Model terms / Black Forest Labs

Black Forest Labs · Comfy Cloud

Can I use flux1-fill-dev via Comfy Cloud commercially?

Commercial use of flux1-fill-dev via Comfy Cloud: Restricted, according to Black Forest Labs's terms as read on 2026-08-31. 7 of 8 usage questions have an answer on record.

Terms as read on 2026-08-31. Route: Comfy Cloud (hosted open_weight).

Two sets of terms apply on this route. Comfy Cloud terms govern your contract; Black Forest Labs licence (model provider) govern what happens to your data. Each answer below says which one it comes from. Where both speak and disagree, the more protective reading is shown and the other is noted.
QuestionAnswerAccording toRead on
Commercial useRestricted
Comfy Cloud terms say Yes
Black Forest Labs licence (model provider) raw.githubusercontent.com2026-08-31
"You may use Output for any purpose (including for commercial purposes), except as expressly prohibited herein (2(d)) - under the FLUX.1 [dev] Non-Commercial License, which licenses the MODEL for non-commercial use only."
Trains on your inputsNo Comfy Cloud terms comfy.org2026-08-31
"Comfy will not use Input or Output to train generative AI or diffusion models. (Limited derived metadata - prompt classifications, workflow structures - may be used to improve the products.)"
Trains on your promptsNo Comfy Cloud terms comfy.org2026-08-31
"Prompts are inside 'Input'; same no-training clause and derived-metadata caveat."
Provider trains on outputsNo Comfy Cloud terms comfy.org2026-08-31
"Comfy will not use Input or Output to train generative AI or diffusion models."
Output ownershipUser Comfy Cloud terms comfy.org2026-08-31
"Customer retains all right, title, and interest in and to any... materials submitted... ('Input'), as well as any... content generated through Customer's use of the Comfy Products... ('Output')."
Copyright indemnityNo Comfy Cloud terms comfy.org2026-08-31
"Indemnification runs customer to Comfy only; no Comfy-to-customer IP indemnity."
Synthetic-content markingRequired Black Forest Labs licence (model provider) raw.githubusercontent.com2026-08-31
"Ensure Output includes disclosure (or other indication) that the Output was generated or modified using artificial intelligence technologies to the extent required under applicable law (2(e)(ii))."
Training data disclosednot on record --

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This page reproduces what the linked documents said on the dates shown. It is a record, not legal advice, and not a warranty of the providers' terms. Documents change; read the source before relying on it.