Detailed comparison of capabilities, features, and performance.
| Feature | o3-mini | Claude 4.5 Opus |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 200,000 tokens | 200,000 tokens |
| Max Output Size | 100,000 tokens | 64,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | No | Yes |
| Description | o3-mini is a fast cost-efficient reasoning model tailored to coding math and science use cases | The latest Opus 4.5 model from Anthropic |
View detailed specifications and capabilities
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