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China’s Moonshot AI releases Kimi K3, the largest open-source model ever, rivaling top U.S. systems
Moonshot AI, the Beijing-based artificial intelligence startup backed by Alibaba, on Thursday released Kimi K3 — a 2.8-trillion-parameter model that the company says is now the largest open-source AI model in the world, and one that…
AI Summary
Moonshot AI, an Alibaba‑backed Beijing startup, unveiled Kimi K3 on Thursday, a 2.8‑trillion‑parameter model it claims is the largest open‑source AI system worldwide. Benchmark tests indicate Kimi K3 performs on par with leading proprietary models from Anthropic and OpenAI. The launch was timed to precede the 2026 World Artificial Intelligence Conference in Shanghai, highlighting a significant escalation in the AI competition. The release also signals a comeback for Moonshot AI after its market share fell over the past 18 months amid DeepSeek’s rapid growth.
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