People walk past the Moonshot booth promoting its Kimi K3 AI model, during the World Artificial Intelligence Conference in Shanghai on Friday. (Image: Reuters)

Moonshot AI has reduced the cyber-offensive capabilities of its newest model, the Chinese startup said on Saturday, as fears grow that increasingly autonomous AI could turbocharge hacking.

Beijing-based Moonshot announced the curbs while introducing Kimi K3.1 Pro, which it describes as its most capable 3-trillion-parameter-class open-weight ⁠model. The ​company plans to publish the model’s weights — files allowing outside developers to run and modify it on their own systems — by November 4.

Moonshot said it removed cyber-related data from the training corpus and reinforcement-learning environments used to develop the model, while retaining general coding ​skills.

“We ​aim not to release open weights that would ⁠extend the absolute frontier of cyber capability,” the company said.

Governments, technology companies and security researchers are…