Cursor Returns with Composer 2.5: Openly Built on Kimi, 10× Lower Cost, Musk Endorses
Cursor unveiled Composer 2.5, reporting benchmark scores comparable to Opus 4.7 and GPT‑5.5, a ten‑fold cost reduction, explicit use of Moonshot’s Kimi K2.5 as a base, new RL training techniques, and a partnership with SpaceXAI that multiplies compute power, all highlighted by Elon Musk’s retweet.
