{"generated_at":"2026-11-12T18:49:07.073Z","source":{"name":"Hacker News public API","url":"https://github.com/HackerNews/API","attribution":"Stories and comments are public Hacker News submissions by their respective authors. HackerHub is an independent reader, not affiliated with Y Combinator.","content_is_untrusted":true},"story":{"id":50419019,"type":"story","title":"Tell HN: A flood of reports of Opus 5.5 being nerfed","url":null,"hn_url":"https://news.ycombinator.com/item?id=50419019","hackerhub_url":"https://hackerhub.site/stories/50419019","author":"b--l","points":31,"comments_count":17,"created_at":"2026-11-08T23:49:19.000Z","average_comments_per_hour":0.18681998840662478,"heat":null,"text":"Here are several user reports of Opus 5.5 being nerfed:\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr4urz/opus_55_in_the_past_two_weeks/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr9x5y/the_nerf_is_real_thank_you_uwum1ha1nho/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xqvqip/anthropic_should_offer_a_free_reset_and_restore/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr0nz5/either_a_lawsuit_an_apology_or_never_touching/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xl72og/opus_56_imminently_about_to_release/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xqtslm/rant_anthropic_stop_silently_degrading_models/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr8jod/opus_high_55_nerfed/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xqujuh/opus_55_started_coming_up_with_unintelligible/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xqfp7m/opus_55_xhigh_just_deleted_all_my_apps_data/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr488d/weve_been_nerfed/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr6r3t/has_claude_been_made_dumber_again/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xr8aic/fable_opus_55_noticeable_performance_regression/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xrc97q/claude_again_ignoring_all_hooks_first_time_since/\nhttps://www.reddit.com/r/ClaudeCode/comments/1xphsj9/opus_55_is_trying_to_destroy_my_codebase_recently/\nThese are all within the last week.\nI have noticed the same thing myself. I am going to pause Opus 5.5 use. I find it really scummy business practice. We trust them that what is behind the string \"opus-5-5\" is consistent and what we signed up for. Of course behind the scenes they can do whatever they like and serve whatever model they like under that string. It is a scummy and deceptive business practice though."},"heat_definition":"Average comments per hour since posting, using a minimum age of 30 minutes. A single story has no relative colour rank."}