3h agoOpus 4.8 Shows No Proofreading Gains On ErrataBench Over 4.7SentimentSentimentPos0%Neg100%Negative users call Claude Opus 4.8 a downgrade from 4.7 on ErrataBench for catching fewer errors at higher cost and slower speed, while one notes Gemini's stronger results.4 comments with sentiment. View comments.