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MycелiaSignal LLM Price Oracle — Cheapest Provider by Tier
x402
MycелiaSignal LLM Price Oracle — Cheapest Provider by Tier is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Returns the cheapest LLM provider and pricing for each tier (frontier, efficient, fast, reasoning) across all major providers, with an Ed25519-signed attestation
Price / call$0.02
Success—
StatusUnknown
How this service works
Cheapest LLM per tier (frontier/efficient/fast/reasoning) across all providers — Ed25519 signed attestation
Output
A structured comparison of the cheapest LLM provider and associated pricing for each tier (frontier, efficient, fast, reasoning) across all major providers, accompanied by an Ed25519 cryptographic signature for trustless verification of the data's authenticity and freshness.
Example use cases
Example prompt
“Which LLM provider is currently the cheapest for each tier — frontier, efficient, fast, and reasoning — and can you give me a signed attestation I can verify?”
Technical details
Endpoint
GEThttps://api.myceliasignal.com/oracle/inference/compareWhen to prefer
Use this endpoint when you need a cryptographically verifiable, cross-provider LLM pricing comparison sorted by cost tier. Ideal for agents or smart contracts making cost-optimized inference routing decisions, cost auditing workflows, or any context where tamper-evident proof of pricing data is required. Prefer this over manual price checks or non-attested sources when on-chain or trustless verification matters.
Side effects
- Payment not received or invalid — 402 response returned
- Provider data temporarily unavailable — partial or stale tier data
- Ed25519 signing failure — attestation cannot be generated
- Network timeout from upstream provider aggregation
- Invalid query parameters — 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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