Anthropic's Mythos-class flagship for ambitious, long-running professional work.
September 2025 checkpoint of Kimi K2 with improved capabilities.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Fable 5 and Kimi K2 (0905) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Kimi K2 (0905) has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. Kimi K2 (0905): $0.60 input / $2.50 output.
Claude Fable 5 has a larger context window: Claude Fable 5 supports 1M tokens vs Kimi K2 (0905) at 262K tokens.
Claude Fable 5 supports vision/image input, but Kimi K2 (0905) does not.
Key differences: Kimi K2 (0905) is significantly cheaper; only Claude Fable 5 supports vision input; only Claude Fable 5 offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Fable 5 and Kimi K2 (0905) for free on idapt.app to see which performs better for your specific needs.