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Thinking Machines Co-Founder Lilian Weng Joins OpenAI

Lilian Weng, a co-founder of Thinking Machines, has departed the company due to health reasons. Following her departure, Weng has joined OpenAI. This move signifies a notable talent shift within the AI industry. AI

IMPACT A key figure from an AI startup has moved to a major AI research lab, potentially impacting talent dynamics.

RANK_REASON This is a report of an individual's employment change, not a core AI development or release.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

Thinking Machines Co-Founder Lilian Weng Joins OpenAI

COVERAGE [3]

  1. TechCrunch AI TIER_1 English(EN) · Amanda Silberling ·

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI

    Weng previously served as the VP of AI Safety Research at OpenAI.

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Lilian Weng, co-founder of Thinking Machines and former VP of AI Safety Research at OpenAI, has left the company citing health reasons and re-joined OpenAI. The

    Lilian Weng, co-founder of Thinking Machines and former VP of AI Safety Research at OpenAI, has left the company citing health reasons and re-joined OpenAI. The high-profile researcher's departure and return highlights the intense competition for top AI safety talent. https:// te…

  3. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI https://techcrunch.com/2026/07/29/thinking-machines-co-found

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI https://techcrunch.com/2026/07/29/thinking-machines-co-founder-lilian-weng-left-the-company-citing-health-reasons-then-joined-openai/ # AI # Startups # OpenSource