Chinese AI Firm Moonshot Releases Kimi K2 Model That Outperforms GPT-5 and Claude Sonnet 4.5
Chinese AI firm Moonshot AI releases Kimi K2 Thinking, an open-source reasoning model that outperforms GPT-5 and Claude Sonnet 4.5, achieving record 44.9% on Humanity's Last Exam benchmark and marking a potential turning point as Chinese models now rival leading US systems.