Lilian Weng Rejoins OpenAI for Recursive Self-ImprovementCofounder returns after brief departure from Thinking Machines citing startup stress and illness.Jul 29, 2026 · 17 posts
Lilian Weng Resigns from Thinking Machines LabCo-founder announces exit citing health toll from startup demands and highlights key model milestone.Jul 27, 2026 · 42 posts