China’s Moonshot, Z.AI, and DeepSeek are challenging U.S. AI labs—and beating them on cost

It was, perhaps, the worst-kept secret in the AI community.

In mid-July, online sleuths who obsessively track the internet for signs of new AI models started to whisper about the latest offering from Moonshot AI, the Beijing-based artificial intelligence startup behind the Kimi large language model: Something big was coming.

Moonshot AI’s latest model didn’t just live up to the hype—it raised the stakes.

On July 16, Moonshot debuted Kimi K3, the largest open-source model ever released, and promised it could perform close to the level of Anthropic’s Fable 5—perhaps the most powerful publicly available model on the market today—at a fraction of the cost. Moonshot’s official benchmarks consistently rank K3 among the top three AI models; one independent benchmark from Arena.AI even pegged K3 as the best model currently available, ahead of Anthropic.

The launch was a triumph for the lab and its founder Yang Zhilin, a 34-year-old Tsinghua and Carnegie Mellon alumnus—and Pink Floyd fan—who based his startup’s Chinese name on his favorite album, The Dark Side of the Moon.

But the release also Read Entire Article