OpenAI Cofounder Andrej Karpathy Joins Anthropic as Sam Altman’s Fortunes Turn
Andrej Karpathy, a former co-founder of OpenAI, has joined Anthropic to work on its research and development team. His move comes amid a competitive landscape between major AI labs, particularly following the recent upheaval at OpenAI. Karpathy's expertise is expected to enhance Anthropic's capabilities, signaling a shift in talent dynamics within the industry.
- ▪Andrej Karpathy announced his new position at Anthropic on X.
- ▪He previously had a fluctuating relationship with OpenAI, serving as a founding member and research scientist.
- ▪Karpathy's move to Anthropic is seen in the context of competition between AI labs, particularly against OpenAI.
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Story provenance
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| Original publisher | Gizmodo |
| Canonical URL | https://gizmodo.com/openai-cofounder-andrej-karpathy-joins-anthropic-as-sam-altmans-fortunes-turn-2000760674 |
| Publication time | Tue, 19 May 2026 17:30:26 +0000 |
| Retrieval time | 2026-05-19T17:34:57.931Z |
| Last seen | 2026-05-19T17:34:57.931Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | hxJD_CjnLcSO · 4 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Anthropic was founded by OpenAI exiles. It’s adding one more. On Tuesday, former OpenAI co-founder Andrej Karpathy announced on X that he will be joining Anthropic, seemingly to work on the lab’s research and development team. “Personal update: I’ve joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative,” he wrote. “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…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Gizmodo.