Introducing Claude Fable 5
Posted on Jun 9, 2026
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This video announces the release of Cloud Fable 5, a new AI model. It highlights the model's capabilities in identifying vulnerabilities and its design to be safe and accessible. The video features individuals explaining the importance of safety in AI development and its potential applications.
Claude Fable 5 is our most capable model yet, now generally available. It’s a Mythos-class model with safeguards that let us share it broadly without compromising on safety. It can stay with complex tasks and hard problems for days, handling ambitious work across coding, research, analysis, finance, law, and beyond. Learn more: https://www.anthropic.com/news/claude-fable-5-mythos-5