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.
FYI their open source ai definition released with a lot of controversy, unsurprisingly because it had heavy contribution from corporations with their own interests. It's best to ignore it for now until the wider community has decided on an appropriate open source definition.
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...