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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

Andrej Karpathy, one of the best-known AI researchers in the world and a founding member of OpenAI, announced Tuesday that he's joining rival AI lab Anthropic.

Axios Madison Mills

Discussion

  • @karpathy Andrej Karpathy on x
    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 resume my work on it in time.
  • @andrewcurran_ Andrew Curran on x
    Karpathy will be forming a new pre-training team focused on Recursive Self Improvement and will be teaching Claude to improve Claude's training, reporting from Axios.
  • @scaling01 @scaling01 on x
    Karpathy joins Anthropic to build RSI and Yann is still yapping about how LLMs are flawed
  • @swyx @swyx on x
    [image]
  • @altryne Alex Volkov on x
    Andrejjjjjjj noooooooo [image]
  • @polynoamial Noam Brown on x
    Andrej @karpathy is back in the game! I would have loved for him to rejoin @OpenAI, but I'm happy he's at any frontier lab pushing the field forward. It's easy to frame this as zero-sum among the labs, but in truth we're collectively advancing the most important tech of our era.
  • @alexeheath Alex Heath on x
    Confirmed that Andrej is joining Nick Joseph's pretraining team at Anthropic and is starting a team that will use Claude itself for research
  • @alexalbert__ Alex Albert on x
    @karpathy Welcome to the team!
  • @sleepinyourhat Sam Bowman on x
    @karpathy Woo, welcome!
  • @yuchenj_uw Yuchen Jin on x
    Andrej joined Anthropic. Even Elon couldn't help but praise Anthropic. Anthropic really aura-farmed Google I/O today. [image]
  • @infoxiao Xiao Ma on x
    @karpathy @_arohan_ omg
  • @elonmusk Elon Musk on x
    @karankendre Anthropic will not be destroyed. Their AI+harness goes far beyond coding and Opus 4.7 is still better than Composer 2.5, albeit a lot more expensive. Cursor is however an important piece of the puzzle to make Grok much better.
  • @nottombrown Tom Brown on x
    @karpathy @sammcallister Excited to get to work with you again, Andrej!
  • @emostaque Emad on x
    As companies approach AGI it would be illogical for most not to go and work there. AGI is a much bigger deal than most people still seem to believe & it is only by most forecasts a few years away (if not arrived already!).
  • @levie Aaron Levie on x
    @karpathy Epic! Once you're inside can we get a video on how to train mythos in under an hour?
  • @teortaxestex @teortaxestex on x
    Unbelievable narrative momentum OpenAI has got to step up their game
  • @natolambert Nathan Lambert on x
    Very happy for Karpathy. Also very lonely times in open science.
  • @_sholtodouglas Sholto Douglas on x
    @karpathy I'm so excited to work together!!
  • @julien_c Julien Chaumond on x
    Time for some open source!!
  • @jackclarksf Jack Clark on x
    @karpathy Will be awesome to work together again!
  • @signulll @signulll on x
    @karpathy this is bigger news than google io!
  • @rasmic Micky on x
    I can't even imagine how fat the cheque was
  • @himanshustwts Himanshu on x
    i am genuinely curious about interview process (if any)
  • @film_girl Christina Warren on x
    huge hire by Anthropic! wow!
  • @avitalbalwit Avital Balwit on x
    Welcome to the team! We're so excited
  • @__nmca__ Nat McAleese on x
    welcome, Andrej
  • @rasbt Sebastian Raschka on x
    @karpathy Congrats on the next thing! Most importantly: have fun with Research & Development. (I will try to keep up with the Reproduce & Debug part :D) Looking forward to learn from your learnings at the frontier.
  • @jbulltard1 @jbulltard1 on x
    I guess this guy didn't see what sam altman did to his co-worker https://x.com/...
  • @katedeyneka Kate Deyneka on x
    Andrej Karpathy has joined Anthropic! Andrej has had a huge influence on my career - my path into deep learning started with his Stanford lectures, and my first viral X post was about one of his videos. A huge win for Anthropic. Congrats, Andrej!
  • @bcherny Boris Cherny on x
    @karpathy Welcome!! So excited we get to work together 👋
  • @inafried Ina Fried on x
    Big move from @karpathy who heads to @AnthropicAI
  • @scobleizer Robert Scoble on x
    @karpathy Huge hire!
  • @amritwt Amrit on x
    Anthropic is now closer to AGI more than ever
  • @yuchenj_uw Yuchen Jin on x
    @karpathy wowow, congrats to Anthropic! looking forward to seeing new videos and cool repos and products you will build there :)
  • @yuchenj_uw Yuchen Jin on x
    Anthropic has claimed the mandate of heaven.
  • @claudedevs @claudedevs on x
    Welcome to the team, Andrej!
  • @bentossell Ben Tossell on x
    hopefully karpathy still releases cool open source stuff and not limited to cc harness 😅
  • @jxnlco Jason on x
    wow they acquired autoresearch
  • @daveshapi David Shapiro on x
    Am I the only one disappointed by this news? I get it. Anthropic is the new superstar, so of course they want top talent. But they're so safety captured, they can't seem to get out of their own way on some issues. I kinda felt like Andrej was better than this. Don't get
  • @scaling01 @scaling01 on x
    Karpathy hasn't said what exactly he's going to work on, but I don't think he's getting into the weeds of optimizers or hardware or whatever I think he's going to work on something higher-level my best guess is auto-research [image]
  • @zck Zak Kukoff on x
    In 5 years the only two jobs left will be Anthropic MTS and a16z New Media
  • Vimox Shah Vimox Shah on linkedin
    This is enormous.  —  Andrej Karpathy is one of the most respected AI researchers on the planet.  —  The fact that he chose Anthropic …
  • Michael Koker Michael Koker on linkedin
    Andrej Karpathy joined Anthropic today.  —  Karpathy was a founding member of OpenAI in 2015.  He left to run Autopilot at Tesla for five years …
  • r/singularity r on reddit
    Andrej Karpathy Joins Anthropic !
  • @ccatalini Christian Catalini on x
    The Force is patient. It does not recruit. It pulls. https://x.com/...