Moonshot AI has released Kimi K3, a model that by early assessments matches Anthropic's Opus 4.8, built by a team of just 300 people. Even OpenAI strategist Dean W. Ball calls it "very good," but, of course, warns that a world dominated by open-weight models would amount to "AI communism." The release is reigniting the debate over how much computing power actually matters and whether U.S. export controls are working.

Moonshot AI released Kimi K3, a 2.8 trillion-parameter open-source AI model from China that rivals OpenAI, Anthropic and other top U.S. systems in frontier AI benchmarks.

Moonshot's Kimi K3 beat Claude Fable 5 and GPT 5.6 in some benchmarks... and it's an open model.

Moonshot AI's Kimi K3 is the largest open-weight model ever released - 2.8 trillion parameters, a million-token memory, benchmark scores within touching distance of GPT-5.6 Sol,…

Chinese start-up Moonshot AI’s new Kimi K3 boasts a performance close to OpenAI and Anthropic’s latest models.