Theo: switching Opus from xhigh to high reasoning actually works better

andersonbcdefg · x · 2026-11-01

Theo says that on Julius's advice he moved Opus from extra high to high reasoning effort a week ago and it's "better almost all of the time," prompting surprise that anyone actually uses xhigh. A counterintuitive signal for heavy users that max reasoning effort doesn't guarantee better results.

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