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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 2026-09-14).
Returns current per-token USD pricing (input, output, cache, batch) for a specific AI model by ID, with fuzzy matching on model names.
Price / call$0.003
Success—
StatusUnknown
How this service works
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.
Output
Returns a structured object with the model's current USD per-million-token pricing broken down by input, output, cache, and batch dimensions. If the exact model ID is not found, the service fuzzy-matches and may suggest close alternatives.
Example use cases
Example prompt
“What does claude-sonnet-5 cost right now — input tokens, output tokens, cache, and batch — in USD per million tokens?”
Technical details
Endpoint
GEThttps://modelprices.xyz/llm/price/:modelWhen to prefer
Use this endpoint when you need the current price for exactly one known AI model by ID and want the fastest, cheapest single-call answer. Prefer this over the leaderboard or comparison endpoints when you already know which model you're evaluating and just need its cost breakdown for a routing or budgeting decision. The fuzzy matching makes it resilient to minor model ID variations (e.g. 'sonnet-5' vs 'claude-sonnet-5').
Side effects
- Model ID not found — service returns fuzzy-match suggestions or a 404-style error
- Ambiguous model suffix matches multiple models — response may list candidates instead of a single price
- Pricing data temporarily stale — rates may lag a provider's most recent price change
- Payment failure or insufficient USDC balance — call blocked before reaching pricing data
- Malformed model ID in path param — returns 400 or error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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