Andrej Karpathy says he remains at Anthropic, denying departure rumors

Karpathy said on X that he remains at the AI lab, rebutting an unsupported resignation claim prompted by his profile bio.

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Primary source: X

Why it matters

Karpathy’s visibility makes any change to his affiliation a proxy for leadership shifts at Anthropic, a lab that influences the competitive dynamics of the large‑language‑model market.

Illustration of Andrej Karpathy beside the Anthropic name and an X profile icon with question marks, referencing rumors he left the AI lab.

Andrej Karpathy said on X that he remains at Anthropic and that rumors of his departure are false, rebutting speculation that began circulating on July 25th, 2026.

The speculation centered on a 34-tweet thread by am.will (@LLMJunky), which opened by asking whether Karpathy had removed "Anthropic" from his bio or whether the affiliation had never appeared there. A screenshot showed his profile without the affiliation, but it lacked a timestamp establishing that a change had occurred.…

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