to Ultra $500 a month (vendor home page, 2026-11-10).",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "langfuse",
   "name": "Langfuse",
   "type": "observability",
   "url": "https://langfuse.com/",
   "pricing_url": "https://langfuse.com/pricing",
   "license": "MIT core; self-host",
   "self_host": "yes (MIT)",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Hobby: 50k units a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Hobby",
      "base": 0,
      "per": "org",
      "inc": 50000,
      "cap": 50000,
      "src": "o"
     },
     {
      "name": "Core",
      "base": 29,
      "per": "org",
      "inc": 100000,
      "step": 100000,
      "stepFee": 8,
      "src": "o"
     },
     {
      "name": "Pro",
      "base": 199,
      "per": "org",
      "inc": 100000,
      "step": 100000,
      "stepFee": 8,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Langfuse pricing page",
     "url": "https://langfuse.com/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Lower rates apply above 1M units ($7, $6.50, $6 per 100k); the calculator uses $8 throughout.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "langsmith",
   "name": "LangSmith",
   "type": "observability",
   "url": "https://www.langchain.com/langsmith",
   "pricing_url": "https://www.langchain.com/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Developer: 1 seat, 5k base traces a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Developer (1 seat)",
      "base": 0,
      "per": "org",
      "inc": 5000,
      "cap": 5000,
      "maxSeats": 1,
      "src": "o"
     },
     {
      "name": "Plus ($39 per seat)",
      "base": 39,
      "per": "seat",
      "inc": 10000,
      "step": 1000,
      "stepFee": 5,
      "src": "o",
      "usageNote": "Extra traces: 0.005 LSU each at $1.00 per LSU, so $5 per 1,000."
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "LangChain pricing page (LangSmith)",
     "url": "https://www.langchain.com/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "arize-ax",
   "name": "Arize AX / Phoenix",
   "type": "observability",
   "url": "https://arize.com/",
   "pricing_url": "https://arize.com/pricing/",
   "license": "Phoenix open source; AX commercial",
   "self_host": "Phoenix: yes",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "AX Free: 25k spans a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "AX Free",
      "base": 0,
      "per": "org",
      "inc": 25000,
      "cap": 25000,
      "src": "o"
     },
     {
      "name": "AX Pro",
      "base": 50,
      "per": "org",
      "inc": 50000,
      "step": null,
      "stepFee": null,
      "cap": 50000,
      "src": "o"
     }
    ],
    "unmodelled": "Overage above 50k spans is not published on the page."
   },
   "sources": [
    {
     "id": "o",
     "label": "Arize pricing page",
     "url": "https://arize.com/pricing/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "datadog-llm-observability",
   "name": "Datadog LLM Observability",
   "type": "observability",
   "url": "https://www.datadoghq.com/product/llm-observability/",
   "pricing_url": "https://www.datadoghq.com/pricing/?product=llm-observability",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free tier: up to 40K LLM spans a month, 15-day retention",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Free",
      "base": 0,
      "per": "org",
      "inc": 40000,
      "cap": 40000,
      "src": "o"
     },
     {
      "name": "Pro (annual billing)",
      "base": 160,
      "per": "org",
      "inc": 100000,
      "step": 10000,
      "stepFee": 3.5,
      "src": "o",
      "usageNote": "Pro is $160 a month billed annually ($200 month-to-month, $240 on-demand) for the first 100K LLM spans; $3.50 per 10K extra billed annually."
