Users report severe hallucinations in Claude Opus 5 web app
madhavsinghal_ · x · 2026-08-26
Users report that the Opus 5 model in the main Claude AI web app is hallucinating heavily on basic questions, frequently replying with corrections like "I got that wrong." While previously considered the best app for deep information diving, the experience is currently described as very rough.
Related event: Claude's August Outages and Quality Degradation Spark Refund Calls(6 posts)→
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