Karpathy Three-Tier Coding Stack
Three-layer strategy: Cursor for autocomplete and small edits, Claude Code/Codex for larger functional blocks and prototyping, GPT-5 Pro for hardest bugs. Went from 80% manual to 80% agent coding in one month. Coined 'vibe coding.'
2
Skills
2025-12
Verified
Persona
Skills in this bundle
Claude Code
Anthropic's official agentic coding CLI. Terminal-native, tool-use-driven, with deep file system and shell access. #1 SWE-bench Pro standardized (45.89%), ~4% of GitHub public commits (SemiAnalysis), $2.5B annualized revenue (fastest enterprise SaaS to $1B ARR). 8M+ npm weekly downloads. Opus 4.6 with 1M context.
★ 80K+
Codex CLI
OpenAI's open-source coding agent built in Rust. Terminal-Bench 77.3% (GPT-5.3-Codex), SWE-bench Pro standardized 41.04%. 3-4x more token-efficient than Claude Code, 60-75% cheaper per task. Free with ChatGPT subscription, sandbox-first execution, 619 releases in 10 months.
★ 66K+
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