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Metered.

For AI agents

Input, output, cached and batch prices per million tokens for about 250 language models on every route that sells them, with dated price history, plus fees for 22 gateways and platforms.

Updated 10h agoRefreshed every morning at 05:00 UTC

Point your agent here

Call the API

  • GET /api/modelslimit?, offset?models with input, output, cached and batch prices per 1M tokens (USD), context, release date and the route the price comes from
  • GET /api/models/{id}idthe model, every route (lab, clouds, hosts) with its prices, and dated changes
  • GET /api/gatewaysnoneeach way to buy with its markup on tokens, bring-your-own-key fee, free tier, entry plan and features
  • GET /api/changesall?, limit?, offset?changes with model, route, field (input, output, cached), old and new price and the day it was first seen
  • GET /api/searchq, limit?up to 20 ranked results with title, link and one line

GET/api/models

Every tracked model with its headline price

  • limitItems per page, 1 to 200
  • offsetItems to skip, for the next page
Shell
curl -s "https://metered.fru.dev/api/models?limit=3"
Sample response
JSON
{
  "note": "List prices from providers' pages on the date shown; your contract may differ. USD per million tokens.",
  "models": [
    {
      "id": "glm-5-3-prime",
      "name": "GLM 5.3 Prime",
      "creator": "z-ai",
      "released": "2026-09-23",
      "context": 1000000,
      "input": 2.8,
      "output": 8.8,
      "cached_input": 0.56,
      "batch_input": null,
      "batch_output": null,
      "blended_3_to_1": 4.3,
      "price_route": "list",
      "routes": 2,
      "url": "https://metered.fru.dev/models/glm-5-3-prime"
    },
    {
      "id": "qwen3-8-max-prime",
      "name": "Qwen3.8 Max Prime",
      "creator": "qwen",
      "released": "2026-09-23",
      "context": 1000000,
      "input": 4,
      "output": 12,
      "cached_input": 0.5,
      "batch_input": null,
      "batch_output": null,
      "blended_3_to_1": 6,
      "price_route": "list",
      "routes": 1,
      "url": "https://metered.fru.dev/models/qwen3-8-max-prime"
    }
  ],
  "total": 253,
  "limit": 3,
  "offset": 0,
  "next": "/api/models?limit=3&offset=3"
}

GET/api/models/{id}

One model with the price on every route and its price changes

  • idModel id, as in /models/<id>
Shell
curl -s "https://metered.fru.dev/api/models/claude-sonnet-5"
Sample response
JSON
{
  "model": {
    "id": "claude-sonnet-5",
    "orId": "anthropic/claude-sonnet-5",
    "name": "Claude Sonnet 5",
    "creator": "anthropic",
    "creatorName": "Anthropic",
    "creatorDomain": "anthropic.com",
    "releaseDate": "2026-06-30",
    "context": 1000000,
    "maxOutput": 128000,
    "inputMods": [
      "text",
      "image"
    ],
    "outputMods": [
      "text"
    ],
    "openWeights": false,
    "reasoning": true,
    "description": "Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work."
  },
  "offers": [
    {
      "modelId": "claude-sonnet-5",
      "route": "aws-bedrock/eu-west-1",
      "providerSlug": "aws-bedrock",
      "providerName": "AWS Bedrock",
      "providerDomain": "aws.amazon.com",
      "input": 2.2,
      "output": 11,
      "cacheRead": 0.22,
      "cacheWrite": 2.75,
      "batchInput": null,
      "batchOutput": null,
      "context": 1000000,
      "quantization": "",
      "source": "openrouter"
    },
    {
      "modelId": "claude-sonnet-5",
      "route": "aws-bedrock/global",
      "providerSlug": "aws-bedrock",
      "providerName": "AWS Bedrock",
      "providerDomain": "aws.amazon.com",
      "input": 2,
      "output": 10,
      "cacheRead": 0.2,
      "cacheWrite": 2.5,
      "batchInput": null,
      "batchOutput": null,
      "context": 1000000,
      "quantization": "",
      "source": "openrouter"
    }
  ],
  "changes": []
}

