diaries/index.md — VidFlow
DIARIES · FROM THE LAB
Notes from the floor.
Engineering posts, creator stories, product updates from the team.
★ FEATURED · ENGINEERING⏱ 9 min · TUE · MAY 12 · 2026
How our 8-stage AI pipeline works
Ten DB states, eight working stages, five UI tiles — the actual handoffs between them, with the vendors that do the work.
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AI · RESEARCH· ⏱ 5 min
Why your first 30 seconds matter
We don't ship a retention model. The hook stage gives you swappable openers — and why that beats predictive scoring.
MAY 08 · 2026TUTORIAL· ⏱ 8 min
The complete guide to visual bibles
Two tables, one approval gate, and the single field that decides whether your scenes look like the same video.
MAY 03 · 2026PRODUCT· ⏱ 6 min
Three voice providers, picked for trade-offs
Three TTS providers wired — ElevenLabs, Inworld, MiniMax. No custom-trained models. When to pick which.
APR 28 · 2026PRODUCT NOTES· ⏱ 5 min
30 videos a month: the actual math
Credits, render time, queue depth — what it costs to scale, with no fictional creator success story.
APR 22 · 2026TUTORIAL· ⏱ 9 min
Prompt engineering for cinematic shots
What our shot planner actually does — semantic beats, style guides, reference images — and where prompts still leak through.
APR 15 · 2026