Anthropic releases Claude Opus 5.5: 40% cheaper than Opus 5, finishes 680k-line code migration in a day
petrusenko_max · x · 2026-09-23
Anthropic has released Claude Opus 5.5, priced at $4/$20 per million tokens — roughly 40% cheaper than Opus 5 on typical workloads — with cache reads at $0.20 per million and over 30% faster output.
One tester used it to complete a 680,000-line code migration in under a day, underscoring its coding chops.
Related event: Anthropic Launches Claude Opus 5.5: Smarter, Faster and 40% Cheaper(55 posts)→
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