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.

When was O1 released?

O1 was released on December 5, 2024 by OpenAI.

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Use O1 via the AIHubMix unified API — one interface for every major LLM.