Opus 5.5 is slow and token-hungry: users compare against Opus 4.8
origfla · reddit · 2026-10-18
A Reddit user reports that Claude Opus 5.5, despite excellent output quality, takes noticeably longer on nearly every task and burns far more tokens because it pre-thinks almost everything. Opus 4.8 thought only when needed and responded faster. The poster runs 5.5 at medium/high reasoning and asks whether others see the same and have workarounds.
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