Andrej Karpathy

What I learned

Karpathy's "sharp funnel" post has 6.7M views and it's reshaping how people talk about AI adoption

His October 11 X post dusting off an April tweet argues the gap in LLM understanding is "widening," with napkin math putting ~6B people (75% of the population) barely touching LLMs, 1-2B casual free-tier users, ~20M power users, and only 5,000 inside labs running agent swarms (43,733 likes, 5,860 reposts). The framing has now spread well past the original post: The Rundown AI ran its own breakdown October 15 describing how "chatbot users and AI lab insiders see different capabilities, creating a gap in expectations for the public and regulators," while noting Karpathy also pointed to the OpenAI Hugging Face breach as a preview of what's coming. Business Insider and The New Stack both ran with it, and TikTok flattened it into the "only 0.2% of people are using AI to its full potential" cut (@claragig, 92 likes, 1,138 views), with @dripthecup describing it simply as Karpathy having "described the whole world as a funnel."

A 66-line text file crediting Karpathy just hit 223K GitHub stars - and he didn't write it

@inikolov_ai flagged it October 25: "One text file has 223K GitHub stars: four rules for Claude Code, based on Karpathy's post. He didn't write it, and it runs no code." The real origin story is now clearer: per Alphasignal's writeup, the file traces back to a January 26, 2026 X post where Karpathy named specific LLM coding failure modes, and developer Forrest Chang built forrestchang/andrej-karpathy-skills as a direct response, Karpathy himself never touched the repo. The andrej-karpathy-skills repo (Think Before Coding, Simplicity First, Surgical Changes, Goal-Driven Execution) is topping GitHub skill rankings per @nini_incrypto_ at ⭐217.8k and @charliejhills at 222k, and the project has since outgrown its original home, Nic's notes tracks how the canonical version moved to the Multica org as multica-ai/andrej-karpathy-skills, repackaged as a full Claude Code plugin rather than a loose CLAUDE.md drop-in, while the original Chang repo now just 301-redirects there. A parallel fork, swarmclawai/andrej-karpathy-skills, has gone further still, repackaging the same four Karpathy-inspired guidelines for Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Aider, GitHub Copilot, OpenClaw, Warp, Windsurf, and Cline under what it calls the "SwarmVault/SwarmClaw agent matrix." Meanwhile devs keep wiring it straight into their stacks, see dbrckk/ai-dev-server and carry0784/oh-my-code installing the "카파시 규칙" plugin at session start.

Karpathy's October 2 post on LLM output formats spawned a wave of "second brain" repos

On Digg he argued diagrams beat prose and HTML output makes interactive webpages, and that human work is shifting "up the ladder" into oversight and understanding, a line libknowsai riffed on with "your AI employee does the legwork now, your job is checking what it did." @Mr_Buzzoni turned it into "Karpathy sketched the second brain - these 7 open-source repos already built it for Obsidian + Claude Code, 250,000+ GitHub stars between them" (352 likes, 48 reposts), a TikTok from roselynrfbq framed it as "the real truth about Andrej Karpathy's new AI memory system," and a Threads post by hanjmin72881 claimed the personal-knowledge-engine idea has "over 23 million views."

"Code's not even the right verb anymore" - Karpathy's No Priors interview reframes the coding job

On the No Priors podcast he describes expressing his "will to my agents for 16 hours a day" with 10 repos checked out at once, and @hayatomaruu distilled the thesis into "Vibe coding is incredible. But Agentic + Opus 5.5 harness engineering is the next level. 99% of my coding routine is automated by AI agents" (429 likes, 43 reposts). This dovetails with his separate, longer Dwarkesh Patel interview, titled "AGI is still a decade away," where he argues the coming years are "the decade of agents, not the year of agents" because "actually making it work" is the real bottleneck, not any single capability jump. A separate TikTok, "Andrej Karpathy Explains Why" AI's impact takes time, ties this back to that same Dwarkesh interview, arguing economic impact spreads gradually like computers or mobile phones rather than arriving as a sudden break in GDP. His own karpathy/autoresearch repo, AI agents running research on single-GPU nanochat training, sits at 98,589 stars, with active PRs like AgentHub and a Mixture of Experts addon on nanochat.

Karpathy's hiring pitch - "build a Twitter clone for agents, then point 10 Codex agents at it" - went viral on Instagram

A foundedceo reel hit 230,904 views and 9,225 likes with his answer: no whiteboard, hand someone a big project, "make it really good, make it really secure," then use "Codex 5.4 X high to try to break your website." A near-identical cut on entrepreneursonig picked up 13,315 views and 621 likes with the same pitch, and @hyperbolic.ai ran the clip on TikTok (1,077 likes, 39,576 views), pointing "ten Codex agents at maximum reasoning effort" at the deployed site. Some clips bill this as "Andrej Karpathy Launches Advanced" hiring and prompting ideas under the "Software 3.0" banner, the same framing he used when demoing a menu photo overlay in Gemini with no app in between.

The AI talent-war chatter has Karpathy at the center, with conflicting claims about where he actually works

@EthanSDE wrote Anthropic "literally brought Andrej Karpathy out of his retirement/break to work with them" (872 likes), and Axios confirms he joined Anthropic in May 2026, yet @Thetaofzeta still frames him as "former Director of AI at Tesla and OpenAI co-founder" who "recently founded Eureka Labs," slotting him alongside Alexandr Wang and Noam Shazeer in the "reverse acquihire" narrative where Big Tech spends billions absorbing superstar founders. His own site, karpathy.ai, still bills him simply as someone who "likes to train deep neural nets on large datasets" and points to his YouTube channel and blog rather than clarifying any current employer, which only adds to the confusion online. A Threads post from hector.ta.1189 adds a strange footnote: Facebook's "People You May Know" feature surfaced exactly five AI-world names back in May-June, Karpathy, Alexandr Wang, and three others, which the poster reads as evidence of algorithmic cross-pollination among AI elites rather than coincidence. Anthropic's own CEO Dario Amodei keeps surfacing adjacent to the Karpathy discourse too, with an unearthed 2010 Caltech interview on r/singularity describing physicist Tom Tombrello trying to "auction off" Amodei to Elon Musk and Google, and older clips of Amodei protesting the Iraq War as a college student recirculating in the same threads.