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mirrored listing x402 eip155:8453

Cheapest million-token-context LLM leaderboard: every AI model with a 1,000,000-token cont

Cheapest million-token-context LLM leaderboard: every AI model with a 1,000,000-token context window or larger, ranked by inference cost per token — Gemini 3 Pro, Gemini 3 Flash, Llama 4 Scout, GPT-5 long-context tiers and more. Input, output and cache USD per 1M tokens with exact context window and max output joined in. Answers 'what is the cheapest model that fits my whole corpus?' Refreshed hourly.

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Claim this listing
10000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-29
updated

Provider

modelprices.xyz · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x63a20fa244d3E6a8902121E99704b7F857dc6EBB",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "board": "Cheapest 1M+ context models",
          "generated_at": "2026-07-14T02:00:00.000Z",
          "model_count": 24,
          "models": [
            {
              "context_window": 200000,
              "id": "gemini-3-flash",
              "input_per_mtok": 3,
              "output_per_mtok": 15,
              "provider": "anthropic"
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "builder-code": {
    "info": {
      "a": "modelprices"
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "a": {
          "description": "App builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        },
        "s": {
          "description": "Service builder codes",
          "items": {
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "type": "array"
        },
        "w": {
          "description": "Wallet builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

Use it

curl

curl "https://modelprices.xyz/llm/cheapest/million-token-context"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://modelprices.xyz/llm/cheapest/million-token-context");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://modelprices.xyz/llm/cheapest/million-token-context")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/10938.json, and this resource appears in /discovery/resources and /discovery/search.