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Tom’s Guide
Tom’s Guide
Technology
Amanda Caswell

What is Kimi K3? Everything you need to know about the new ChatGPT rival

Kimi K3 on mobile.

If you've spent any time reading AI news over the past week, you've probably seen people talking about Kimi K3.

Developers are calling it one of the biggest AI releases of the year. Some believe it marks China's next major "DeepSeek moment," while others say it's the first open-weight model to seriously challenge flagship versions of ChatGPT and Claude for coding and agentic tasks.

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