Scraping YouTube transcripts at scale for RAG (and the 3 things that break it)
This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.
If you are building a RAG or agent pipeline over video, the transcript is the payload. Titles and descriptions are thin; a 40-minute talk is thousands of tokens of dense, quotable prose. The good news is that YouTube already exposes that prose as captions. The bad news is that pulling captions for…
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- 2026-09-28 07:23 · DEV Community — AI
Scraping YouTube transcripts at scale for RAG (and the 3 things that break it)