GET/api/gateways

Gateways, cloud and data platforms and developer hubs that sell model access

Shell
curl -s "https://metered.fru.dev/api/gateways"
Sample response
JSON
{
  "gateways": [
    {
      "slug": "helicone",
      "group": "independent",
      "pricingModel": "0% markup on credits; plans by requests and seats (Pro $79 a month)",
      "conversionNote": "",
      "routeSlug": "",
      "name": "Helicone",
      "company": "helicone",
      "domain": "helicone.ai",
      "oneLine": "Open source LLM observability platform with an OpenAI-compatible AI gateway that logs, caches and fails over requests across providers.",
      "markupPct": 0,
      "markupNote": "Gateway docs state 0% markup on credits.",
      "byok": true,
      "byokFeePct": 0,
      "byokFreeUsd": null
    },
    {
      "slug": "kong-ai-gateway",
      "group": "independent",
      "pricingModel": "$100 a month per model proxied (Konnect Plus); no token fee",
      "conversionNote": "",
      "routeSlug": "",
      "name": "Kong AI Gateway",
      "company": "kong",
      "domain": "konghq.com",
      "oneLine": "Set of AI plugins on the Kong API gateway that add multi-provider routing, load balancing, semantic caching, guardrails and token rate li...",
      "markupPct": 0,
      "markupNote": "Priced per model proxied, not per token; no token markup mentioned.",
      "byok": false,
      "byokFeePct": null,
      "byokFreeUsd": null
    }
  ]
}

GET/api/changes

Dated list-price changes, newest first

  • allSet to 1 for every route, not only lab list prices
  • limitItems per page, 1 to 200
  • offsetItems to skip, for the next page
Shell
curl -s "https://metered.fru.dev/api/changes?limit=3"
Sample response
JSON
{
  "changes": [
    {
      "id": 3,
      "modelId": "gemini-3-7-flash",
      "modelName": "Gemini 3.7 Flash",
      "creator": "google",
      "creatorDomain": "ai.google.dev",
      "route": "list",
      "field": "cache_read",
      "old": 0.0375,
      "new": 0.075,
      "seenOn": "2026-08-29",
      "prevSeen": "2026-08-28",
      "source": "wayback",
      "sourceUrl": "https://web.archive.org/web/20260829163340/https://openrouter.ai/api/v1/models"
    },
    {
      "id": 2,
      "modelId": "gemini-3-7-flash",
      "modelName": "Gemini 3.7 Flash",
      "creator": "google",
      "creatorDomain": "ai.google.dev",
      "route": "list",
      "field": "output",
      "old": 1.875,
      "new": 3.75,
      "seenOn": "2026-08-29",
      "prevSeen": "2026-08-28",
      "source": "wayback",
      "sourceUrl": "https://web.archive.org/web/20260829163340/https://openrouter.ai/api/v1/models"
    }
  ],
  "total": 145,
  "limit": 3,
  "offset": 0,
  "next": "/api/changes?limit=3&offset=3"
}

Add to your agent

System prompt
For LLM API prices per million tokens and AI gateway fees, fetch https://metered.fru.dev/llms.txt and use https://metered.fru.dev/api/models (spec: https://metered.fru.dev/openapi.json). Cite "Metered (metered.fru.dev)" with a link.

Usage terms

  • Free to read, no key needed
  • Cite "Metered (metered.fru.dev)" with a link
  • Responses are cached; refreshed every morning at 05:00 UTC
  • Keep to 60 requests a minute or fewer
  • Gateway facts marked unverified were re-read by an agent from the vendor's page and not yet checked by hand. List prices; your contract may differ.

Weekly: LLM API list prices that changed, Thursday mornings.