Model terms / ByteDance / ByteDance Seedream 4.5 & 5.0
ByteDance · Comfy Cloud
Can I use ByteDance Seedream 4.5 & 5.0 via Comfy Cloud commercially?
Restricted, not offered in US, with conditions
Commercial use of ByteDance Seedream 4.5 & 5.0 via Comfy Cloud: Restricted, not offered in US, with conditions, according to ByteDance's terms as read on 2026-09-23. 9 of 10 usage questions have an answer on record.
Terms as read on 2026-10-05. Route: Comfy Cloud (proxied).
Two sets of terms apply on this route. Comfy Cloud terms govern your contract; ByteDance 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 Own use only Stricter of the two shown. Comfy Cloud terms say Yes | ByteDance terms (model provider) docs.byteplus.com | 2026-09-23 |
"Service Specific Terms s4.2.3 (Video Generation, 2026-09-30): you may not 'resell or re-integrate the APIs into UGC platforms, including AI content creation tools. If you operate an aggregation platform, end users may only generate video content for their own use'; nor 'resell the APIs without our written authorization'. The platform is liable for its end users (s4.2.2); unauthorised resale costs 20% of the minimum commitment (s4.2.4). Client / agency deliverables through a channel are UNCLEAR (asked). Model Services s2(1): not available in the United States - whether channels serve US end users under a separate arrangement is unconfirmed. Ownership: you own the Output as between you and BytePlus (General Terms for AI Services s2.1)." | |||
| Where outputs may be used | Restricted not offered in US | ByteDance terms (model provider) docs.byteplus.com | 2026-09-23 |
"Service Specific Terms s4.2.3 (Video Generation, 2026-09-30): you may not 'resell or re-integrate the APIs into UGC platforms, including AI content creation tools. If you operate an aggregation platform, end users may only generate video content for their own use'; nor 'resell the APIs without our written authorization'. The platform is liable for its end users (s4.2.2); unauthorised resale costs 20% of the minimum commitment (s4.2.4). Client / agency deliverables through a channel are UNCLEAR (asked). Model Services s2(1): not available in the United States - whether channels serve US end users under a separate arrangement is unconfirmed. Ownership: you own the Output as between you and BytePlus (General Terms for AI Services s2.1)." | |||
| Trains on your inputs | No | ByteDance terms (model provider) docs.byteplus.com | 2026-08-31 |
"Service Specific Terms, ModelArk s4 (2026-09-30): 'Unless you separately opt in, BytePlus will not use your data to train models.' General Terms for AI Services s3.3 (2026-08-28): 'Except for feedback that you voluntarily provide for service improvement, or where you otherwise separately consent or agree in writing, BytePlus will not use your Customer Data to train the foundation models underlying the AI Services.' Video terms: the Video Generation Model Services will not use the prompts and other input you submit, or the output generated, to train the base models unless you separately provide consent." | |||
| Trains on your prompts | No | ByteDance terms (model provider) docs.byteplus.com | 2026-08-31 |
"Prompts are the defined Input. Service Specific Terms, ModelArk s4 (2026-09-30): 'Unless you separately opt in, BytePlus will not use your data to train models.' General Terms for AI Services s3.3 (2026-08-28): 'Except for feedback that you voluntarily provide for service improvement, or where you otherwise separately consent or agree in writing, BytePlus will not use your Customer Data to train the foundation models underlying the AI Services.' Video terms: the Video Generation Model Services will not use the prompts and other input you submit, or the output generated, to train the base models unless you separately provide consent." | |||
| Trains on your outputs | No | ByteDance terms (model provider) docs.byteplus.com | 2026-08-31 |
"Output named explicitly in the Video terms. Service Specific Terms, ModelArk s4 (2026-09-30): 'Unless you separately opt in, BytePlus will not use your data to train models.' General Terms for AI Services s3.3 (2026-08-28): 'Except for feedback that you voluntarily provide for service improvement, or where you otherwise separately consent or agree in writing, BytePlus will not use your Customer Data to train the foundation models underlying the AI Services.' Video terms: the Video Generation Model Services will not use the prompts and other input you submit, or the output generated, to train the base models unless you separately provide consent." | |||
| 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 Stricter of the two shown. ByteDance terms (model provider) say Yes | Comfy Cloud terms comfy.org | 2026-08-31 |
"Indemnification runs customer to Comfy only; no Comfy-to-customer IP indemnity." | |||
| Marking applied by the model | Yes documentation, not contract | ByteDance terms (model provider) docs.byteplus.com | 2026-09-23 |
"C2PA Content Credentials Guide (2026-07-28): the ModelArk API 'embeds C2PA Content Credentials by default... No additional configuration is required' for ByteDance-Seedream-4.0, Seedream-4.5, Dola-Seedream-5.0-pro / -lite, Dreamina-Seedance-2.0 / -2.0-mini / -2.0-fast (Seedance 2.5 announced, not listed; Seedream 3.0 and Seedance 1.x not covered). Acceptable Use Policy: users must not 'delete, remove, obscure, alter or conceal any credentials, watermarks, identifiers, metadata... that indicate that the content may be generated by a BytePlus GenAI Service'. General Terms for AI Services s1.4: comply with AI labelling / disclosure law when publishing. Visible watermark default: unconfirmed." | |||
| Disclosure duty on you | Required | ByteDance terms (model provider) docs.byteplus.com | 2026-09-23 |
"C2PA Content Credentials Guide (2026-07-28): the ModelArk API 'embeds C2PA Content Credentials by default... No additional configuration is required' for ByteDance-Seedream-4.0, Seedream-4.5, Dola-Seedream-5.0-pro / -lite, Dreamina-Seedance-2.0 / -2.0-mini / -2.0-fast (Seedance 2.5 announced, not listed; Seedream 3.0 and Seedance 1.x not covered). Acceptable Use Policy: users must not 'delete, remove, obscure, alter or conceal any credentials, watermarks, identifiers, metadata... that indicate that the content may be generated by a BytePlus GenAI Service'. General Terms for AI Services s1.4: comply with AI labelling / disclosure law when publishing. Visible watermark default: unconfirmed." | |||
| Training data disclosed | not on record | - | - |
Sources
- Comfy Cloud terms https://www.comfy.org/terms-of-service read 2026-08-31
- ByteDance terms (model provider) https://docs.byteplus.com/en/docs/legal/docs-service-specific-terms read 2026-09-23
- ByteDance terms (model provider) https://docs.byteplus.com/en/docs/legal/AI-Services-terms read 2026-10-05
- ByteDance terms (model provider) https://docs.byteplus.com/en/docs/modelark/c2pa-content-credentials-guide read 2026-09-23
Other models on Comfy Cloud
Recent changes to these terms
- 30 Sept 2026 BytePlus adds penalties for unauthorised Seedance resale Terms changed
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