5 outlets·5 reports
OpenAI co-founder Andrej Karpathy joins Anthropic to supercharge Claude’s pre-training with AI

ThinkingNews Desk · how this was written
Andrej Karpathy, a co-founder of OpenAI, has joined Anthropic’s pre-training team to help launch a group focused on using Claude to accelerate pre-training research. The move leverages his experience founding OpenAI and his prior work at Tesla, aiming to “supercharge” Claude’s pre-training capabilities.
Written from all 5 reports below, not from any single one.
How it was reported
- Hacker News·Andrej Karpathy joins Anthropic
- TechCrunch·OpenAI co-founder Andrej Karpathy joins Anthropic’s pre-training team
- TechMeme·Andrej Karpathy joins Anthropic to help launch a team focused on using Claude to accelerate pre-training research; he helped found OpenAI and worked at Tesla (Madison Mills/Axios)
- VentureBeat·OpenAI co-founder Andrej Karpathy announces he's joining Anthropic
- The Next Web·OpenAI co-founder Andrej Karpathy joins Anthropic to supercharge Claude’s pre-training with AI
Related stories
- Anthropic finally beat OpenAI in business AI adoption — but 3 big threats could erase its lead3 outlets
- Anthropic announces Claude Managed Agents, offering developers an agent harness and other infrastructure to help businesses build and deploy AI agents at scale (Maxwell Zeff/Wired)5 outlets
- Analysis: Anthropic may have talked itself into an export ban, as its 2026 official statements and posts used AI risk-related terms 8x more often than OpenAI (Clara Murray/Financial Times)7 outlets
- Anthropic, Blackstone bet the next trillion-dollar AI business is implementation, not models4 outlets