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Datadog pricing page (Pro \"Starting At $160 per month\", annual pricing shown; $3.50 per 10K extra)",
     "url": "https://www.datadoghq.com/pricing/?product=llm-observability",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Resolved 2026-11-10: the $160 a month annual base, previously sourced from Prefactor, is stated on the Datadog pricing page itself (\"Starting At $160 per month\", annual pricing shown).",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "logfire",
   "name": "Pydantic Logfire",
   "type": "observability",
   "url": "https://pydantic.dev/logfire",
   "pricing_url": "https://pydantic.dev/pricing",
   "license": "commercial (SDK open source)",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Personal: 10M records a month, hard-capped at $0",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Personal",
      "base": 0,
      "per": "org",
      "inc": 10000000,
      "cap": 10000000,
      "src": "o"
     },
     {
      "name": "Team (5 seats included)",
      "base": 49,
      "per": "org",
      "inc": 10000000,
      "step": 1000000,
      "stepFee": 2,
      "src": "o",
      "seatsIncluded": 5,
      "extraSeat": 25
     },
     {
      "name": "Growth (unlimited seats)",
      "base": 249,
      "per": "org",
      "inc": 10000000,
      "step": 1000000,
      "stepFee": 2,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Pydantic pricing page",
     "url": "https://pydantic.dev/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "opik",
   "name": "Opik (Comet)",
   "type": "observability",
   "url": "https://www.comet.com/site/products/opik/",
   "pricing_url": "https://www.comet.com/site/pricing/",
   "license": "open source; self-host free",
   "self_host": "yes",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free Cloud: 25k spans a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Free Cloud",
      "base": 0,
      "per": "org",
      "inc": 25000,
      "cap": 25000,
      "src": "o"
     },
     {
      "name": "Pro Cloud",
      "base": 19,
      "per": "org",
      "inc": 100000,
      "step": 100000,
      "stepFee": 5,
      "src": "o",
      "stepSrc": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Comet pricing page (Opik)",
     "url": "https://www.comet.com/site/pricing/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "partial",
   "conflicts": [],
   "notes": "",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "braintrust",
   "name": "Braintrust",
   "type": "observability",
   "url": "https://www.braintrust.dev/",
   "pricing_url": "https://www.braintrust.dev/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free: 1 GB, 10K scores, 14-day retention",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "notModelled": "Priced in GB processed and scores, not requests; no vendor-published conversion from requests to GB."
   },
   "sources": [
    {
     "id": "o",
     "label": "Braintrust pricing page (Free $0, Pro $249; GB and score rates)",
     "url": "https://www.braintrust.dev/pricing",
     "date": "2026-11-10",
     "author": "O"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Pro $249 a month with 5 GB and 50K scores included, then $3/GB and $1.50 per 1,000 scores; Free $0 with 1 GB and 10K scores, then $4/GB and $2.50 per 1,000 scores (vendor pricing page, 2026-11-10). Billed in GB processed and scores, not requests, so the calculator does not model it.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "galileo",
   "name": "Galileo",
   "type": "observability",
   "url": "https://galileo.ai/",
   "pricing_url": "https://galileo.ai/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free: 5,000 traces a month (third-party reports; vendor page no longer lists prices)",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "notModelled": "Annual contract pricing not confirmed on the vendor page; the page now redirects to Splunk pricing."
   },
   "sources": [
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    },
    {
     "id": "o",
     "label": "Galileo pricing page (2026-09-06 copy; Enterprise only, no plan prices in readable text)",
     "url": "https://galileo.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "Prefactor: from $100 a month per 1.2 million spans a year, billed annually. Third-party checks (Aug–Oct 2026) agree Pro was $100 a month billed yearly with 50,000 traces a month and Free 5,000 traces, with no published overage rate; galileo.ai/pricing now redirects to Splunk pricing after the Cisco/Splunk acquisition. We do not model it on third-party figures alone.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "confident-ai",
   "name": "Confident AI",
   "type": "observability",
   "url": "https://www.confident-ai.com/",
   "pricing_url": "https://www.confident-ai.com/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free: 2 seats, 1 GB-month trace data",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Free",
      "base": 0,
      "per": "org",
      "inc": 100000,
      "cap": 100000,
      "src": "o"
     },
     {
      "name": "Starter",
      "base": 200,
      "per": "org",
      "inc": 500000,
      "step": 100000,
      "stepFee": 1,
      "src": "o",
      "usageNote": "Vendor conversion: ~100K traces ≈ 1 GB; assumes 1-month retention."
     },
     {
      "name": "Team",
      "base": 2000,
      "per": "org",
      "inc": 7500000,
      "step": 100000,
      "stepFee": 1,
      "src": "o",
      "usageNote": "Vendor conversion: ~100K traces ≈ 1 GB; assumes 1-month retention."
