Api Endpoint

Annalist

AI model prices per million tokens (input, output, cache, batch) with context window, for about 4,000 models across providers. With model=: its price history and the same model on other providers. Without: a list filtered by provider, mode, min_context and max_input price, sorted by input, output or context. History from January 2026. Source: LiteLLM's open price file (MIT). Signed.

Open interactive test console

Offering

Provider
api.annalist.dev
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Development
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.annalist.dev/v1/ai/prices
MIME type
application/json
First seen
2026-10-16T13:31:51.689Z
Last seen
Tags
AI, LLM, pricing, models, price-history

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xDE4805678438b6bfBbFE047fFF305C928653Fe17"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "payTo": "8j7NNmuxmobnZh7s4Mn9vsSF1BiiGFDpBHZ2XQxz2TME"
  }
]

Observed health

Status
Healthy
Latest latency
76 ms
Average latency
390 ms
HTTP status
402
Last checked
Reachability
92.9% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "model": {
          "type": "string"
        },
        "provider": {
          "type": "string"
        },
        "mode": {
          "type": "string",
          "description": "chat, embedding, image_generation..."
        },
        "min_context": {
          "type": "string"
        },
        "max_input": {
          "type": "string",
          "description": "max input price, USD per million tokens"
        },
        "sort": {
          "type": "string",
          "enum": [
            "input",
            "output",
            "context"
          ]
        },
        "limit": {
          "type": "string"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "limit": {
              "type": "string"
            },
            "max_input": {
              "description": "max input price, USD per million tokens",
              "type": "string"
            },
            "min_context": {
              "type": "string"
            },
            "mode": {
              "description": "chat, embedding, image_generation...",
              "type": "string"
            },
            "model": {
              "type": "string"
            },
            "provider": {
              "type": "string"
            },
            "sort": {
              "enum": [
                "input",
                "output",
                "context"
              ],
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}