Nemotron 3.5 Lightning is free for companies to download, use and modify without getting permission or paying Nvidia.

Ox Alpha, a mysterious AI model, debuted on OpenRouter on Thursday. Its origins are unknown, though some suspect a Chinese ...

Z.ai’s latest AI model release could help companies secure their systems—or find its way into the hands of hackers.

Meta has released a new slimmed down 'open source' AI model that's light enough to run on a single computer.

Chip giant Nvidia introduced Nemotron 3.5 Lightning, a "lightweight" open-source AI model that companies can download, modify and use without paying Nvidia or seeking permission.

Open models dodged the Trump administration's latest effort at regulating AI, but they may not remain outside government ...

Local AI capabilities get a massive boost with these six open-source projects. Easily train models like Deepseek V4 or map ...

Meta Glimmer is a bit smaller than the company's closed-weight Muse Spark models.

Moonshot AI released Kimi K3, a 2.8 trillion-parameter open-source AI model from China that rivals OpenAI, Anthropic and other top U.S. systems in frontier AI benchmarks.

Treasury Secretary Scott Bessent said the Trump administration is looking into whether Chinese open source AI models were built on stolen IP.

The industry's response to the OpenAI incident reveals a growing divide over the future of AI safety.

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 ...