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Confident AI pricing page (Free $0, Starter $200, Team $2,000; $1 per GB-month over)",
     "url": "https://www.confident-ai.com/pricing",
     "date": "2026-11-10",
     "author": "O"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Priced in GB-months of trace data; the vendor's own calculator says ~100K traces ≈ 1 GB, so the calculator models GB-months as traces at 1-month retention.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "fiddler",
   "name": "Fiddler",
   "type": "observability",
   "url": "https://www.fiddler.ai/",
   "pricing_url": "https://www.fiddler.ai/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free guardrails plan (demo request)",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Developer ($0.002 per trace)",
      "base": 0,
      "per": "org",
      "inc": 0,
      "step": 1,
      "stepFee": 0.002,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Fiddler pricing page ($0.002 per trace)",
     "url": "https://www.fiddler.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Enterprise (VPC, on-prem) is quote-based.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "wandb-weave",
   "name": "W&B Weave",
   "type": "observability",
   "url": "https://wandb.ai/site/weave/",
   "pricing_url": "https://wandb.ai/site/pricing/",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Free: 1 GB Weave ingestion a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "notModelled": "Priced in MB ingested; no vendor-published conversion from requests to MB."
   },
   "sources": [
    {
     "id": "o",
     "label": "Weights & Biases pricing page (now CoreWeave Forge; Weave ingestion Free 1 GB, Pro 1.5 GB, +$0.10/MB)",
     "url": "https://wandb.ai/site/pricing/",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "partial",
   "conflicts": [],
   "notes": "Priced in GB/MB ingested, not requests; no vendor-published conversion from traces to MB. Vendor page now brands as CoreWeave Forge: Weave ingestion Free 1 GB a month, Pro 1.5 GB a month, then $0.10/MB (vendor page, 2026-11-10). Forge Pro from $60 a month is Prefactor's figure; the Pro platform price is not stated on the page text we read.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "maxim-ai",
   "name": "Maxim AI",
   "type": "observability",
   "url": "https://www.getmaxim.ai/",
   "pricing_url": "https://www.getmaxim.ai/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Developer: 3 seats, 10k logs a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "notModelled": "Log limits on paid plans not published in our sources."
   },
   "sources": [
    {
     "id": "o",
     "label": "Maxim / Bifrost pricing page (Bifrost OSS and Enterprise only; no Maxim observability plan prices in readable text)",
     "url": "https://www.getmaxim.ai/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "loaded_no_check",
   "conflicts": [],
   "notes": "Professional $29 per seat a month and Business $49 per seat (Prefactor). Log limits per paid plan are not stated in our sources. The vendor pricing page (2026-11-10) presents Bifrost OSS (free) and Enterprise (custom) only.",
   "checked_at": "2026-11-10"
  },
  {
   "slug": "prefactor",
   "name": "Prefactor",
   "type": "observability",
   "url": "https://prefactor.tech/",
   "pricing_url": "https://prefactor.tech/pricing",
   "license": "commercial",
   "self_host": "no",
   "fees": {
    "markup": "n/a",
    "topup": "n/a",
    "byok": "n/a"
   },
   "free_tier": "Dev: 5,000 spans a month",
   "retention": null,
   "zero_data_retention": null,
   "price_rules": {
    "ladder": [
     {
      "name": "Dev",
      "base": 0,
      "per": "org",
      "inc": 5000,
      "cap": 5000,
      "src": "o"
     },
     {
      "name": "Startup",
      "base": 49,
      "per": "org",
      "inc": 15000,
      "step": 1,
      "stepFee": 0.0025,
      "src": "o"
     },
     {
      "name": "Scaleup",
      "base": 199,
      "per": "org",
      "inc": 100000,
      "step": 1000,
      "stepFee": 2.5,
      "src": "o"
     }
    ]
   },
   "sources": [
    {
     "id": "o",
     "label": "Prefactor pricing page (Dev free 5,000 spans; Startup $49, 15,000 spans, $0.0025/span; Scaleup $199, 100,000 spans, $2.50/1k)",
     "url": "https://prefactor.tech/pricing",
     "date": "2026-11-10",
     "author": "O"
    },
    {
     "id": "prefactor",
     "label": "Prefactor, \"Agent Observability and Evaluation Platforms Compared (2026)\" (Prefactor sells an observability product)",
     "url": "https://prefactor.tech/compare/agent-observability-evaluation-platforms",
     "date": "2026-10",
     "author": "V"
    }
   ],
   "recheck": "confirmed",
   "conflicts": [],
   "notes": "Prefactor also wrote the comparison we cite for several rows. Startup $49 a month or $499 a year; Scaleup $199 a month (annual $2,000 a year, overage $2.00/1k). Every plan is the full platform; seats unlimited.",
   "checked_at": "2026-11-10"
  }
 ]
}