The newsletter identifies him only as ‘OpenAI’s Noam Brown’ when it records his response to Karpathy joining Anthropic; his own post says he would have loved for Karpathy to rejoin OpenAI. The role is what gives the remark its weight: a researcher inside the rival lab describing the frontier labs as one effort.
Role
Noam Brown, researcher at OpenAI
The affiliation under which the newsletter quotes him, as 'OpenAI's Noam Brown', reframing a rival lab's hire as a collective advance; neither the newsletter nor his own post states a title.
Sources
Attribution and reporting linked by this record; links do not imply independent verification.
- Welcome to May 20, 2026 (theinnermostloop.substack.com)
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