Can I use BUSL 1.1 commercially, in AI training or with modifications?

Question 1

Can I use BUSL 1.1 (BUSL-1.1) commercially?

Accepted Answer

Needs human review. Production use depends on the Additional Use Grant this licensor wrote into its copy of the license, which differs from project to project. A reviewer should read that grant.

Question 2

Can I use BUSL 1.1 (BUSL-1.1) to train an AI model?

Accepted Answer

Needs human review. The license grants broad rights but attaches conditions (such as keeping notices) to copies and adaptations. Whether a trained model, or its output, is a copy or adaptation that carries those conditions is legally unsettled, and in some places training may fall under an exception such as fair use. A human reviewer should confirm this use for your case.

Question 3

Can I use BUSL 1.1 (BUSL-1.1) with modifications?

Accepted Answer

Yes. Permitted, with duties: license_notice, keep_change_terms.

Question 4

Can I use BUSL 1.1 (BUSL-1.1) and redistribute it?

Accepted Answer

Yes. Permitted, with duties: license_notice, keep_change_terms.

Question 5

Can I use BUSL 1.1 (BUSL-1.1) as input to an AI model (inference)?

Accepted Answer

Needs human review. Running the software in production depends on the licensor's Additional Use Grant.

Use	Answer	Why
commercial_use	Needs human review	Production use depends on the Additional Use Grant this licensor wrote into its copy of the license, which differs from project to project. A reviewer should read that grant.
model_training	Needs human review	The license grants broad rights but attaches conditions (such as keeping notices) to copies and adaptations. Whether a trained model, or its output, is a copy or adaptation that carries those conditions is legally unsettled, and in some places training may fall under an exception such as fair use. A human reviewer should confirm this use for your case.
modification	Yes	Permitted, with duties: license_notice, keep_change_terms.
redistribution	Yes	Permitted, with duties: license_notice, keep_change_terms.
model_inference	Needs human review	Running the software in production depends on the licensor's Additional Use Grant.

Can I use BUSL 1.1 commercially, in AI training or with modifications?

Duties

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