tech
Anthropic releases its first Mythos-class model Claude Fable
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TL;DR
- Anthropic announces Claude Fable 5, its most powerful widely available AI model.
- Fable 5 shows exceptional performance in software engineering, knowledge work, and vision.
- It's the first release from Anthropic's Mythos class of AI models.
- New safeguards block responses in specific high-risk areas like cybersecurity and biology.
- When safeguards are triggered, the system falls back to Claude Opus 4.8.
- Claude Mythos 5, an unrestricted version of Fable 5, is available to select organizations via Project Glasswing.
- Pricing for both models is higher than Claude Opus 4.8.