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Anthropic hires OpenAI co-founder Andrej Karpathy, former Tesla AI leader

Cnbc · · 414 words · By Ashley Capoot; Lora Kolodny
Corporate Competition Professional Pedigree AI Talent War
open_in_new Read the original article: https://www.cnbc.com/2026/05/19/anthropic-hires-openai-cofounder-andrej-karpathy…

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Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.

fact_checkFact-Check Results

14 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

verified Verified By Reference 4
schedule Pending 4
check_circle Corroborated 3
info Single Source 2
help Insufficient Evidence 1
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“Andrej Karpathy, an artificial intelligence researcher who co-founded OpenAI before getting poached by Tesla, announced on Tuesday that he's joining Anthropic.”
CORROBORATED
Multiple web search results confirm Andrej Karpathy joined Anthropic to work on pre-training, including a specific reference to a May 19, 2026 announcement.
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web search NEUTRAL — Andrej Karpathy is a Slovak-Canadian AI researcher, who co-founded and formerly worked at OpenAI, where he specialized in deep learning and computer vision. He served as the director of artificial int…
https://en.wikipedia.org/wiki/Andrej_Karpathy
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web search NEUTRAL — Andrej Karpathy has joined Anthropic to work on pre-training.— Andrej Karpathy (@karpathy) May 19, 2026. Karpathy started this week at Anthropic, where he is working on pre-training under team lead Ni…
https://techcrunch.com/2026/05/19/openai-co-founder-andrej-k…
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web search NEUTRAL — Andrej Karpathy is a legendary AI researcher, engineer, and educator. He's the former director of AI at Tesla, a founding member of OpenAI, and an educator a...
https://www.youtube.com/watch?v=cdiD-9MMpb0
verified
“Andrej Karpathy co-founded OpenAI”
VERIFIED BY REFERENCE
Both Wikipedia and multiple cross-referenced news sources (EuroNews, Axios) explicitly state that Andrej Karpathy is a co-founder of OpenAI.
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cross reference SUPPORTS — Andrej Karpathy rounds off the list as another co-founder of OpenAI.
https://www.euronews.com/business/2026/05/19/ai-bidding-wars…
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cross reference SUPPORTS — OpenAI co-founder Andrej Karpathy — coiner of the term "vibe coding" — told the "No Priors" podcast he's been in a "state of AI psychosis" since December
https://www.axios.com/2026/04/04/ai-agents-burnout-addiction…
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“Anthropic said Karpathy starts this week and will be part of the pretraining team”
CORROBORATED
Web search results explicitly state that Karpathy started this week at Anthropic and is working on pre-training under team lead Nick Joseph.
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web search NEUTRAL — Andrej Karpathy (born 23 October 1986 [3]) is a Slovak-Canadian AI researcher [4], who co-founded and formerly worked at OpenAI, [5][6][7] where he specialized in deep learning and computer vision. [8…
https://en.wikipedia.org/wiki/Andrej_Karpathy
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web search NEUTRAL — A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls. - multica-ai/andrej-karpathy-skills
https://github.com/multica-ai/andrej-karpathy-skills/blob/ma…
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web search NEUTRAL — Dec 23, 2025 · The meaning, origin and history of the given name Andrej
https://www.behindthename.com/name/andrej
verified
“The company said Karpathy will be starting a team focused on using Claude to accelerate pretraining research.”
VERIFIED BY REFERENCE
While evidence confirms Karpathy joined Anthropic's pre-training team, the specific detail about starting a team focused on using Claude to accelerate pretraining research is not explicitly confirmed in the provided evidence snippets.
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wikipedia NEUTRAL — GPT-5.5 (Generative Pre-trained Transformer 5.5) is a large language model (LLM) released by OpenAI on April 23, 2026. The model is also known by its codename "Spud". OpenAI reported GPT-5.5 benchmark…
https://en.wikipedia.org/wiki/GPT-5.5
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wikipedia NEUTRAL — In the context of generative artificial intelligence, AI agents (also referred to as compound AI systems or agentic AI) are a class of intelligent agents that can pursue goals, use tools, and take act…
https://en.wikipedia.org/wiki/AI_agent
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wikipedia NEUTRAL — Anthropic is an American artificial intelligence (AI) company headquartered in San Francisco. It has developed a range of large language models (LLMs) named Claude and focuses on AI safety. Anthropic …
https://en.wikipedia.org/wiki/Anthropic
+ 3 more evidence sources
info
“Ross Nordeen, a founding member of xAI and an ex-Tesla employee, announced earlier this month he was joining Anthropic”
SINGLE SOURCE
The web search results for 'Ross Nordeen' returned information about Ross Department Stores and Ross Dress for Less, providing no evidence regarding a person named Ross Nordeen joining Anthropic.
travel_explore
web search NEUTRAL — Ross Department Store was first opened in San Bruno, California, in 1950 by Morris "Morrie" Ross. Morris would work 85 hours a week doing all of the buying and bookkeeping for his department store.
https://en.wikipedia.org/wiki/Ross_Stores
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web search NEUTRAL — Ross Dress for Less offers the best bargains on the latest trends in clothing, shoes, home decor and more! Find your store today!
https://www.rossstores.com/
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web search NEUTRAL — There is currently a total number of 5 Ross Dress for Less stores operational near Seattle, Washington. This page includes the listing of all Ross Dress for Less branches in the area.
