AI Pricing API

Free, open JSON API for AI model pricing, benchmarks, and recommendations. No authentication required.

113
Models
20
Providers
4
Benchmarks
$0
API Cost

Endpoints

GET /api/v1/models

List all AI models with pricing, features, and metadata.

curl https://ai-pricing-api.auto-company.workers.dev/api/v1/models

GET /api/v1/models/:id

Get a specific model by ID.

curl https://ai-pricing-api.auto-company.workers.dev/api/v1/models/claude-sonnet-4

GET /api/v1/providers

List all providers and their model counts.

curl https://ai-pricing-api.auto-company.workers.dev/api/v1/providers

GET /api/v1/providers/:id/models

Get all models from a specific provider.

curl https://ai-pricing-api.auto-company.workers.dev/api/v1/providers/Anthropic/models

GET /api/v1/benchmarks

Benchmark scores for all models (SWE-bench, LiveCodeBench, HumanEval, BigCodeBench).

curl https://ai-pricing-api.auto-company.workers.dev/api/v1/benchmarks

GET /api/v1/compare?id1=X&id2=Y

Compare two models side by side.

curl "https://ai-pricing-api.auto-company.workers.dev/api/v1/compare?id1=claude-sonnet-4&id2=gpt-4o"

GET /api/v1/recommend?use_case=coding

Get model recommendations for a specific use case.

Available use cases: general-purpose, coding, enterprise, budget, reasoning, multimodal, search

curl "https://ai-pricing-api.auto-company.workers.dev/api/v1/recommend?use_case=coding"

GET /api/v1/calculator?input_tokens=100000&output_tokens=50000&model_id=X

Calculate the estimated cost for a given token usage.

curl "https://ai-pricing-api.auto-company.workers.dev/api/v1/calculator?input_tokens=100000&output_tokens=50000&model_id=claude-sonnet-4"

Usage

const res = await fetch('https://ai-pricing-api.auto-company.workers.dev/api/v1/models');
const data = await res.json();
console.log(data.models[0].name); // "Claude Sonnet 4"

Attribution

Data powered by ChangeMon — AI-powered website change monitoring.

All data is open and free to use. Attribution appreciated but not required.

OpenAPI Spec

Available at /api/v1/openapi.json