---
title: Marlin 2B Video Understanding
emoji: 🎬
colorFrom: blue
colorTo: indigo
sdk: gradio
sdk_version: 6.10.0
app_file: app.py
short_description: Dense video captions and timestamp search
python_version: "3.10"
startup_duration_timeout: 1h
models:
  - NemoStation/Marlin-2B
---

# Marlin 2B Video Understanding

ZeroGPU Gradio Server demo for [NemoStation/Marlin-2B](https://huggingface.co/NemoStation/Marlin-2B), a 2B video VLM for dense video captioning and natural-language temporal grounding.

The app exposes two model-card workflows:

- **Caption**: returns Marlin's parsed scene paragraph plus timestamped events.
- **Find**: resolves an event query into a parsed start/end time span.

The model is loaded once at module startup. Inference runs through Gradio Server `@app.api` endpoints backed by ZeroGPU, and the custom frontend turns timestamped results into a synced video timeline.