A new Chinese AI model claims to outperform GPT-5 and Sonnet 4.5 – and it’s free

November 8, 2025

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ZDNET’s key takeaways

Moonshot released its new Kimi K2 Thinking model on Thursday.
It claims to outperform GPT-5 and Sonnet 4.5 on some benchmarks.
Open-source AI poses a challenge to proprietary US models.

The global AI arms race stays in constant flux, this time thanks to the arrival of a new model from the up-and-coming Chinese AI lab Moonshot.

Also: Why open source may not survive the rise of generative AI

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