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Best free Runway alternatives (open source, 2026)

Updated · 20 repos compared

Short answer

The best free Runway alternative for most people is ComfyUI (142k GitHub stars, GPL-3.0 license). agnes-video-generator describes itself as a Runway alternative. All 20 options below are open source and run on your own computer or server, so there's no subscription.

Runway (AI video generation and editing) is a paid, closed-source product. The open-source projects below do the same job and run on your own computer or server.

Top picks

  1. 1. Best for: Best overallComfyUI142k stars · GPL-3.0 · updated today
    Editor's pick

    The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.

    Needs:
    a GPU with 4 GB+, works on Mac (as stated by the project)
    Trade-off
    Better than Runway: the biggest community (142k stars), very active development. Worse: needs a GPU with 4 GB+.
  2. 2. Best for: Closest Runway replacementagnes-video-generator558 stars · MIT · updated today

    Open-source, self-hosted AI video generator — completely free. Text to multi-scene video with narration, subtitles, and digital anchor via Web UI, powered by Agnes AI.

    Needs:
    works on Mac (as stated by the project)
    Trade-off
    Better than Runway: a permissive MIT license, very active development. Worse: a small community, so fewer guides and fixes.
  3. 3. Best for: Also excellentOpen-Sora30k stars · Apache-2.0 · updated 6mo ago
    Editor's pick

    Open-Sora: Democratizing Efficient Video Production for All

    Needs:
    Hardware needs not stated by the project
    Trade-off
    Better than Runway: a permissive Apache-2.0 license. Worse: slower development (last update 6mo ago).
  4. 4. Best for: Best match for the jobLTX-Video11k stars · Apache-2.0 · updated 9mo ago
    Editor's pick

    Official repository for LTX-Video

    Needs:
    Hardware needs not stated by the project
    Trade-off
    Better than Runway: a permissive Apache-2.0 license. Worse: slower development (last update 9mo ago).

Comparison

ToolStarsOpen licenseSelf-hostRuns on MacGPU memoryLast update
RRunwayPaid · cloud only–browsernone–
LTX-VideoEditor's pickOfficial repository for LTX-Video11k?9mo ago
Open-SoraEditor's pickOpen-Sora: Democratizing Efficient Video Production for All30k?6mo ago
ComfyUIEditor's pickThe most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.142k4 GBtoday
agnes-video-generatorRunway alternativeOpen-source, self-hosted AI video generator — completely free. Text to multi-scene video with narration, subtitles, and digital anchor via Web UI, powered by Agnes AI.558?today
Open-Generative-AIUnrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT license31k?1d ago
hypitClone any viral video with AI agents. Not just a script, the whole workflow: swap the face, the words, the B-roll, ship 100 variants in one command, and get your 100M views.25k?3d ago
Pixelle-Video🚀 AI 全自动短视频引擎 | AI Fully Automated Short Video Engine29k?4mo ago
CogVideotext and image to video generation: CogVideoX (2024) and CogVideo (ICLR 2023)13k?11mo ago
OpenCreatorFormerly KrillinAI, VideoTranslation and Dubbing Tool. Open-source AI workspace for creators, powered by Codex. Video downloading, video translation, create videos, images, voice, avatars, and edits w14k?1d ago
SanaSANA: Efficient High-Resolution Image Synthesis with Linear Diffusion Transformer9.4k?2d ago
ConcatThe truly free, open-source, local-first, cross-platform CapCut replacement. Scriptable through a JSON-RPC API & MCP.11k?today
ArcReelAI Agent 驱动的开源可自部署视频工作台：将小说与剧本转为角色、场景、道具资产、分镜、视频和剪映草稿，支持跨镜头一致性、多供应商与费用追踪 | Self-hosted AI video workspace for stories, storyboards and short-form video production5.7k?today
dramaclawA general-purpose AIGC video engine: script to finished film in one pipeline — dramas, ads, product videos, otome games, and more. | 通用 AIGC 视频引擎 —— 从剧本到成片一条流水线，漫剧、广告、电商、乙游皆可6.4k?today
Wan2.2Wan: Open and Advanced Large-Scale Video Generative Models18k?1mo ago
LivePortraitBring portraits to life!19k?4mo ago
Duix-Avatar🚀 Truly open-source AI avatar(digital human) toolkit for offline video generation and digital human cloning.16k?6mo ago
VideoCrafterVideoCrafter2: Overcoming Data Limitations for High-Quality Video Diffusion Models5.1k?9mo ago
HunyuanVideo-1.5HunyuanVideo-1.5: A leading lightweight video generation model4.6k?6mo ago
ViMax"ViMax: Agentic Video Generation (Director, Screenwriter, Producer, and Video Generator All-in-One)"13k?22d ago
MiniMax-MCPOfficial MiniMax Model Context Protocol (MCP) server that enables interaction with powerful Text to Speech, image generation and video generation APIs.1.6k?2mo ago

✓ yes · ✗ no · – not stated by the project. Hardware details may be incomplete.

Runway vs open source: what you give up

  • Setup. Runway is ready as soon as you sign up. These projects need installing, usually with Python, Node or Docker.
  • Hardware. 1 of 20 lists a GPU requirement, starting at 4 GB of GPU memory. 3 mention Mac support.
  • Polish and support. Paid products usually have a smoother interface, managed updates and customer support. Open source gives you privacy, no usage limits and no monthly bill.
  • Maintenance. 10 of 20 were updated in the last 30 days.
  • License. 14 of 20 use a standard open-source license (MIT, Apache, GPL and similar). Check the license before commercial use.

FAQ

Is there a free alternative to Runway?

Yes. We list 20 free, open-source GitHub projects that do the same job as Runway. The most popular are ComfyUI, Open-Generative-AI and Open-Sora.

What is the best open-source Runway alternative?

It depends on your setup. Best overall: ComfyUI. Closest Runway replacement: agnes-video-generator. Also excellent: Open-Sora. Compare GitHub stars, license and hardware needs in the table on this page.

Can I run a Runway alternative on a Mac?

Yes. According to the projects, ComfyUI, agnes-video-generator and Concat run on macOS.

Do I need a GPU to replace Runway?

1 of the 20 lists a GPU requirement, starting at 4 GB of GPU memory.

Are these Runway alternatives really free?

Yes. All 20 are open source on GitHub, and projects that need a paid API key are left out. 14 use a standard open-source license such as MIT, Apache or GPL; check the license before commercial use.

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