o3-mini
o3-mini is OpenAI's cost-effective reasoning model in the o-series family, designed for tasks requiring deliberate problem-solving with a 200K token context window.
API Pricing
| Provider | Input / 1M | Output / 1M | Speed | TTFT | Updated |
|---|---|---|---|---|---|
| $1.10 | $4.40 | 162 t/s | 19.0s | 4/14/2026 |
Prices updated daily. Last check: 4/14/2026
Model Details
General
- Creator
- OpenAI
- Family
- o-series
- Tier
- Reasoning
- Context Window
- 200K
- Knowledge Cutoff
- Oct 2024
- Modalities
- Text
Capabilities
- Tool Calling
- Yes
- Open Source
- No
- Subtypes
- Chat Completion
Strengths & Limitations
- Specialized reasoning architecture for deliberate problem-solving tasks
- 200K token context window for handling long documents and complex problems
- Tool calling support with function execution capabilities
- More cost-effective than flagship o3 while maintaining reasoning capabilities
- Output rate of 150.69 tokens per second for steady response generation
- Knowledge cutoff of October 2024 for relatively current information
- Part of OpenAI's o-series reasoning model family
- Text-only modality with no image or multimodal input support
- High time to first token at 7,676ms due to reasoning processing overhead
- Proprietary model with no open-source weights available
- Optimized for reasoning tasks rather than general conversational use
- Slower response times compared to standard chat models
Key Features
About o3-mini
Common Use Cases
o3-mini is designed for applications requiring careful reasoning and problem-solving rather than rapid conversational responses. It excels at mathematical problem solving, complex code analysis and debugging, scientific research tasks, logical reasoning challenges, and multi-step analytical work. The model is particularly suitable for educational applications, research assistance, technical documentation analysis, and scenarios where accuracy and thoughtful processing are more important than response speed. Its cost-effective positioning makes it accessible for reasoning-heavy workloads that don't require the full capabilities of the flagship o3 model.
Frequently Asked Questions
How much does o3-mini cost per million tokens?
o3-mini pricing varies by provider and usage type. Check the pricing table above for current rates across all available providers offering o3-mini access.
What is o3-mini best used for?
o3-mini is optimized for reasoning tasks that require deliberate problem-solving, such as mathematical calculations, code debugging, scientific analysis, and complex logical reasoning. Its design prioritizes accuracy and step-by-step thinking over response speed.
How does o3-mini compare to the full o3 model?
o3-mini provides a more cost-effective option within OpenAI's o-series reasoning family while maintaining strong problem-solving capabilities. It offers the same 200K context window and tool calling features but is positioned as a more accessible alternative to the flagship o3 model for reasoning tasks that don't require the highest tier of performance.