---
title: "OpenMontage"
type: "tool"
slug: "calesthio-openmontage"
canonical_url: "https://www.graphcanon.com/tools/calesthio-openmontage"
github_url: "https://github.com/calesthio/OpenMontage"
homepage_url: "https://github.com/calesthio/OpenMontage"
stars: 34897
forks: 4003
primary_language: "Python"
license: "AGPL-3.0"
categories: ["ai-agents", "model-training", "data-retrieval"]
tags: ["ffmpeg", "flux", "copilot", "agentic-ai", "claude", "elevenlabs", "cursor", "agent"]
updated_at: "2026-07-07T18:20:18.252767+00:00"
---

# OpenMontage

> World's first open-source, agentic video production system.

OpenMontage is a Python-based tool that transforms an AI coding assistant into a full-fledged video production studio, enabling the creation of real videos from free stock footage and motion clips.

## Facts

- Repository: https://github.com/calesthio/OpenMontage
- Homepage: https://github.com/calesthio/OpenMontage
- Stars: 34,897 · Forks: 4,003 · Open issues: 139 · Watchers: 168
- Primary language: Python
- License: AGPL-3.0
- Last pushed: 2026-07-07T05:49:53+00:00

## Categories

- [AI Agents](/categories/ai-agents.md)
- [Model Training](/categories/model-training.md)
- [Data & Retrieval](/categories/data-retrieval.md)

## Tags

ffmpeg, flux, copilot, agentic-ai, claude, elevenlabs, cursor, agent

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## README (excerpt)

```text
<p align="center">
  <img src="assets/logo.png" alt="OpenMontage" width="200">
</p>

<h1 align="center">OpenMontage</h1>

<p align="center"><strong>The first open-source, agentic video production system.</strong></p>

<p align="center">
  <a href="#start-from-a-video-you-already-love">Paste A Video</a> &nbsp;·&nbsp;
  <a href="#quick-start">Quick Start</a> &nbsp;·&nbsp;
  <a href="#try-these-prompts">Try These Prompts</a> &nbsp;·&nbsp;
  <a href="#pipelines">Pipelines</a> &nbsp;·&nbsp;
  <a href="#how-it-works">How It Works</a> &nbsp;·&nbsp;
  <a href="docs/PROVIDERS.md">Providers</a> &nbsp;·&nbsp;
  <a href="docs/PR_REVIEW_GUIDE.md">Review Guide</a> &nbsp;·&nbsp;
  <a href="AGENT_GUIDE.md">Agent Guide</a>
</p>

<p align="center">
  <a href="LICENSE"><img src="https://img.shields.io/badge/license-AGPLv3-blue.svg" alt="License"></a>
</p>

<p align="center">
  <a href="https://github.com/trending">
    <picture>
      <source media="(prefers-color-scheme: dark)" srcset=".github/assets/repo-of-the-day-dark.svg">
      <img alt="🏆 #1 Repository of the Day on GitHub Trending" src=".github/assets/repo-of-the-day-light.svg" height="60">
    </picture>
  </a>
</p>

<p align="center"><strong>Follow The Build</strong></p>

<p align="center">
  <a href="https://www.youtube.com/@OpenMontage"><img src="https://img.shields.io/badge/YouTube-%40OpenMontage-FF0000?style=for-the-badge&logo=youtube&logoColor=white" alt="YouTube"></a>
  <a href="https://x.com/calesthioailabs"><img src="https://img.shields.io/badge/X-%40calesthioailabs-111111?style=for-the-badge&logo=x&logoColor=white" alt="X"></a>
  <a href="https://github.com/calesthio/OpenMontage/discussions"><img src="https://img.shields.io/badge/Community-GitHub%20Discussions-0b1220?style=for-the-badge&logo=github&logoColor=white" alt="GitHub Discussions"></a>
</p>

---

Turn your AI coding assistant into a full video production studio. Describe what you want in plain language — your agent handles research, scripting, asset generation, editing, and final composition.

**Important distinction:** OpenMontage can make image-based videos, but it can also make a real **video video** for free/open-source workflows: the agent builds a corpus from free stock footage and open archives, retrieves actual motion clips, edits them into a timeline, and renders a finished piece. That is not the usual "animate a handful of stills and call it video" trick.

<div align="center">
  <video src="https://github.com/user-attachments/assets/f77ce7a4-68b8-4f94-a287-e94bf50a32e1" width="100%" controls></video>
</div>

> **"SIGNAL FROM TOMORROW"** — a cinematic sci-fi trailer fully produced through OpenMontage: concept, script, scene plan, Veo-generated motion clips, soundtrack, and Remotion composition.

<div align="center">
  <video src="https://github.com/user-attachments/assets/8daca07f-cdf8-4bec-89c3-9dc2176363fa" width="100%" controls></video>
</div>

> **"THE LAST BANANA"** — a 60-second Pixar-style animated short about a lonely banana who finds friendship with a kiwi. 6 Kling v3-generated motion clips (via fal.ai), Google Chirp3-HD narration, royalty-free piano music, TikTok-style word-level captions, and Remotion composition. Total cost: **$1.33**.

<div align="center">
  <video src="https://github.com/user-attachments/assets/e03b5d1f-1199-4093-9f31-a43aa9da2c68" width="100%" controls></video>
</div>

> **"The Library at Alexandria"** — a 70-second history elegy on what humanity lost in a single night. Five hand-authored scenes — an illuminated manuscript page, cascading scroll-tags, a Burning Counter ticking 700,000 → 0 inside a candle's flame, a charred vellum fragment with surviving Greek, and an empty void — set to OpenAI 'ash' narration and a free Pixabay strings score. Total cost: **$0.02**. Built through OpenMontage's atelier (bespoke) composition mode — every scene crafted from scratch, no shared components.

<div align="center">
  <video src="https://github.com/user-attachments/assets/8a6d2cc3-7ad2-4
```

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/calesthio-openmontage`](/api/graphcanon/tools/calesthio-openmontage)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_