AI IntelligenceSep 1, 2026AI Intelligence
Article
Anthropic introduced Claude Fable 5.1 and Claude Mythos 5.1, the same model with different safety levels.
Fable is generally available, while Mythos is restricted to trusted access programs. They claim these are the most advanced models for coding and knowledge work, with research capabilities.
Data Cube AI EditorialSource: Hacker News
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Anthropic introduced Claude Fable 5.1 and Claude Mythos 5.1, the same model with different safety levels. Fable is generally available, while Mythos is restricted to trusted access programs. They claim these are the most advanced models for coding and knowledge work, with research capabilities.