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Andrej Karpathy Joins Anthropic · history

Version 7

2026-05-25 04:04 UTC · 191 items

What

Andrej Karpathy joined Anthropic's pre-training team on May 19, 2026 [1][2], confirmed by TechCrunch, CNBC, Axios, WSJ, Forbes, Reuters, and Observer [5]. The move lands in the middle of a frontier model race: Anthropic's Claude Mythos Preview has a published system card [27], a 93.9% SWE-bench score [28], and benchmark leadership on 17 of 18 Anthropic-measured evaluations [29], but remains withheld from public release — with cybersecurity experts now pointing to a specific safety threshold, the 'AI Autonomous Offensive Threshold,' as likely driving the restriction [31][32][33]. OpenAI's competing frontier model, codenamed Spud, has emerged as the named rival in coverage comparing the two companies' unreleased models [34][35].

Why it matters

Karpathy's placement at the center of pre-training — not product, safety, or research broadly — signals where Anthropic believes the decisive capability work happens, and his arrival coincides with a frontier-tier model (Mythos) that is powerful enough to trigger a named autonomous offensive security threshold review. The Spud-vs-Mythos framing in press coverage means the race is now legible as a two-horse contest, with Karpathy's hire as one of the most visible talent moves in that competition.

Open questions

  • The Cloud Security Alliance has published a research note specifically naming an 'AI Autonomous Offensive Threshold' in the context of Claude Mythos [31], and SingerLewak's analysis frames the restricted release explicitly around cybersecurity risk [32]. Does this threshold map to a specific ASL level under Anthropic's responsible scaling policy, and is that the formal mechanism blocking public release?

  • OpenAI's Spud model is now named alongside Mythos as a competing 2026 frontier model [34][35]. What are Spud's actual benchmark scores, and has it shipped publicly? Coverage to date is thin on specifics.

  • What specifically will Karpathy contribute within the pre-training team — scaling methodology, data curation, architecture decisions? All credible outlets confirm the team assignment but no scope details have surfaced [2][4][45].

  • Will Eureka Labs continue operating independently? Karpathy has indicated education work is deprioritized near-term [6], the company raised $6.7M in seed funding [16], and a LessWrong community discussion on its future is ongoing [46].

Narrative

On May 19, 2026, Andrej Karpathy posted to Twitter that he had joined Anthropic [1], and coverage from TechCrunch, CNBC, Axios, the Wall Street Journal, Forbes, Reuters, and Observer confirmed the same detail: he joined Anthropic's pre-training team, the group responsible for building Claude from the ground up [2][3][4][5]. His announcement described the current LLM moment as 'especially formative' and acknowledged that his prior AI education work at Eureka Labs would be deprioritized near-term [6]. PYMNTS characterized the hire as part of an 'AI Research Arms Race' [7], while the AI community broadly framed it as a competitive loss for OpenAI and a talent win for Anthropic [8][9][10]. Amplification reached an estimated 3 million views [11] and extended internationally, including Spanish-language social commentary [12] and coverage in Chinese and Japanese press [13][14].

Karpathy's career arc gives the move its weight. He co-founded OpenAI, led AI at Tesla, returned briefly to OpenAI, then departed in early 2024 [15]. He subsequently founded Eureka Labs, an AI-native education company that raised $6.7M in seed funding [16], and spent roughly two years producing public AI education content. In the months before the Anthropic announcement, his intellectual output was substantive across multiple registers: at Sequoia AI Ascent 2026 he argued LLMs are category-creating technologies introducing entirely new application horizons [17]; he articulated a vision of a web where 99.9% of content would be optimized for AI agents rather than human readers [18]; he coined 'Slopacolypse' to describe a coming flood of low-quality AI-generated content [19]; and his 'Software Is Changing (Again)' talk was formally hosted on YouTube [20] and the YC Startup Library [21]. One comment has achieved particular resonance across platforms: Karpathy wrote on Twitter that he has 'never felt this much behind as a programmer' [22], a remark that has since circulated through Reddit [23], Global Nerdy [24], Instagram [25], and YouTube [26], with communities reading it as an admission that even the field's most prominent figures feel disoriented by the pace of change.

