Higgsfield threatens to sue ComfyUI, demanding takedown of open source challenge in 48 hours
crystal_alpine · reddit · 2026-10-30
What Happened
Higgsfield, an AI video tool company, sent ComfyUI a cease and desist letter demanding the "Open Source Higgsfield Challenge" be taken down within 48 hours.
Higgsfield argues the challenge infringes on its trademark by using the Higgsfield name and its CEO's likeness, making the event appear affiliated with the company.
ComfyUI's Response
- ComfyUI says the opposite is true: Higgsfield once promised to open source its product and never did.
- For the past two weeks, the community has been rebuilding popular closed apps as open workflows anyone can run; the challenge asked builders to deliver where Higgsfield failed.
- The challenge explicitly states it is organized by ComfyUI, not affiliated with or endorsed by Higgsfield.
- ComfyUI reiterates its founding promise: the product stays open, free, and community-owned — the challenge stays up.
ComfyUI asks the community to help amplify its response and the challenge.
Related event: Higgsfield Sends Cease-and-Desist to ComfyUI Over Open Source Challenge(5 posts)→
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