Anthropic has officially launched Claude Fable 5, a state-of-the-art AI model designed for general use, which outperforms all previous models in various benchmarks, including software engineering and scientific research. To mitigate potential risks associated with its powerful capabilities, the model features robust safeguards that will redirect certain queries to the less capable Claude Opus 4.8. Alongside Fable 5, Anthropic has introduced Claude Mythos 5, designed for a select group of cyberdefenders and infrastructure providers, offering enhanced cybersecurity functionalities. Both models are priced competitively at $10 per million input tokens and $50 per million output tokens. The launch represents a significant step towards making advanced AI technologies widely accessible while prioritizing safety.
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Anthropic Launches Claude Fable 5 and Mythos 5 with Enhanced Safeguards
Anthropic· Anthropic· Thursday, June 11, 2026
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