The most significant product context for the hire is Claude Mythos. Anthropic published a Claude Mythos Preview system card [27], and coverage confirms benchmark scores of 93.9% on SWE-bench [28] and performance leading 17 of 18 benchmarks Anthropic measured [29]. The model is not yet publicly accessible [30], and the cybersecurity dimension of that restriction has sharpened considerably: the Cloud Security Alliance published a research note specifically addressing Claude Mythos and what it calls the 'AI Autonomous Offensive Threshold' [31] — a named safety concept that appears to describe the level at which an AI model can conduct autonomous offensive cyber operations. SingerLewak published an analysis of what Mythos's restricted release means for cybersecurity specifically [32], and a LinkedIn piece frames the model as rewriting 'the rules of AI cyber risk' [33]. This positions the gap between published benchmarks and public unavailability not as a product delay but as a deliberate safety hold tied to offensive capability concerns. Meanwhile, Forbes framed Mythos alongside OpenAI's 'Spud' as twin 2026 frontier models reshaping the competitive landscape [34], and a dedicated analysis of OpenAI Spud's expected release and 'Mythos-level benchmarks' suggests the two models are being tracked in parallel as leading frontier candidates [35].

Community reaction to the hire has been sustained and internationally distributed, with social amplification continuing into late May [36][12]. Unverified social media claims that Karpathy joined to 'Lead R&D' broadly [37] or to head 'recursive self-improvement' research [38] persist but are contradicted by all credible reporting. Anthropic's institutional communications have also broadened: alongside the Karpathy hire, Anthropic announced the Anthropic Institute's focus areas [39] and a Fellows Program for emerging global AI talent [40], and LinkedIn coverage frames Karpathy's role specifically as 'AI frontier research' [41] — the same institutional framing Anthropic appears to be cultivating around the Institute. The hire arrived in the context of Anthropic's reported $30B fundraise [42][43] and a claimed first profitable quarter [44].

Timeline

  • 2024-02: Karpathy departs OpenAI for the second time [15]
  • 2024-07: Karpathy announces Eureka Labs, an AI-native education company; company raises $6.7M in seed funding [80][81][16]
  • 2026-04: Karpathy presents at Sequoia AI Ascent 2026, arguing LLMs are category-creating technologies and introducing 'menugen' as a new AI application horizon [17][48][82][83][84]
  • 2026-04: Claude Mythos Preview system card published by Anthropic; benchmarks show 93.9% SWE-bench and leadership on 17 of 18 Anthropic-measured evaluations; model not yet publicly released [27][28][29][30][74]
  • 2026-04: Forbes frames Spud (OpenAI) and Mythos (Anthropic) as twin frontier models breaking on the shore of 2026; OpenAI Spud release date and benchmark speculation surfaces in AI press [34][35]
  • 2026-04: Cloud Security Alliance publishes research note on Claude Mythos and the 'AI Autonomous Offensive Threshold'; cybersecurity analysts frame restricted Mythos release around offensive AI risk [31][32][33]
  • 2026-04-2026-05: Karpathy articulates vision of 99.9% AI-optimized web, warns of 'Slopacolypse', and delivers 'Software Is Changing (Again)' talk hosted on YouTube and YC Startup Library [18][49][50][51][68][20][21][19]
  • 2026-05-19: Karpathy officially announces he has joined Anthropic via Twitter [1][6]
  • 2026-05-19: TechCrunch, CNBC, Axios, WSJ, Forbes, Reuters, and Observer confirm Karpathy joins Anthropic's pre-training team specifically; PYMNTS frames it as part of an 'AI Research Arms Race' [2][53][52][54][55][45][5][7]
  • 2026-05-19: AI community reacts; hire framed as competitive win for Anthropic over OpenAI; Rohan Paul surfaces Karpathy's prior foreshadowing comments [8][9][85][47]
  • 2026-05-19-24: Sustained international and social media amplification; announcement reaches ~3M views; Karpathy's 'never felt this much behind as a programmer' comment circulates across Twitter, Reddit, YouTube, Instagram, and developer blogs [11][13][14][22][23][24][25][26][70][12][36][10][59][60][61]
  • 2026: Anthropic Institute focus areas announced; Anthropic Fellows Program for emerging global AI talent publicized [39][40]

Perspectives

Andrej Karpathy

Enthusiastic about joining Anthropic; frames the decision around the historical significance of the current LLM moment; acknowledges intent to eventually return to AI education but is deprioritizing it near-term; pre-hire public framing casts LLMs as category-creating, warns of 'Slopacolypse' AI content quality risks, envisions a web where 99.9% of content is AI-optimized, and — notably — admits to personally 'feeling behind as a programmer' in the current AI-assisted coding environment

