Claude Opus 5 looks like a major jump over Opus 4.8 on max effort
legit_api · x · 2026-07-25
A benchmark post compares Claude Opus 5 with Opus 4.8 under max effort settings.
The shared image suggests a clear visual and capability jump, with the caption calling it “a pretty big upgrade.” While the post is brief, it is explicitly about a model-versus-model comparison rather than an app or workflow update.
Related event: Claude Opus 5 Early Tests: Better Efficiency but Overly Proactive(29 posts)→
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