Chinese artificial intelligence company Moonshot AI has announced the release of its latest model, Kimi K3, claiming it has achieved performance levels comparable to some of the world’s most advanced AI systems.
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Moonshot AI said it plans to make Kimi K3 fully open-source by the end of July, allowing users and developers to download, customize and build applications using the model. The company described K3 as its most powerful open-source coding model so far.
According to Moonshot AI, Kimi K3 contains 2.8 trillion parameters, making it one of the largest open-source large language models available. Parameters are the internal variables that AI systems learn during training, helping them process information and perform complex reasoning tasks.
The company said K3 is designed to operate with limited human supervision, handle long engineering sessions, analyze large software repositories and manage terminal-based tools. These capabilities are aimed at improving AI-assisted programming and software development.
Moonshot AI has claimed that Kimi K3 performs competitively with Anthropic’s advanced AI systems and significantly outperforms several other leading models, including offerings from OpenAI and Anthropic. These claims have attracted attention in Silicon Valley as Chinese AI firms continue challenging the dominance of US companies in advanced artificial intelligence.
The release comes amid growing global competition in AI development, with companies in China and the United States investing heavily in increasingly powerful models. Open-source AI models have gained importance because they allow researchers, businesses and developers to modify technology rather than relying solely on closed commercial platforms.
Industry experts say that if Moonshot AI’s performance claims are independently verified, Kimi K3 could become a major competitor in the AI market and increase pressure on leading AI companies.
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Kimi K3 is currently available through Moonshot AI’s platforms, including Kimi Work, Kimi Code, Kimi API and Kimi.com. The company is expected to begin its wider open-source rollout on July 27.
