Opus 5.5 vision benchmark: beats Fable 5 and GPT-6 Sol, trails GPT-6 Astra

SkalskiP @skalskip92Originally posted 2026.09.24

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Opus 5.5 is the best "vision" model Anthropic ever made better than Fable 5, better than GPT-6 Sol, worse than GPT-6 Astra vs Fable 5.1 (high): - estimated cost: ↓ 60% - detection: ↑ 11.84 pp - reasoning: ↑ 12.80 pp vs GPT-6 Sol (high): - extraction: ↑ 11.00 pp - reasoning: ↑ 7.95 pp ↓ 16 more examples

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