OpenAI Halts Its Largest Frontier Training Run, Turning Pacing Rhetoric Into Operational Reality
On July 28, Sam Altman told a podcast audience that OpenAI might need to pace the rate of AI development. Three weeks later, the company did something more concrete than pace. OpenAI has formally paused its largest planned reinforcement learning training run for its next-generation models, codenamed Astra, and halted portions of RL training across…