FAMILY • 2 MODELS
Anthropic
Every Anthropic model reviewed in the directory.
Browse all model families →Top picks
Fast reasoning model with built-in text watermarking for compliance
Claude Fable 5.1 is Anthropic's Fable-tier creative and reasoning model with integrated text watermarking. Released September 2026 as an update to Claude Fable...
Paid
Best for Fast Reasoning
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Anthropic's most advanced reasoning model for complex multi-step tasks
Claude Mythos 5.1 is Anthropic's flagship Mythos-tier model released September 2026, representing the most advanced reasoning capabilities in the Claude...
Paid
Best for Advanced Research
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All models
| Model | Release date | Pricing | Modalities | Best For | Link |
|---|---|---|---|---|---|
| Claude Fable 5.1 | Sep 4, 2026 | Paid | LLMs | Best for Fast Reasoning | View → |
| Claude Mythos 5.1 | Sep 4, 2026 | Paid | LLMs | Best for Advanced Research | View → |