{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2025-02-02-karpathy-vibe-coding/","md":"https://postcutoff.com/e/2025-02-02-karpathy-vibe-coding/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2025-02-02-karpathy-vibe-coding","date":"2025-02-02","date_precision":"day","short_title":"Andrej Karpathy coins \"vibe coding\"","deck":null,"takeaway":"On Feb 2, 2025 Andrej Karpathy posted on X: 'There's a new kind of coding I call \"vibe coding\", where you fully give in to the vibes, embrace exponentials, and forget that the code even exists.'","category":"culture","category_label":"Culture","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Andrej Karpathy on X: vibe coding","url":"https://x.com/karpathy/status/1886192184808149383","type":"official","group":"primary","domain":"x.com"},{"n":2,"title":"CNN: 'Vibe coding' named Collins Dictionary's Word of the Year (Nov 6, 2025)","url":"https://www.cnn.com/2025/11/06/tech/vibe-coding-collins-word-year-scli-intl","type":"press","group":"press","domain":"cnn.com"}],"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":[],"title":"Andrej Karpathy coins \"vibe coding\"","summary":"On Feb 2, 2025 Andrej Karpathy posted on X: 'There's a new kind of coding I call \"vibe coding\", where you fully give in to the vibes, embrace exponentials, and forget that the code even exists.' He described building projects by talking to Cursor Composer (with Claude Sonnet) and accepting changes without reading diffs. The term spread very quickly and became the name for AI-first, code-unread software development.","key_facts":["Posted Feb 2, 2025 on X by @karpathy","Named tools: Cursor Composer with Sonnet, SuperWhisper for voice","Describes accepting all changes, pasting error messages back without comment, and code growing beyond his comprehension, 'not too bad for throwaway weekend projects'","'Vibe coding' was named Collins Dictionary's Word of the Year for 2025"],"key_numbers":[],"tags":["karpathy","coding","agents","meme","software-engineering"],"science":null,"body_md":"## What happened\n\nA casual post describing a new way to program with LLM agents gave a name to a shift that was already happening, and it became one of the most-used AI terms of 2025.\n\n## Why it matters\n\nIt marks the cultural moment when non-experts and professionals began building software mostly by instructing AI, the trend that coding agents such as Claude Code and Codex then pushed into mainstream engineering.","disputed":[],"related":[{"id":"2025-02-24-claude-3-7-sonnet-claude-code","url":"https://postcutoff.com/e/2025-02-24-claude-3-7-sonnet-claude-code/","date":"2025-02-24","date_precision":"day","short_title":"Claude 3.7 Sonnet (hybrid reasoning) and Claude Code preview","deck":null,"takeaway":"Claude Code became a breakout product and a template for terminal coding agents (Codex CLI, Gemini CLI), shifting software development toward agent delegation.","category":"model-release","category_label":"Model releases","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Anthropic"]},{"id":"2017-11-11-karpathy-software-2-0","url":"https://postcutoff.com/e/2017-11-11-karpathy-software-2-0/","date":"2017-11-11","date_precision":"day","short_title":"Andrej Karpathy's essay \"Software 2.0\"","deck":"Neural networks as a new way to write software","takeaway":"It gave the deep-learning era its best-known software-engineering metaphor, and Karpathy's later talks ('Software 3.0', where natural-language prompts program LLMs) and his 2025 'vibe coding' post build directly on it.","category":"research","category_label":"Research","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Tesla"]}],"people":[{"id":"andrej-karpathy","name":"Andrej Karpathy","url":"https://postcutoff.com/person/andrej-karpathy/"}],"posts":[{"id":"x-karpathy-1886192184808149383","title":"“There's a new kind of coding I call \"vibe coding\", where you fully give in to the vibes…”","url":"https://postcutoff.com/p/x-karpathy-1886192184808149383/"}],"videos":[{"id":"kai-lentit-hyperoptimized-engineer-2026","title":"Hyperoptimized Engineer 2026","url":"https://postcutoff.com/v/kai-lentit-hyperoptimized-engineer-2026/"},{"id":"kai-lentit-shipping-a-button-in-2026","title":"Shipping a button in 2026…","url":"https://postcutoff.com/v/kai-lentit-shipping-a-button-in-2026/"},{"id":"kai-lentit-senior-engineer-tries-vibe-coding","title":"Senior Engineer tries Vibe Coding.","url":"https://postcutoff.com/v/kai-lentit-senior-engineer-tries-vibe-coding/"}],"models":[],"changes":[{"date":"2026-09-29","type":"filed","text":"Created (primary source checked)"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-09-29","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":null}