Model terms / ByteDance / Seedance 2.0 Fast
ByteDance · Runway
Can I use Seedance 2.0 Fast via Runway commercially?
Restricted, not offered in US, with conditions
Authorisation not verified. BytePlus Video terms s4.2: aggregation platforms are Platform Customers with identity-verification and audit duties, and their end users 'may only generate video content for their own use'; the channel's arrangement is not public.
Commercial use of Seedance 2.0 Fast via Runway: 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: via Runway (proxied).
Two sets of terms apply on this route. Runway 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. Runway 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 | Yes Stricter of the two shown. ByteDance terms (model provider) say No | Runway terms runway.com | 2026-08-31 |
"Inputs and Outputs may be used by the Company to train and improve its AI models, algorithms and related technology, products and services." | |||
| Trains on your prompts | Yes Stricter of the two shown. ByteDance terms (model provider) say No | Runway terms runway.com | 2026-08-31 |
"Prompts are the defined Inputs ('such as text prompts describing images, videos, games, or other content')." | |||
| Trains on your outputs | Yes Stricter of the two shown. ByteDance terms (model provider) say No | Runway terms runway.com | 2026-08-31 |
"Same clause - 'Inputs and Outputs may be used by the Company to train...'" | |||
| Output ownership | User | Runway terms runway.com | 2026-08-31 |
"The Company does not claim ownership of any of your Inputs or Outputs." | |||
| Copyright indemnity | No Stricter of the two shown. ByteDance terms (model provider) say Yes | Runway terms runway.com | 2026-08-31 |
"Indemnification runs user to Runway only." | |||
| 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
- Runway terms https://runway.com/terms-of-use 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
Seedance 2.0 Fast on other services
- Comfy Cloud Restricted, not offered in US, with conditions
- ElevenLabs Yes on Business, Creator, Enterprise, Pro, Scale and Starter; No on Free, not offered in US
- Magnific Yes on Business, Essential, Premium, Premium+, Pro and Pro Starter; No on Free, not offered in US
Other models on Runway
- Seed Audio Restricted, not offered in US, with conditions
- Seedance 2.0 Restricted, not offered in US, with conditions
- Seedance 2.0 Mini Restricted, not offered in US, with conditions
- Seedance 2.5 Restricted, not offered in US, with conditions
- Seedream 5 Lite Restricted, not offered in US, with conditions
- Seedream 5 Pro Restricted, not offered in US, with conditions
Recent changes to these terms
- 30 Sept 2026 BytePlus adds penalties for unauthorised Seedance resale Terms changed
Keep this record for your own work
Archibal captures every generation from your tools, attaches these terms to each file, and freezes them into the delivery record at the moment you deliver. If the terms change later, your record still shows what they said when you shipped.
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.