WorkMay 19, 2026via The Decoder
Prominent AI researcher Andrej Karpathy picks Anthropic over former home OpenAI to get back into frontier LLM research
Why it matters
A top-tier AI researcher explicitly rejected a return to OpenAI in favor of Anthropic, signaling where the most ambitious talent sees the frontier moving and suggesting internal dynamics at OpenAI may be pushing out its best researchers.
Key signals
- Andrej Karpathy joining Anthropic as researcher
- Karpathy is former OpenAI core team member and Tesla Autopilot architect
- Chose Anthropic over returning to OpenAI
- Karpathy stated motivation: get back into R&D, pursue frontier LLM research over next few years
- Represents talent exodus/competitive loss for OpenAI
The hook
Andrej Karpathy just chose Anthropic over OpenAI. Here's why that matters for the frontier.
Andrej Karpathy, one of the biggest names in AI, is joining Anthropic. The former OpenAI core team member and Tesla Autopilot architect says he wants to get back into R&D, calling the next few years at the frontier of LLMs "especially formative." That he chose Anthropic over a return to OpenAI is a …