Anthropic's Mythos-class flagship for ambitious, long-running professional work.
High-speed thinking model for agentic workflows and coding.
No shared demos for these models yet.
No captured outputs for these models yet.
Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 82.4). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Gemini 3 Flash has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. Gemini 3 Flash: $0.50 input / $3.00 output.
Gemini 3 Flash has a larger context window: Claude Fable 5 supports 1M tokens vs Gemini 3 Flash at 1M tokens.
Yes, both Claude Fable 5 and Gemini 3 Flash support vision/image input.
Key differences: Claude Fable 5 has a notably higher capability index (9.2 point gap); Gemini 3 Flash is significantly cheaper. 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 Gemini 3 Flash for free on idapt.app to see which performs better for your specific needs.