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What you can do with Open Montage

OpenMontage is an open-source system that lets an AI coding assistant plan, generate, edit, and render videos from plain-language requests through 12 production pipelines.

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calesthio/OpenMontage on GitHub

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What do you want to do?

5 use cases

  • Build a real-footage documentary montage for free

    Have an agent assemble a real-footage montage from free archives and stock with music and no narration.

    View prompt
    Use the OpenMontage repo at <repo-path> to make a 75-second real-footage montage about <topic> with no narration and an elegiac tone. Read AGENT_GUIDE.md, pick the matching pipeline, and render an MP4. Verify the output with ffprobe that it is about 75 seconds long and has an audio track.

  • Turn a reference Short into a grounded production plan

    Paste a Short you like and get concepts, a tool path, and a cost estimate before generation starts.

    View prompt
    In the OpenMontage repo at <repo-path>, analyze the reference video <video-url-or-path> and produce 2-3 concepts about <topic>, each with a cost estimate at 60 seconds. Verify that each concept lists the tools available in the current environment.

  • Make an animated explainer with no paid API keys

    Generate a narrated animated explainer using free Piper narration and Remotion composition.

    View prompt
    In the OpenMontage repo at <repo-path>, produce a 60-second animated explainer about <topic> using only free tools such as Piper TTS and Remotion. Save the final MP4 and verify with ffprobe that the duration is about 60 seconds.

  • Approve scenes on a live storyboard before rendering

    Review takes, prompts, cost, and quality scores in Backlot before the final render starts.

    View prompt
    In the OpenMontage repo at <repo-path>, start a production for <topic] and open its Backlot board. Stop at the asset approval gate and report the per-asset costs. Verify that no final render has started until approval is given.

  • Add paid video providers to expand generation options

    Add API keys to .env so the agent can use hosted image and video models for higher-end scenes.

    View prompt
    In the OpenMontage repo at <repo-path>, add the provider key for <provider> to .env, then list the provider menu with the registry. Confirm that the provider appears and report the cost per clip before generating anything.

How to use Open Montage

  1. Check you have what it needs: Python 3.10+; FFmpeg installed and on the PATH; Node.js 18+.
  2. Open calesthio/OpenMontage on GitHub and read the README and license.
  3. Install prerequisites: Python 3.10+, FFmpeg, and Node.js 18+.
  4. make setup
  5. Open the Open Montage folder in your AI coding assistant.
  6. Send the request: "Make a 75-second documentary montage about city life in the rain. Use real footage only, no narration, elegiac tone, with music."

These steps come from our top use case, Build a real-footage documentary montage for free, which also has a copy-paste agent prompt.

Open Montage alternatives · Best AI repos for Content

About this repo

Requirements

  • Python 3.10+
  • FFmpeg installed and on the PATH
  • Node.js 18+
  • An AI coding assistant such as Claude Code, Cursor, Copilot, Windsurf, or Codex
  • Optional: API keys in .env for paid or free stock providers
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Questions about Open Montage

What is Open Montage?

OpenMontage is an open-source system that lets an AI coding assistant plan, generate, edit, and render videos from plain-language requests through 12 production pipelines. It is an open-source project on GitHub: https://github.com/calesthio/OpenMontage.

Who is Open Montage for?

Creators, marketers, and developers who want an AI coding assistant to produce finished videos from a written request.

What can I do with Open Montage?

5 use cases so far, for example: Build a real-footage documentary montage for free; Turn a reference Short into a grounded production plan; Make an animated explainer with no paid API keys. Each has steps and a copy-paste agent prompt.

What do I need to run Open Montage?

Python 3.10+; FFmpeg installed and on the PATH; Node.js 18+; An AI coding assistant such as Claude Code, Cursor, Copilot, Windsurf, or Codex.

What are alternatives to Open Montage?

Other hot AI repos in Content: Voice Studio, Anatomy, Comfy UI, Hyperframes, Earshot.

Is Open Montage safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.