Anthropic’s Dario Amodei, OpenAI’s Sam Altman and Elon Musk have agreed on an unusual position: frontier AI development may need to slow as systems become capable of helping build their own successors.

Sam Altman, CEO of OpenAI, has expressed a willingness to slow the pace of advanced artificial intelligence development. He hopes for a collaborative effort among leading AI labs…

OpenAI CEO Sam Altman is pushing rival AI labs to slow development after a containment breach and a two-week training pause in mid-2026.

What would it actually look like to "pace the frontier"?