Why tech giants are starting to restrict their most capable models from the public.

In today’s AI race, breakthroughs are no longer measured in years—or even months—but in weeks. But Z.ai’s lead didn’t last long, either. Just as Anthropic had been undercut by GLM-5’s release, GLM-5 ...

Anthropic's latest AI technology, called Mythos, is so powerful at revealing software vulnerabilities that the company is afraid to release the model publicly lest it fall into the hands of bad actors ...