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OpenAI Founding Member Andrej Karpathy Joins Anthropic to Help Train New AI Models

aiai-sector-impact 56 posts · 51 accounts

Andrej Karpathy said he has joined Anthropic, describing the next few years at the frontier of large language models as especially formative and saying he wanted to get back to research and development. He added that he remains deeply passionate about education and plans to resume that work in time.

Karpathy, a founding member of OpenAI who later worked at Tesla, is joining Anthropic to help train new AI models. Separate reporting said he will join Nick Joseph’s pretraining team and start a group that will use Claude itself for research.

From the sources (25 posts)

@karpathy

Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am very excited to join the team here and get back to R&D. I remain deeply passionate about education and plan to

@claudedevs

Welcome to the team, Andrej!

@inerati

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

@mtslive

SITUATION DETECTED: Andrej @Karpathy has joined Anthropic.

@testingcatalog

Andrej Karpathy has joined Anthropic and getting back to the R&D! > I think the next few years at the frontier of LLMs will be especially formative.

@techmeme

Andrej Karpathy says he has joined Anthropic as the "next few years at the frontier of LLMs will be especially formative" (@karpathy) (Visit Techmeme dot com for the link and full context!)

@jaminball

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

@tradfi

*ANDREJ KARPATHY HAS JOINED ANTHROPIC

@wallstengine

EX-OPENAI RESEARCHER ANDREJ KARPATHY HAS JOINED ANTHROPIC

@deitaone

ANDREJ KARPATHY, COFOUNDER OF OPENAI, JOINS ANTHROPIC: X

@stockmktnewz

Andrej Karpathy just announced that he has joined Anthropic

@fabknowledge

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

@zerohedge

ANDREJ KARPATHY, CO-FOUNDER OF OPENAI, HAS JOINED ANTHROPIC

@polymarket

JUST IN: Andrej Karpathy announces he’s joined Anthropic.

@matthew_sigel

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

@tbpn

BREAKING: @karpathy has joined Anthropic

@stocksavvyshay

Andrej Karpathy announced he is joining Anthropic saying the next few years at the frontier of LLMs will be “especially formative.” This is a major AI talent win given he was a founding member of OpenAI and later led AI at $TSLA where he h

@tftc21

Andrej Karpathy, former OpenAI founding member and Tesla AI director, just joined Anthropic. "I think the next few years at the frontier of LLMs will be especially formative."

@jackclarksf

@karpathy Will be awesome to work together again!

@cointelegraph

🚨 LATEST: OpenAI co-founder Andrej Karpathy is joining Anthropic as AI talent competition heats up.

@_sholtodouglas

@karpathy I'm so excited to work together!!

@robustus

Implies Anthropic has some pretty enticing models, even beyond Mythos

@kalshi

JUST IN: OpenAI co-founder Andrej Karpathy joins Anthropic

@andrew_n_carr

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

@sammcallister

RT @karpathy: Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am…

Preview built on a synthetic news corpus (16 weeks, Apr–Jul 2026). Impact calls are model reads, not price data.

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