Detailed comparison of capabilities, features, and performance.
| Feature | Kimi K2.5 | Claude Fable 5 |
|---|---|---|
| AI Lab | Moonshot | Anthropic |
| Context Size | 256,000 tokens | 1,000,000 tokens |
| Max Output Size | 32,768 tokens | 128,000 tokens |
| Frontier Model | No | Yes |
| Vision Support | Yes | Yes |
| Description | Kimi K2.5 is Moonshot AI's flagship agentic model and a new SOTA open model. It unifies vision and text, thinking and non-thinking modes, and single-agent and multi-agent execution into one model. Mixture-of-Experts with 1 trillion parameters. | Anthropic's most capable widely released model, with a 1M token context window, 128k max output, and always-on adaptive thinking. |
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