I should hope that open source developers are exclusively using open source models that are trained on open source projects.
Most developers who use these tools (even FLOSS developers) appear to be using the corporate owned models that were definitely trained on both proprietary source code and code that is incompatible with the GPL license. Some EU courts have also already judged that LLM code cannot be copyrighted, which also means it cannot be licensed as GPL.
Currently, all code generated with an LLM has a 3 to 10% chance of unknowingly plagiarizing the copyrighted code it was trained on, and any FLOSS project that uses it is making a huge gamble that their codebase won’t be scanned by corporations in the future looking for violations to sue about, shut down rival FLOSS projects, etc.
Most developers who use these tools (even FLOSS developers) appear to be using the corporate owned models that were definitely trained on both proprietary source code and code that is incompatible with the GPL license. Some EU courts have also already judged that LLM code cannot be copyrighted, which also means it cannot be licensed as GPL.
Currently, all code generated with an LLM has a 3 to 10% chance of unknowingly plagiarizing the copyrighted code it was trained on, and any FLOSS project that uses it is making a huge gamble that their codebase won’t be scanned by corporations in the future looking for violations to sue about, shut down rival FLOSS projects, etc.