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Andrej Karpathy: "Vibe coding is amazing. But Agentic + Opus 5.5 harness engineering is the next level. 99% of my coding routine is automated by AI agents." In this 30-minute talk, Andrej Karpathy breaks down how to build an AI agent workflow from scratch. Worth more than any $500... show more
8 条评论

Thnaks BERT!!

The fact that this started as text is wild.

99% automated still means someone designed the 99%. The skill now is building the harness, not typing the code.

Harness engineering is where most of the gains show up once the model is already strong.

99% 自动化听着爽,剩下那 1% 往往最费脑子

If agents automate most routine coding, the next bottleneck may be deciding what’s worth building and checking whether the system actually did it right. The workflow matters as much as the model.

The 1% didn't get a smarter model. They built a harness that refuses dumb actions. Automation without guardrails is just faster outages.

The 1 percent is the part I want described. If the agents handle the routine, the slice left over is where all the judgement went. That is the bit nobody can hand off yet. Does he get into it in the talk?
