Andrej Karpathy leaves OpenAI to join Anthropic
Andrej Karpathy, a co-founder of OpenAI, has departed the company to join Anthropic. He will be integrated into Anthropic's pre-training team.
What happened?
Andrej Karpathy, one of the original co-founders of OpenAI, has changed roles. He has chosen to join competitor Anthropic, where he will be part of the company's pre-training team. This move signifies the transfer of a prominent figure in AI research between two of the leading entities in generative AI.
Key facts
| Före detta arbetsgivare | OpenAI |
|---|---|
| Ny arbetsgivare | Anthropic |
| Nyckelroll | Pre-training-teamet |
| Datum för skifte | 19 maj 2026 |
”Pre-training is responsible for the large-scale training runs that give Claude its core knowledge and capabilities, accordingades to the company. It's also one of the most expensive, compute-intensive phases of building a frontier model.”
Why it matters
Karpathy's role within the pre-training team is significant, as this phase is essential for developing the underlying knowledge and capabilities of AI models. Pre-training is also one of the most capital-intensive and computationally demanding processes in the development of advanced AI. This transition could strengthen Anthropic's position in the fierce competition to develop next-generation AI.
Who is affected?
This primarily affects OpenAI and Anthropic as a key individual moves between them. Developers and researchers within the generative AI field may also be affected, as Karpathy's work could lead to new advancements impacting the entire sector. Users of AI models such as Claude may eventually see the benefits in future updates.
What else you should know
Andrej Karpathy is renowned for his work in deep learning and previously held a prominent role at Tesla before returning to OpenAI in 2023.
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