O1

o1 · OpenAI

OpenAI's most powerful O-series model supports official cache hits that halve the input cost.

API Pricing

Input$15 / 1M tokens
Output$60 / 1M tokens
Cache read$7.5 / 1M tokens

Specifications

Modalitiestext
Featuresthinking

Frequently asked questions

What is o1?

OpenAI's most powerful O-series model supports official cache hits that halve the input cost.

How much does o1 cost?

On AIHubMix, o1 costs $15 per million input tokens and $60 per million output tokens. Cached input reads are billed at $7.5 per million tokens.

What modalities does o1 support?

o1 accepts text input.

What capabilities does o1 support?

o1 supports thinking. Per-protocol parameter support is listed in the capability table on this page.

How do I call o1 via API?

o1 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to o1 — no other code changes needed.

Who created o1?

o1 is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use o1 via the AIHubMix unified API — one interface for every major LLM.