Anthropic · API
Can I use Claude 4 commercially?
Commercial use of Claude 4: Yes, according to Anthropic terms as read on 2026-08-26. 8 of 8 usage questions have an answer on record.
Terms as read on 2026-08-31. Route: API (first party).
| Question | Answer | According to | Read on |
|---|---|---|---|
| Commercial use | Yes | Anthropic terms anthropic.com | 2026-08-26 |
| Trains on your inputs | No | Anthropic terms anthropic.com | 2026-08-31 |
"Anthropic may not train models on Customer Content from Services (B)." | |||
| Trains on your prompts | No | Anthropic terms anthropic.com | 2026-08-26 |
| Provider trains on outputs | No | Anthropic terms anthropic.com | 2026-08-26 |
| Output ownership | User – Anthropic assigns rights in outputs | Anthropic terms anthropic.com | 2026-08-26 |
| Copyright indemnity | Yes | Anthropic terms anthropic.com | 2026-08-31 |
"K.1: indemnity for third-party claims alleging that Customer's paid use of the Services or Outputs generated through such authorized use violates any third-party intellectual property right (exclusions K.3(e)-(f))." | |||
| Synthetic-content marking | No | Anthropic terms anthropic.com | 2026-08-26 |
| Training data disclosed | No | Anthropic terms anthropic.com | 2026-08-26 |
Sources
- Anthropic terms https://www.anthropic.com/legal/commercial-terms read 2026-08-26
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