Former OpenAI CTO's Thinking Machines Releases Open Weights Frontier AI Model

Jul 16, 2026

Thinking Machines, founded by a former OpenAI CTO, has released an open weights AI model with 975 billion parameters. The model is positioned as an alternative to Chinese large language models and is described as a truly open frontier model.

Why it matters: This release represents a notable move toward openness in AI, providing a major frontier model with open weights in contrast to more closed approaches.

Full story at: The Register / AI & ML ↗