ComfyUI Open Source Higgsfield Challenge
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About this hackathon
A two-week open-source rebuild challenge from the ComfyUI team: recreate Higgsfield's most popular creative apps (Genjutsu, Cinema Studio and others) on the Comfy Developer Platform and publish the code so anyone can run or fork it. Online worldwide, with in-person Build Nights in San Francisco (Oct 28) and Los Angeles (Oct 29); submit a working app and a demo video by Oct 30.
- Status
- Deadline
- 2026-10-31
- Starts
- 2026-10-20
- Who
- Open to all (Online and open worldwide; you must build on the Comfy Developer Platform and publish open-licensed code, setup instructions and a demo. Closed-source APIs are banned only in the Open Weights Only category)
- Level
- Intermediate
- Prize
- $12k · $12,000 cash: $10,000 Best Overall + $2,000 LTX track; plus RTX 5090 GPUs and API credits
- Size
- —
- Format
- Online · International
- Location
- San Francisco (online; placed at organizer’s city)
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Original listing (Chinese)
The full original listing below is in Chinese, as published in the Hack123 newsletter.
用Comfy Developer Platform把影像创意工作流做成可运行的开源应用。
看点：线上参赛，无需赴美；提交代码、安装说明与Demo；另有RTX 5090和工具额度奖励
奖金：12000美元现金，含总冠军10000美元及LTX赛道2000美元
截止日期：10月31日00:00（北京时间）
Summarized from the Chinese “Beginner Hackathon Series” newsletter. Eligibility, dates and prizes are subject to the organizer’s official page.