OpenAI o3 mini: API pricing, providers and specs
OpenAI o3 mini is a text model by OpenAI. 17 providers serve it, from $3.52 to $4.40 /1M; the lowest price is at APIMart.
How OpenAI o3 mini compares
Against the 737 text models on the site priced the same way.
- Pricey for its class: at $3.52 /1M, its lowest price is above 73% of comparable models (median $1.10).
- Its 200K-token context window is larger than 32% of them (median 262K), about 300 pages of text.
- On LMArena's Text board it ranks #70 of the 120 comparable models scored there.
- 17 providers serve it; 86% of comparable models have fewer.
OpenAI o3 mini prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| APIMart | $0.88/1M | $3.52/1M | — | — |
 CometAPI | $0.88/1M | $3.52/1M | $0.44/1M | — |
 Jiekou.AI | $1.04/1M | $4.18/1M | $0.522/1M | — |
| OpenAIOfficial | $1.10/1M | From$4.40/1M | $0.55/1M | — |
| Vercel AI Gateway | $1.10/1M | $4.40/1M | $0.55/1M | 200K |
 NEAR AI Cloud | $1.10/1M | $4.40/1M | $0.55/1M | 200K |
 Helicone | $1.10/1M | From$4.40/1M | $0.55/1M | — |
| AI/ML API | $1.10/1M | $4.40/1M | $0.55/1M | — |
 Impossibl | $1.10/1M | $4.40/1M | $0.55/1M | — |
| OpenRouter | $1.10/1M | From$4.40/1M | $0.55/1M | 200K |
 APIYI | $1.10/1M | $4.40/1M | — | — |
 LaoZhang API | $1.10/1M | $4.40/1M | — | — |
 AIHubMix | $1.10/1M | $4.40/1M | $0.55/1M | 200K |
 Requesty | $1.10/1M | From$4.40/1M | $0.55/1M | 200K |
 Azure | $1.10/1M | From$4.40/1M | $0.55/1M | — |
 FastRouter | $1.10/1M | $4.40/1M | $0.55/1M | 200K |
 DigitalOcean | $1.10/1M | $4.40/1M | $0.55/1M | — |
- APIMart$3.52
- CometAPI$3.52
- Jiekou.AI$4.18
- Vercel AI Gateway$4.40
- NEAR AI Cloud$4.40
- AI/ML API$4.40
- Impossibl$4.40
- APIYI$4.40
- LaoZhang API$4.40
- AIHubMix$4.40
- FastRouter$4.40
- DigitalOcean$4.40
Specs
- Type
- Text
- Maker
- OpenAI
- Inputs
- Text
- Outputs
- Text
- Context
- 200K≈ 300 pages of text
- Max output
- 100K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling
- Released
- Jan 31, 2025
- License
- —
- Open weights
- —
- Arena score
- 1337Text
Alternatives to OpenAI o3 mini
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| OpenAI o3 minithis model | $3.52/1M | 200K | 1337 | 17 |
 Gemini 4 Argon | $8/1M | 1.05M | 1673 | 26 |
| Kimi K3 | $8.28/1M | 1.05M | 1655 | 47 |
 Qwen3.8 2.4T A95B | $4.11/1M | 1M | — | 22 |
| Grok 4.7 | $4.80/1M | 500K | 1637 | 28 |
| Gemini 3 Flash | $2.40/1M | 1.05M | 1466 | 5 |
 Mistral Large 4 | $2.09/1M | 1.05M | 1543 | 13 |
 Muse Spark 1.3 | $4.25/1M | 1.05M | 1657 | 11 |
 GLM-5.2 | $1.80/1M | 1M | 1604 | 44 |
More from OpenAI
OpenAI o3 mini FAQ
APIMart, at $3.52 /1M. 17 providers serve OpenAI o3 mini; the table above lists every one with its price.
OpenAI o3 mini reads up to 200K tokens per request and writes up to 100K.
We have not found OpenAI o3 mini's weights published by its maker.
17 API providers serve OpenAI o3 mini. Compare their prices above, or open a provider to see everything it offers.
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