Anthropic: removing 'think carefully' prompts cut Opus 5.5 latency from 8.2s to 2.1s
FinanceYF5 · x · 2026-10-29
Claude Opus 5.5 already controls its own thinking depth. Anthropic's tests show that removing 'think deeply before answering' style instructions cut time-to-first-token from 8.2s to 2.1s in chat apps, with no clear quality drop.
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