o3 Mini pricing
OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to "high", "medium", or "low" to control the thinking time of the model. The default is "medium". OpenRouter also offers the model slug `openai/o3-mini-high` to default the parameter to "high". The model features three adjustable reasoning effort levels and supports key developer. Live index: 4 priced offers. Best input $1.10 per million tokens from Vercel Ai Gateway. Best output $4.40 per million tokens from Vercel Ai Gateway.
Pricing across providers
All figures are list prices per million tokens unless a column says otherwise. 4 offers are listed for o3 Mini. Best input in this view: Vercel Ai Gateway.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
VA Vercel Ai Gateway | $1.10 | $4.40 | $0.550 | — |
A Azure | $1.10 | $4.40 | $0.550 | — |
O OpenAInative | $1.10 | $4.40 | $0.550 | — |
O Openrouter | $1.10 | $4.40 | — | — |
Input vs output · per provider
Cost calculator
Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for o3 Mini.
Provider
0.110000¢ / req
0.220000¢ / req
Model specifications
Quick spec sheet for o3 Mini before you dive back into pricing. Family: o3. Reported under OpenAI.
- Context window
- 200,000 tokens
- Max output
- 100,000 tokens
- Vision (images)
- No
- Tool / function calling
- Yes
- Streaming
- No
- Released
- Jan 2025
- Primary provider
- OpenAI
- Model family
- o3
Compare o3 Mini
These links open full side by side pages for o3 Mini. We picked pairs that people often shop together. 6 ready to open.
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- o3 Mini vs Claude Sonnet 4.6
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- o3 Mini vs Gemini 2.0 Flash
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- o3 Mini vs Llama 3.1 70B
Compare pricing side by side
Frequently asked questions
Answers pull from the same numbers you see on this page. The short model note from our index: OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...
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