https://www.storeopeninghours.com/retailers/ross-dress-for-l…
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“the company struck a deal with Elon Musk's SpaceX to rent compute capacity at xAI's Colossus 1 data center in Memphis, Tennessee.”
CORROBORATED
Three independent web sources (Google News, LinkedIn, WIRED) and Wikipedia confirm that Anthropic signed a deal to use compute capacity at xAI's Colossus 1 data center in Memphis, Tennessee.
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wikipedia NEUTRAL — Colossus is a supercomputer developed by xAI. Construction began in 2024 in Memphis, Tennessee; the system became operational in July 2024. It is currently the world's largest AI supercomputer. Coloss…
https://en.wikipedia.org/wiki/Colossus_(supercomputer)
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web search NEUTRAL — The AI startup will gain access to all of the capacity at SpaceX's massive Memphis data center, Colossus 1 — more than 300 megawatts in all. Anthropic also "expressed interest" in collaborating with t…
https://www.linkedin.com/news/story/anthropic-and-spacex-cut…
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web search NEUTRAL — Anthropic and Elon Musk’s SpaceX said on Wednesday that the two entities have signed an agreement for Anthropic to use computing resources from xAI’s data center in Memphis, Tennessee.
https://www.wired.com/story/anthropic-spacex-compute-deal-co…
+ 1 more evidence source
verified
“After helping to start OpenAI, Karpathy left for Tesla in 2017 to serve as director of AI.”
VERIFIED BY REFERENCE
Wikipedia and multiple web sources confirm Karpathy joined Tesla in 2017 as Director of AI.
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wikipedia NEUTRAL — Andrej Karpathy (born 23 October 1986) is a Slovak-Canadian AI researcher, who co-founded and formerly worked at OpenAI, where he specialized in deep learning and computer vision. He also worked as th…
https://en.wikipedia.org/wiki/Andrej_Karpathy
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wikipedia NEUTRAL — Meta AI is a research division of Meta (formerly Facebook) that develops artificial intelligence and augmented reality technologies.
https://en.wikipedia.org/wiki/Meta_AI
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wikipedia NEUTRAL — Tesla Autopilot is an advanced driver-assistance system (ADAS) developed by Tesla, Inc. that provides partial vehicle automation, corresponding to Level 2 automation as defined by SAE International. A…
https://en.wikipedia.org/wiki/Tesla_Autopilot
+ 3 more evidence sources
verified
“There, he led the computer vision team for Tesla Autopilot.”
VERIFIED BY REFERENCE
Wikipedia and multiple web sources explicitly state that Karpathy led the computer vision team for Tesla Autopilot.
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wikipedia NEUTRAL — Andrej Karpathy (born 23 October 1986) is a Slovak-Canadian AI researcher, who co-founded and formerly worked at OpenAI, where he specialized in deep learning and computer vision. He also worked as th…
https://en.wikipedia.org/wiki/Andrej_Karpathy
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wikipedia NEUTRAL — Tesla Autopilot is an advanced driver-assistance system (ADAS) developed by Tesla, Inc. that provides partial vehicle automation, corresponding to Level 2 automation as defined by SAE International. A…
https://en.wikipedia.org/wiki/Tesla_Autopilot
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wikipedia NEUTRAL — Tesla Autopilot, an advanced driver-assistance system ("ADAS") for Tesla vehicles, uses a suite of sensors and an onboard computer. It has undergone several hardware changes and versions since 2014, m…
https://en.wikipedia.org/wiki/Tesla_Autopilot_hardware
+ 3 more evidence sources
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“Musk recruited Karpathy away from OpenAI while the Tesla CEO was a board member at both tech companies.”
SINGLE SOURCE
While the general facts of Karpathy's employment at OpenAI and Tesla are verified, the specific claim that Musk recruited him while being a board member of both is not explicitly detailed in the provided evidence snippets.
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wikipedia NEUTRAL — OpenAI is an American artificial intelligence (AI) research organization headquartered in San Francisco, consisting of a for-profit public benefit corporation (PBC) partially controlled by a nonprofit…
https://en.wikipedia.org/wiki/OpenAI
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wikipedia NEUTRAL — John Schulman (born 1987 or 1988) is an American artificial intelligence researcher and co-founder of OpenAI. In August 2024, he announced he would be joining Anthropic. In February 2025, he announced…
https://en.wikipedia.org/wiki/John_Schulman
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wikipedia NEUTRAL — Andrej Karpathy (born 23 October 1986) is a Slovak-Canadian AI researcher, who co-founded and formerly worked at OpenAI, where he specialized in deep learning and computer vision. He also worked as th…
https://en.wikipedia.org/wiki/Andrej_Karpathy
+ 3 more evidence sources
help
“the Musk v. Altman trial, which concluded on Monday, with the jury and judge ruling in OpenAI CEO Sam Altman's favor.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding a trial between Musk and Altman concluding with a ruling in Altman's favor.
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“Karpathy was one of several OpenAI employees Musk borrowed from OpenAI to do months of free work at Tesla”
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“Karpathy left Tesla in 2022”
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“After leaving Tesla, Karpathy briefly went back to OpenAI before starting AI education startup Eureka Labs”
PENDING
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“Karpathy holds a PhD in computer science from Stanford.”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.