Detailed comparison of capabilities, features, and performance.
| Feature | GPT-5.6 Sol | Claude 4.6 Sonnet |
|---|---|---|
| AI Lab | OpenAI | Anthropic |
| Context Size | 1,050,000 tokens | 1,000,000 tokens |
| Max Output Size | 128,000 tokens | 16,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | GPT-5.6 Sol is OpenAI's frontier model for the most complex professional work. Features 1.05M context window, 128k output tokens, and reasoning token support. | The latest Sonnet 4.6 model from Anthropic |
View detailed specifications and capabilities
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