Anthropic's Opus 5.5 Cuts Agentic Coding Costs 40% While Running 30% Faster

Anthropic's new flagship model matches Fable 5.1 quality on most work while cutting costs 40%, with faster output and stronger alignment scores.

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2026-09-22 16:31 · AlphaSignal
Anthropic's Opus 5.5 Cuts Agentic Coding Costs 40% While Running 30% Faster

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