AI
Andrew Tulloch is leaving Meta after the Muse launch, Semafor reports

AI researcher Andrew Tulloch is leaving Meta, according to a person briefed on the matter cited by Semafor. The report says he had delayed departing until Meta launched its new models and Muse assistant. His reason for leaving and next destination are unknown, and he could not immediately be reached for comment. The development adds a personnel question to Meta's AI strategy without establishing a failure of the products launched this week.
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What matters
- Tulloch worked in the TBD lab led by Alexandr Wang after joining from Thinking Machines Lab.
- Reports of an extraordinary recruitment package have been disputed; the story does not establish its exact value.
Why this made the edition
Substantive evidence supports this distinct development; selected for reader relevance and importance after comparison with published history.
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