OpenAI o4-mini
o4-mini: OpenAI o4 Mini chat completions, paid per call in USDC. Per 1M tokens in/out: Flex (default) 0.55/2.2, Standard 1.1/4.4, Fast 2.0/8.0; pick with service_tier. Plus $0.0005 (Base) or $0.0005 (Solana) per call; the quote charges inpu
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 75 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- AI model answers
- Address
- https://openai.mm.family/x402/v1/models/o4-mini/chat/completions
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
Does it pass an agent's tools to the model?
We send one tool the question cannot be answered without. 0 of 0 checked calls reached the model; 0 came back with the model saying it was given no tools; 1 returned no answer.
| Day | Result | Model | What came back | Note |
|---|---|---|---|---|
| 2026-10-12 | no answer | HTTP 401 |
For agents
This page as JSON: /sellers/e6c975717418.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).