anthropic/claude-fable-5Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding.
Scores on standardized evaluations. Higher is better — and rank shows where Claude Fable 5 lands among all models tracked on Model Beat.
Common-sense trick questions
Factual accuracy & hallucination
Novel ML problem-solving
Olympiad-qualifier math
Multi-step agentic tasks
Model & benchmark data from Epoch AI (CC BY); pricing, specs & descriptions from OpenRouter.