Anthropic’s Claude 5.5 Release: Efficiency Gains and Strategic Consolidation
September 22, 2026
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On September 22, 2026, Anthropic released Claude Opus 5.5, the first model in its new 5.5 family. For builders, the release translates to immediate operational shifts: a 40% reduction in typical workload costs compared to Opus 5 and output speeds increased by
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