Anthropic’s New Claude Opus 5.5 Matches Fable at 60% the Price

DecryptSeptember 22, 2026 · 6:34 PM2 min read

Anthropic's new flagship claims Fable 5.1-level performance at a fraction of the cost—but GPT-6 Astra still beats it on two published benchmarks.

Originally published on Decrypt

Anthropic's new flagship claims Fable 5.1-level performance at a fraction of the cost—but GPT-6 Astra still beats it on two published benchmarks.

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