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Sources: Moonshot plans to launch Kimi K3, China's largest model to date with 2T-3T parameters, in the coming days; it's expected to outperform Claude Opus 4.8 (Financial Times)
Moonshot AI has released Kimi K3, a 2.8-trillion-parameter model that it describes as the largest open-source AI system to date. The model is positioned as a rival to leading U.S. offerings such as Claude Opus 4.8 and GPT 5.5, and the company plans to make the model weights publicly available by late July.
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