Evolution: The 'never felt this much behind as a programmer' comment [22] has achieved broad multi-platform circulation [23][24][25][26], cementing it as a distinct narrative thread about expert disorientation rather than just a passing remark — adding a personally humble texture to his otherwise bullish intellectual stance on AI's transformative potential

[6][1][47][17][48][18][49][50][20][21][51][22][23][24][25][26]

Major tech press (TechCrunch, CNBC, Axios, WSJ, Forbes, Reuters, Observer, PYMNTS)

Confirm the pre-training team assignment; treat the hire as a significant competitive talent signal favoring Anthropic; Observer frames it as a 'Major Talent Win'; PYMNTS contextualizes it within an 'AI Research Arms Race'

Evolution: PYMNTS adds a new framing — 'arms race' — that situates the hire within a broader competitive escalation rather than just a talent transaction [7]

[2][52][53][54][55][45][5][7]

Cybersecurity and AI safety community (Cloud Security Alliance, SingerLewak, LinkedIn security analysts)

Frame Claude Mythos's restricted release as a deliberate safety hold tied to autonomous offensive cyber capabilities; CSA specifically names an 'AI Autonomous Offensive Threshold' as the relevant risk concept; coverage treats cybersecurity as the primary reason Mythos is withheld, not product readiness

Evolution: This is the most substantively new perspective this pass: the cybersecurity community has developed a named conceptual framework — 'AI Autonomous Offensive Threshold' — for why models like Mythos require restricted access, moving the conversation from speculation about ASL levels to a concrete named threshold [31][32][33]

[31][32][33]

AI and developer community (social media, newsletters, developer forums, YouTube)

Broadly frame the hire as a loss for OpenAI and win for Anthropic; developer communities engage seriously with Karpathy's pre-hire intellectual content as substantively important beyond the hire; Karpathy's 'feels behind as a programmer' comment resonates as an authentic reflection of widespread disorientation

Evolution: Community engagement with the 'feels behind as a programmer' comment has matured into a self-contained discussion thread spanning Reddit, YouTube, Global Nerdy, and Instagram — treated as a meaningful statement about programmer identity in the AI era, independent of the hire news cycle [23][24][26]

[8][9][56][57][58][59][60][61][62][20][21][63][64][65][66][11][67][19][68][69][23][24][25][26][70][12][36][10]

Claude Mythos coverage (CSA, SingerLewak, NxCode, Forbes, MindStudio, Reddit r/ClaudeCode, LinkedIn)

Treat Mythos as a concrete, high-performing Anthropic model that leads benchmarks but is withheld from public access due to cybersecurity risk concerns; coverage increasingly frames the restriction as principled safety policy rather than product timing; Forbes positions Mythos as one of two named 2026 frontier models alongside OpenAI's Spud

Evolution: The Spud-vs-Mythos framing [34][35] is new and significant: coverage now treats the frontier model race as a legible two-horse contest between specific named models, giving Karpathy's pre-training placement a clearer competitive context

[27][28][71][29][30][72][73][74][31][32][33][75][34][35]

Unverified social media (Instagram reel, fringe posts)

Variously claim Karpathy joined to 'Lead R&D' [37] or to lead 'recursive self-improvement' research [38] — both contradict confirmed pre-training team reporting

Evolution: No new unverified claims this pass; existing fringe framing persists without corroboration

[37][38]

Anthropic (institutional)

Published Claude Mythos Preview system card and benchmarks; announced Anthropic Institute focus areas and Fellows Program; LinkedIn coverage frames Karpathy's role as 'AI frontier research,' consistent with Anthropic's broader institutional narrative

Evolution: Consistent with prior pass; the LinkedIn framing of Karpathy as doing 'frontier research' [41] aligns with Anthropic Institute messaging [39][40], suggesting a deliberate narrative coherence between the hire and the institute launch

[27][39][40][41][76]

