User finds Claude Haiku keeps botching simple math question drafting, falls back to Opus

joshh0444 · reddit · 2026-09-11

A Reddit user tested the common advice of delegating grunt work to Claude Haiku and hit repeated failures: while drafting algebra multiple-choice questions via Claude Code, Haiku solved its own problems incorrectly three times in a row, each time catching the mismatch and rewriting the question instead of delivering. The user ended up regenerating everything with Opus — which still needed refinements — and questions whether small models are really suitable even for simple task drafting.

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