AISlashdotabout 2 hours ago
Anthropic Ships Claude Fable 5.1, Mythos 5.1
1 min read
Anthropic released Claude Fable 5.1 and Mythos 5.1, the same model behind different safeguard layers. Cache reads drop 75% to $0.25 per million tokens. Fable 5.1 scores 52.6% on Terminal-Bench-Science 0.1, roughly double Fable 5's 24.7%.
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