Andrej Karpathy reported on X (formerly Twitter) that he has joined Anthropic.
PartnershipsAndrej KarpathyAnthropic
Andrej Karpathy Announces Joining Anthropic
This article is a translation. Read the Japanese original
Karpathy was previously with OpenAI. He announced this transition on his social media.
Axios reported that he has joined Anthropic.
Source: I’ve joined Anthropic(HN 1431pt・618コメント)(HN Search (backfill)、2026-05-20)