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CLAUDE FABLE 5 BEATS GPT-5.5 ON MATH BY 13 POINTS

Anthropic's Claude Fable 5 achieved 88% accuracy on FrontierMath's hardest problems, outperforming OpenAI's GPT-5.5 at 75%. The gap represents a dramatic acceleration in AI mathematical reasoning capabilities.

2 SOURCESFIRST SEEN JUN 13, 10:16 AM► READ THE ARTICLE
The Decoder+0m

Anthropic's Claude Fable 5 hits 88 percent accuracy on the hardest FrontierMath tier, a massive jump from Opus 4.5, whic…

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