Introducing Claude Fable 5

Short summary

Claude Fable 5 is now generally available as Anthropic's most capable Mythos-class model, handling complex multi-day tasks across coding, research, analysis, finance, and law. It combines advanced capabilities with safety safeguards enabling broad distribution without compromise.

• •Claude Fable 5 launched as Anthropic's most capable model with Mythos-class performance
• •Handles complex, multi-day work across coding, research, analysis, finance, and legal domains
• •Maintains safety standards while achieving broad market distribution

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