Claude Opus 4.5

0–100 · higher means more positive community experience, not benchmark performance.

Updated 2026-09-05 14:21 UTC · 2026-08-29 – 2026-09-05 UTC

Community scoreCollecting reviews4 comments in 7 days

Community reviews

Selected comments from the last 7 days. The balance of excerpts does not represent the share of positive reviews.

3 selected excerpts

NegativeReasoning2026-09-04

“Your "intuition" about character counts is pattern-matching, not counting. It is unreliable. You MUST execute this procedure step-by-step, writing out each step visibly.”

Hacker Newsen

NegativeReasoning2026-09-01

“I just tested it on something that even Opus 4.5 got wrong”

Redditen

PositiveReasoning2026-08-30

“It wasn't until GPT 5.3 Codex and Opus 4.5 where we started getting outputs like this with little effort.”

Redditen