That is incorrect -- you do not have to provide the full training data to meet the requirements.

I recommend reading the actual Open Source AI Definition[1] and the FAQ[2]. There's also the whitepaper[3] that goes into much more detail about the state of affairs.

[1]: https://opensource.org/ai/open-source-ai-definition

[2]: https://hackmd.io/@opensourceinitiative/osaid-faq#What-is-th...

[3]: https://opensource.org/wp-content/uploads/2025/02/2025-OSI-D...