o3 Mini
OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning t...
About
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
Details
| Modality | file, text |
| Context Window | 200.0K tokens |
| Release Date | Jan 31, 2025 |
| API Available | Yes |
| Hosting | api |
| Output Speed | 150 tokens/sec |
| Time to First Token | 1800ms |
| Quality Index | 76/100 |
| Coding Index | 71/100 |
| Reasoning Index | 85/100 |
Benchmarks
Resources
Tags
Quick Info
- Organization
- OpenAI
- Pricing
- $1.10/1M input tokens
- Popularity
- 48/100
- Updated
- Feb 20, 2026
Also in AI Models
Claude Opus 4.6
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional...
Claude Sonnet 4.6
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier per...
Gemini 3 Flash
Google DeepMind's latest fast and capable multimodal AI model