o4-mini

by OpenAI

o4-mini is a remarkably smart model for its speed and cost-efficiency. This allows it to support significantly higher usage limits than o3, making it a strong high-volume, high-throughput option for everyone with questions that benefit from reasoning.

API Pricing

Input$1.1 / 1M tokens
Output$4.4 / 1M tokens
Cache read$0.28 / 1M tokens

Specifications

Context window200,000 tokens
Modalitiestext, image
Featuresthinking, tool, function calling, structured outputs

FAQ

What is o4-mini?

o4-mini is a remarkably smart model for its speed and cost-efficiency. This allows it to support significantly higher usage limits than o3, making it a strong high-volume, high-throughput option for everyone with questions that benefit from reasoning.

What is the context length of o4-mini?

o4-mini has a 200,000 token context window.

How much does o4-mini cost?

On AIHubMix, o4-mini costs $1.1 per million input tokens and $4.4 per million output tokens. Cached input reads are billed at $0.28 per million tokens.

What modalities does o4-mini support?

o4-mini accepts text and image input.

What features does o4-mini support?

o4-mini supports thinking, tool, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call o4-mini via API?

o4-mini 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 o4-mini — no other code changes needed.

Who develops o4-mini?

o4-mini is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use o4-mini via the AIHubMix unified API — one interface for every major LLM.