Dense Slides: Fun stories from building OpenRouter and where all this is going - Alex Atallah, OpenRouter
Source Video
Fun stories from building OpenRouter and where all this is going - Alex Atallah, OpenRouter
Method
This deck is slide-only. The existing captured video frame set supplies candidate frames, then local OpenCV rejects sponsor/title/speaker-only frames, crops visible slide surfaces, deduplicates, and saves the cropped slide images.
Cropped Visible Slides

- Recreated text/layout view: open HTML recreation
- AI slide classifier:
content_slideconfidence0.98 - Text source: agent_vision.
- OCR decision: ready โ Dense paper screenshot with small multi-column text; OCR will capture details more reliably than manual transcription.
Slide text:
LLaMA: Open and Efficient Foundation Language Models

- Recreated text/layout view: open HTML recreation
- AI slide classifier:
content_slideconfidence0.97 - Text source: agent_vision.
- OCR decision: ready โ Dense paper-style slide with small body text and embedded screenshot/logo elements; OCR is appropriate.
Slide text:
Alpaca: A Strong, Replicable Instruction-Following Model
Hidden Non-Slide Evidence
- `slide-003.jpg` โ
speaker_stageconfidence0.99; Stage photo with speaker and projected slide; not a standalone readable slide.
Classification audit: raw/sources/slide-ai-classification/dense/84Vtz2IL1Ug/audit.json