According to UsagePricing's tracker, o3-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens as of September 2026. The model supports a 200,000-token context window.
Previous-generation small reasoning model — same list rate as o4-mini, kept on the price list for existing integrations.
Token Costs (per 1M)
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 9/9/2026 | $1.10 | $4.40 |
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Frequently Asked Questions
How much does o3-mini cost per 1M tokens? ▼
o3-mini costs $1.1 per 1M input tokens and $4.4 per 1M output tokens as of September 2026.
What is o3-mini's context window? ▼
o3-mini has a context window of 200,000 tokens, meaning it can process approximately 150,000 words in a single request.
Who makes o3-mini? ▼
o3-mini is made by OpenAI. You can access it via the OpenAI API.