| Feature | o3 | o1 |
|---|---|---|
| AI Lab | OpenAI | OpenAI |
| Context Size | 200,000 tokens | 128,000 tokens |
| Max Output Size | 100,000 tokens | 100,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | No |
| Description | o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday. | o1 is OpenAI's new reasoning model for complex tasks that require broad general knowledge |
View detailed specifications and capabilities
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View model details →Access both o3 and o1 in a single workspace without managing multiple API keys.
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