Anthropic's upgraded Mythos-class flagship, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work.
Fast variant of Qwen3 Coder for speed-prioritized coding tasks.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Fable 5.1 and Qwen3 Coder Flash 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.
Qwen3 Coder Flash has a lower blended cost. Claude Fable 5.1: $10.00 input / $50.00 output. Qwen3 Coder Flash: $0.20 input / $0.97 output.
Claude Fable 5.1 has a larger context window: Claude Fable 5.1 supports 1M tokens vs Qwen3 Coder Flash at 1M tokens.
Claude Fable 5.1 supports vision/image input, but Qwen3 Coder Flash does not.
Key differences: Qwen3 Coder Flash is significantly cheaper; only Claude Fable 5.1 supports vision input; only Claude Fable 5.1 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 5.1 and Qwen3 Coder Flash for free on idapt.app to see which performs better for your specific needs.