Cursor's Composer 2.5 matches Opus 4.7 and GPT-5.5 benchmarks at a fraction of the cost

In three linesCursor releases Composer 2.5, a coding model built on Kimi K2.5 and trained on 25x more synthetic tasks than its predecessor. It matches Opus 4.7 and GPT-5.5 benchmark performance at a fraction of the cost.

Summary generated by Claude — human-verified