Detailed comparison of capabilities, features, and performance.
| Feature | Gemini 3.1 Pro | Claude Fable 5 |
|---|---|---|
| AI Lab | Anthropic | |
| Context Size | 1,048,756 tokens | 1,000,000 tokens |
| Max Output Size | 65,535 tokens | 128,000 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | Gemini 3.1 Pro: Google's most advanced AI model combining breakthrough reasoning depth, native multimodal understanding, and state-of-the-art agentic capabilities to help you learn, build, and plan anything | Anthropic's most capable widely released model, with a 1M token context window, 128k max output, and always-on adaptive thinking. |
View detailed specifications and capabilities
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