Anthropic's Mythos-class flagship for ambitious, long-running professional work.
NousResearch's large model based on Llama 3.1 405B.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Fable 5 and Hermes 3 405B 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.
Hermes 3 405B has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. Hermes 3 405B: $1.00 input / $1.00 output.
Claude Fable 5 has a larger context window: Claude Fable 5 supports 1M tokens vs Hermes 3 405B at 131K tokens.
Claude Fable 5 supports vision/image input, but Hermes 3 405B does not.
Key differences: Hermes 3 405B 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 Hermes 3 405B for free on idapt.app to see which performs better for your specific needs.