Tensions

  • Confirmed pre-training team role (per TechCrunch, CNBC, Reuters, Observer) vs. unverified social media claims that Karpathy joined to lead 'R&D' broadly [37] or 'recursive self-improvement' research specifically [38] — neither fringe claim has been corroborated by any credible outlet [2][4][45][5][38][37]
  • Competitive 'Anthropic wins the talent war' framing vs. counter-evidence that OpenAI is shipping frontier models (Spud) in parallel [34][35] and releasing multiple specialized models rapidly [77] — reflecting ongoing instability in who is 'winning' the frontier AI race on any given day [8][78][79][56][58][67][34][35][77]
  • Claude Mythos benchmark scores are public (93.9% SWE-bench, leading 17/18 evaluations) [28][29] but the model itself is withheld from public access [30] — cybersecurity experts attribute this to an 'AI Autonomous Offensive Threshold' [31][32], but Anthropic has not officially explained the gap or confirmed any specific safety classification [28][71][29][30][27][31][32][33]

Sources

  1. [1] I’ve joined Anthropic — reactive:karpathy-joins-anthropic (2026-05-19)
  2. [2] OpenAI co-founder Andrej Karpathy joins Anthropic's pre-training team — reactive:karpathy-joins-anthropic
  3. [3] Andrej Karpathy joins Anthropic to accelerate Claude pre-training — reactive:karpathy-joins-anthropic (2026-05-20)
  4. [4] Anthropic hires OpenAI co-founder Andrej Karpathy to lead Claude ... — reactive:karpathy-joins-anthropic
  5. [5] Anthropic Hires OpenAI Co-Founder Andrej Karpathy in Major Talent Win | Observer — reactive:anthropic-partnerships-expansion
  6. [6] Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative.… — Andrej Karpathy Twitter (2026-05-19)
  7. [7] Andrej Karpathy Lands at Anthropic Amid AI Research Arms Race — reactive:openai-corporate-transition
  8. [8] 🔥 Andrej Karpathy Just Joined Anthropic. Here's Why That Terrifies OpenAI — https://t.co/hLHeNklyI4 — reactive:karpathy-joins-anthropic (2026-05-22)
  9. [9] RT @Dovydas44444: OpenAI lost its 11th co-founder. Anthropic gained him. Andrej Karpathy just joined Anthropic this week... — reactive:karpathy-joins-anthropic (2026-05-22)
  10. [10] 🤖 Karpathy joins Anthropic. The biggest talent move of the year just happened. Andrej Karpathy, former Director of AI at... — reactive:karpathy-joins-anthropic (2026-05-24)
  11. [11] 👨‍💻 [Karpathy joins Anthropic] OpenAI co-founder announces: "I've joined Anthropic." Joins pre-training team. 3M views i... — reactive:karpathy-joins-anthropic (2026-05-23)
  12. [12] ¿Karpathy en Anthropic? El fichaje que nadie esperaba revoluciona la IA. Aquí analizan por qué su llegada a Claude cambi... — reactive:karpathy-joins-anthropic (2026-05-24)
  13. [13] # Andrej Karpathy离开OpenAI加入Anthropic：AI人才战打响了 — reactive:karpathy-joins-anthropic (2026-05-23)
  14. [14] 8. Karpathy の Anthropic 加入を「分水嶺」と読む — 中文圏の深掘り解説 — reactive:karpathy-joins-anthropic (2026-05-21)
  15. [15] Hi everyone yes, I left OpenAI yesterday - Hacker News — reactive:karpathy-joins-anthropic
  16. [16] Eureka Labs $6.7M Seed Funding (2026) | Investors & Contacts — reactive:karpathy-joins-anthropic
  17. [17] Fireside chat at Sequoia Ascent 2026 from a ~week ago. Some highlights: — Andrej Karpathy Twitter (2026-04-30)
  18. [18] AI expert Andrej Karpathy envisions a web where 99.9% of content is optimized for AI, not humans — reactive:karpathy-joins-anthropic
  19. [19] Andrej Karpathy says 2026 will be the Slopacolypse. And AI ... - Reddit — reactive:enterprise-ai-coding-battle
  20. [20] Andrej Karpathy: Software Is Changing (Again) - YouTube — reactive:karpathy-joins-anthropic
  21. [21] Andrej Karpathy: Software Is Changing (Again) : YC Startup Library | Y Combinator — reactive:karpathy-joins-anthropic
