Single-model price lookup: current per-token cost for one AI model by id (e.g. claude-sonnet-5, gpt-5, gemini-3-pro) — input, output, cache and batch USD per 1M tokens. The cheapest way to answer 'what does this model cost right now?' inside a routing or budgeting decision. Fuzzy-matches model ids and suggests alternatives on miss. Includes provenance: provider source URL, first_observed_at, confidence tier.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://modelprices.xyz/llm/price/:model' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://modelprices.xyz/llm/price/:model'
Endpoint: https://modelprices.xyz/llm/price/:model. Operated by modelprices.xyz, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
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