Claude Opus 5
3 recommend 3 criticize 3 moved to it 2 moved away
Why hackers recommend it
“I switched from Sol because performance was better with Opus 5.”Gareth321, 2026-08-15original comment ↗
“we moved from opus 4 to opus 5 without changing anything and no specific conflicts.”gojkoa, 2026-07-28original comment ↗
“I switched from 4.8 to 5 yesterday and I'd have to say that I've noticed an improvement, though not hugely perceptible”spottedmarley, 2026-07-25original comment ↗
What hackers criticize
“I swear I've noticed a sustained and consistent degradation in intelligence of Opus 5 since its launch.”Gareth321, 2026-08-15original comment ↗
“I recently caught Opus 5 hallucinating about code it just wrote.”ilitirit, 2026-08-14original comment ↗
“Opus 5 is too verbose.”pmontra, 2026-08-13original comment ↗
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Hackers moved from Claude Opus 5 to
- Claude Opus 5 → Claude Sonnet 5 (1 hacker)
- Claude Opus 5 → Sol (1 hacker)
Hackers moved to Claude Opus 5 from
- Claude Opus 4 → Claude Opus 5 (1 hacker)
- Claude Opus 4.8 → Claude Opus 5 (1 hacker)
- Sol → Claude Opus 5 (1 hacker)
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