  22. [22] I've never felt this much behind as a programmer. The profession is ... — reactive:karpathy-joins-anthropic
  23. [23] Andrej Karpathy said he's never felt more behind as a programmer ... — reactive:karpathy-joins-anthropic
  24. [24] Don’t feel bad; even the inventor of the term “vibe coding” is overwhelmed by all the AI-driven changes : Global Nerdy — reactive:karpathy-joins-anthropic
  25. [25] If you write code for a living, be honest: Have you felt a little... lost ... — reactive:karpathy-joins-anthropic
  26. [26] "I've never felt this much behind as a programmer." - Andrej Karpathy — reactive:karpathy-joins-anthropic
  27. [27] [PDF] Claude Mythos Preview System Card - Anthropic — reactive:frontier-ai-cyber-capabilities
  28. [28] Claude Mythos Preview: Anthropic's Most Powerful AI (93.9% SWE-bench) — Why You Can't Use It | NxCode — reactive:karpathy-joins-anthropic
  29. [29] Claude Mythos leads 17 of 18 benchmarks Anthropic measured. Muse Spark put Meta back in the frontier club, and OpenAI's 'Spud' model is reportedly near launch — reactive:karpathy-joins-anthropic
  30. [30] Anthropic just dropped benchmark scores for their unreleased ... — reactive:karpathy-joins-anthropic
  31. [31] Claude Mythos and the AI Autonomous Offensive Threshold — reactive:frontier-ai-cyber-capabilities
  32. [32] Anthropic's Mythos Preview: What the Restricted Release Means for ... — reactive:karpathy-joins-anthropic
  33. [33] Claude Mythos Preview rewrites the rules of AI cyber risk - LinkedIn — reactive:karpathy-joins-anthropic
  34. [34] Spud And Mythos: New Models Break On The Shore Of 2026 - Forbes — reactive:karpathy-joins-anthropic
  35. [35] OpenAI Spud Release Date, GPT-5.5 Benchmarks, and Mythos Rumors - Adam Holter — reactive:karpathy-joins-anthropic
  36. [36] RT @ApollonVisual: Karpathy Joins Anthropic Pretraining Team — reactive:karpathy-joins-anthropic (2026-05-24)
  37. [37] OpenAI Co-Founder Andrej Karpathy Joins Anthropic to Lead R&D. — reactive:anthropic-partnerships-expansion
  38. [38] 🚀 [Karpathy joins Anthropic to lead recursive self-improvement] Ex-OpenAI co-founder and Tesla AI chief will build RSI r... — reactive:karpathy-joins-anthropic (2026-05-21)
  39. [39] Focus areas for The Anthropic Institute — reactive:karpathy-joins-anthropic
  40. [40] Anthropic Fellows Program 2026 Overview • 4-month full-time AI ... — reactive:karpathy-joins-anthropic
  41. [41] Andrej Karpathy joins Anthropic in AI frontier research - LinkedIn — reactive:enterprise-ai-coding-battle
  42. [42] Andrej Karpathy Joins Anthropic & Anthropic Raises $30BN at $900 ... — reactive:karpathy-joins-anthropic
  43. [43] Anthropic's $900B Valuation Reshapes AI... | Metaintro — reactive:karpathy-joins-anthropic
  44. [44] OpenAI IPO filing day. Trump AI EO signing. Anthropic first profitable quarter. Karpathy at Anthropic. DHARA article ton... — reactive:karpathy-joins-anthropic (2026-05-22)
  45. [45] OpenAI co-founder and former Tesla AI executive Karpathy joins ... — reactive:karpathy-joins-anthropic
  46. [46] Opinions on Eureka Labs — LessWrong — reactive:karpathy-joins-anthropic
  47. [47] Andrej Karpathy had already talked about this possibility 1 month back, that he might join one of the big AI labs and wh… — Rohan Paul Twitter (2026-05-19)
  48. [48] Sequoia AI Ascent 2026: Andrej Karpathy - by Guillermo Flor — reactive:agentic-coding-debate
  49. [49] The “Slopacolypse” Is Coming: Why Andrej Karpathy's 80% AI ... — reactive:karpathy-joins-anthropic
  50. [50] AI week in quotes: Andrej Karpathy predicts “slopacolypse” — reactive:karpathy-joins-anthropic
  51. [51] Ex-OpenAI founder claims 99.9% of web content will be AI-optimized — reactive:karpathy-joins-anthropic
  52. [52] Anthropic hires OpenAI cofounder Andrej Karpathy — reactive:karpathy-joins-anthropic (2026-05-20)
