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modelprices.xyz Single-Model Price Lookup
x402
modelprices.xyz Single-Model Price Lookup is a paid API for AI agents from modelprices.xyz, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Returns current per-token pricing (input, output, cache) for a single LLM by model ID, normalized across 70+ providers.
Price / call$0.003
Success—
StatusUnknown
How this service works
Per-token prices, capability limits, and a price-change feed for 2,000+ LLMs across 70+ providers, normalized into single JSON tables and refreshed hourly.
Output
A JSON object containing the model's canonical ID, provider name, input price per million tokens, output price per million tokens, cache read price per million tokens, and a timestamp indicating when the data was last refreshed (hourly cadence).
Example use cases
Cost estimation before model switch
“Before I migrate my pipeline to gpt-4o, can you pull the current input and output token prices for it so I can estimate my monthly spend?”
Comparing two model prices inline
“I'm deciding between claude-sonnet-5 and gemini-1.5-pro — can you look up the per-token pricing for claude-sonnet-5 right now so I can compare?”
Automated cost tracking in agent workflow
“My agent just picked gpt-4o-mini to answer a query — fetch its current input and output token prices from modelprices.xyz so I can log the estimated cost of this call.”
Technical details
Endpoint
GEThttps://modelprices.xyz/llm/price/%7Bmodel%7DWhen to prefer
Use this endpoint when you need precise, normalized per-token pricing for a single known LLM model ID and want a lightweight single-model lookup rather than a full pricing table. Prefer this over scraping provider websites or using the comparison table endpoint when you already know the model ID and just need its current rates programmatically.
Side effects
- Unknown or misspelled model ID returns no match or 404
- Model exists but pricing data not yet available for new releases
- Stale data if called within same hour as a provider repricing event
- Ambiguous model IDs (e.g. 'claude-3' without version) may not resolve correctly
- Network timeout or payment failure (x402 $0.002 USDC) blocks the response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"model": {
"id": "claude-sonnet-5",
"provider": "anthropic",
"input_per_mtok": 3,
"output_per_mtok": 15,
"cache_read_per_mtok": 0.3
},
"matched_id": "claude-sonnet-5",
"generated_at": "2026-07-14T02:00:00.000Z"
}
}Tags
x402
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