Models & tools · 22 Sep 2026 · 14:00 CEST
Anthropic introduces Claude Opus 5.5
Story brief · OZZZER analysis pending editorial review.
Anthropic says its new Opus model performs at the level of Claude Fable 5.1 on most work and costs 40% less to run than Opus 5 on typical workloads.
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Anthropic · 22 Sep 2026 · 14:00 CEST
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