  53. [53] OpenAI co-founder Andrej Karpathy joins Anthropic - Axios — reactive:karpathy-joins-anthropic
  54. [54] Andrej Karpathy, Tesla Alum and OpenAI Co-Founder, Joins Anthropic — reactive:karpathy-joins-anthropic
  55. [55] OpenAI Cofounder Andrej Karpathy Joins Rival Anthropic - Forbes — reactive:karpathy-joins-anthropic
  56. [56] The AI Talent War Is Moving Deeper - Exploring ChatGPT — reactive:karpathy-joins-anthropic
  57. [57] Ex-OpenAI Co-Founder Just Joined Anthropic...This is HUGE. — reactive:karpathy-joins-anthropic
  58. [58] "26 Million Jobs GONE!" - Anthropic STEALS OpenAI's Best As AI ... — reactive:karpathy-joins-anthropic
  59. [59] "Software 3.0: LLMs as platforms for human augmentation" | Arjun Basu posted on the topic | LinkedIn — reactive:karpathy-joins-anthropic
  60. [60] Software is Changing (Again) — reactive:karpathy-joins-anthropic
  61. [61] Reacting to Andrej Karpathy's talk, “Software Is Changing (Again)” — reactive:karpathy-joins-anthropic
  62. [62] The Three Types of Programmers in 2026 - Andrej Karpathy — reactive:karpathy-joins-anthropic
  63. [63] Andrej Karpathy: Software Is Changing (Again) - TMPDIR — reactive:karpathy-joins-anthropic
  64. [64] Andrej Karpathy: Software Is Changing (Again) : r/theprimeagen — reactive:karpathy-joins-anthropic
  65. [65] Slashdot — reactive:karpathy-joins-anthropic
  66. [66] Andrej Karpathy joins Anthropic, A players hire A players - LinkedIn — reactive:karpathy-joins-anthropic
  67. [67] @seelffff Karpathy didn’t join Anthropic. Anthropic joined Karpathy. — reactive:karpathy-joins-anthropic (2026-05-22)
  68. [68] Andrej Karpathy is Right: We're Still Writing for Humans When AI is ... — reactive:karpathy-joins-anthropic
  69. [69] Andrej Karpathy Said He Feels Behind as a Programmer, and I Haven’t Stopped Thinking About It — reactive:karpathy-joins-anthropic
  70. [70] Karpathy to Anthropic : r/singularity - Reddit — reactive:karpathy-joins-anthropic
  71. [71] In-depth interpretation of Claude Mythos Preview: 5 core capabilities of Anthropic’s most powerful Large Language Model - Apiyi.com Blog — reactive:karpathy-joins-anthropic
  72. [72] Claude Mythos vs Claude Opus 4.6: How Big Is the Capability Jump? | MindStudio — reactive:karpathy-joins-anthropic
  73. [73] Anthropic Released Mythos Benchmarks Today - Facebook — reactive:karpathy-joins-anthropic
  74. [74] Claude Mythos: Anthropic's April 2026 AI Preview — reactive:karpathy-joins-anthropic
  75. [75] GPT-5.5 vs Claude Mythos: How the AI Race Is Reshaping Marketing – Marketing Agent Blog — reactive:karpathy-joins-anthropic
  76. [76] Why Anthropic made the most strategic hire? - Instagram — reactive:anthropic-partnerships-expansion
  77. [77] OpenAI Just Shipped 3 Specialized Models in 72 Hours — And 2 ... — reactive:karpathy-joins-anthropic
  78. [78] RT @Andr3jH: "Yesterday Karpathy joined Anthropic so it was over for OpenAI and Anthropic was back but today OpenAI solv... — reactive:karpathy-joins-anthropic (2026-05-22)
  79. [79] RT @Andr3jH: "Yesterday Karpathy joined Anthropic so it was over for OpenAI and Anthropic was back but today OpenAI solv... — reactive:karpathy-joins-anthropic (2026-05-22)
  80. [80] Andrej Karpathy is starting Eureka Labs, an "AI Native School" — reactive:karpathy-joins-anthropic
  81. [81] Excited to share that I am starting an AI+Education company called ... — reactive:karpathy-joins-anthropic
  82. [82] Andrej Karpathy and I are back at Sequoia Capital's AI Ascent 2026 ... — reactive:karpathy-joins-anthropic
  83. [83] AI Ascent 2026 | Sequoia Capital — reactive:karpathy-joins-anthropic
  84. [84] AI Ascent 2026 - YouTube — reactive:karpathy-joins-anthropic
  85. [85] @karpathy Congrats to Anthropic. 🚀 — Rohan Paul Twitter (2026-05-19)