Ex-Meta Engineer Andrew Tulloch Joins Anthropic

Meta engineer Andrew Tulloch left just 11 months in—two days after Muse launched—to join Anthropic's reasoning and performance team, after stints at OpenAI and Thinking Machines, highlighting fierce AI talent wars.

2026-09-10 ~ 2026-09-11 · 3 related posts

• Andrew Tulloch leaves Meta to join Anthropic — SonglinYang4 · 2026-09-10
• Andrew Tulloch joins Anthropic after stints at Meta, OpenAI, Thinking Machines — kevinroose · 2026-09-11
• Meta's $1.5B AI hire Andrew Tulloch exits after ~11 months, joining Anthropic — 量子位 · 2026-09-11