Leaving OpenAI again, building Eureka Labs, and turning education into a product.

Originally published on Lei Hua's Substack .

Anchors:

2024-02-20 · Let's build the GPT Tokenizer

2024-03-20 · Sequoia AI Ascent · Making AI Accessible · https://www.youtube.com/watch?v=c3b-JASoPi0

2024-06-23 · UC Berkeley AI Hackathon Keynote · https://www.youtube.com/watch?v=tsTeEkzO9xc

2024-09 · No Priors Ep. 80 · https://www.youtube.com/watch?v=hM_h0UA7upI

Epigraph

"I love startups and I love companies, and I want there to be a vibrant ecosystem of them. ... I would say a bit more hesitant about kind of, like, five mega corps kind of like taking over."

— Andrej Karpathy, Sequoia AI Ascent · 2024-03

I. Leaving Again

On February 13, 2024, Karpathy announced he was leaving OpenAI for the second time. The stated reason was simple: "I want to spend more time on my own personal projects." No drama, no conflict statement, no flurry of farewell tweets from colleagues.…