Open-weight AI companies are the Valley’s hottest acquisition targets

There’s a lot of capital pouring into the business of giving models away.

Open-weight AI models are catching up to the frontier. The safety gap remains. 

A new SaferAI report finds Z.ai’s open-weight GLM-5.2 approaches frontier AI capabilities while lacking key safety mitigations, renewing concerns that powerful open models could outpace governance and safeguards.

OpenAI is scared of open-weight models. Should the US be?

Talk of banning Chinese-made open-weight LLMs reveals the challenge of turning AI into a business.