Mixed
Composer 2.5 OTOH will run with whatever it decides I meant and write something that steals productivity, not add to it
subhobroto on Hacker News
In the thread “CursorBench 3.1”, replying to this comment
Helped: Opus 4.8 max stops to ask for clarification and writes tests that expose gaps.
Got in the way: Composer 2.5 hallucinates formulas, writes passing tests for wrong code, and inserts footguns.
… It writes tests that fail, exposing gaps and errors, that then allows me to iterate. Composer 2.5 OTOH will run with whatever it decides I meant and write something that steals productivity, not add to it. Same harness (Cursor), same rules, same prompts, vastly different outcomes! …