Claude Fable 5.2 tops the Vals Index at 71.31% while costing less than Opus 5.5 and GPT-6 Astra, with a surprising twist on reasoning effort.
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Anthropic's Claude Fable 5.2 Tops 36 Models but Max Reasoning Backfires
Claude Fable 5.2 tops the Vals Index at 71.31% while costing less than Opus 5.5 and GPT-6 Astra, with a surprising twist on reasoning effort.
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