
What happened
Karpathy posted on X on October 2, 2026 that understanding LLM output will take far more of our time, and ranked four fixes — prose, diagrams, web pages, video. The post drew over 7.5 million views.
Why it matters
The bottleneck is shifting from writing to understanding, so the request format itself, not the reader's effort, becomes the way to cut the load. The author tested all four and found the video, built last, was unexpectedly good.
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