HeyGen · Comfy Cloud
Can I use HeyGen Text to Speech via Comfy Cloud commercially?
Commercial use of HeyGen Text to Speech via Comfy Cloud: Restricted, according to HeyGen's terms as read on 2026-08-31. 6 of 8 usage questions have an answer on record.
Terms as read on 2026-08-31. Route: Comfy Cloud (proxied).
Two sets of terms apply on this route. Comfy Cloud terms govern your contract; HeyGen terms (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.
| Question | Answer | According to | Read on |
|---|---|---|---|
| Commercial use | Restricted Comfy Cloud terms say Yes | HeyGen terms (model provider) heygen.com | 2026-08-31 |
"Paid: HeyGen does not restrict your ability to use User Output for your own purposes (including for commercial purposes) (s3). Free Plan: User Output... may not be sold, sublicensed, redistributed, monetized, or used in connection with commercial activities (s4)." | |||
| Trains on your inputs | Yes Comfy Cloud terms say No | HeyGen terms (model provider) heygen.com | 2026-08-31 |
"You grant us a license to... modify Your Content to operate, improve, promote and provide the Services... including to train or otherwise improve or modify our artificial intelligence and machine learning models (s3)." | |||
| Trains on your prompts | Yes Comfy Cloud terms say No | HeyGen terms (model provider) heygen.com | 2026-08-31 |
"You grant us a license to... modify Your Content... including to train or otherwise improve or modify our artificial intelligence and machine learning models (s3)." | |||
| Provider trains on outputs | not on record | - | - |
| Output ownership | User | Comfy Cloud terms comfy.org | 2026-08-31 |
"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 indemnity | No | Comfy Cloud terms comfy.org | 2026-08-31 |
"Indemnification runs customer to Comfy only; no Comfy-to-customer IP indemnity." | |||
| Synthetic-content marking | Required | HeyGen terms (model provider) heygen.com | 2026-08-31 |
"You must proactively disclose that such User Output was created using artificial intelligence technologies so as not to mislead others (s2)." | |||
| Training data disclosed | not on record | - | - |
Sources
- Comfy Cloud terms https://www.comfy.org/terms-of-service read 2026-08-31
- HeyGen terms (model provider) https://www.heygen.com/terms read 2026-08-31
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Create a free accountThis 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.