Any time you make a copy of an expressive work without express permission from the author (in the form of a license), you are committing copyright infringement.
Fair Use is a defense to copyright infringement. Under certain circumstances you are allowed to commit copyright infringement. For instance you can copy a short scene from a movie if you are making a review/commentary video.
OpenAPI is arguing that training AI models should be a "fair use". They are not claiming they never used copyrighted materials.
Fair Use is a defense to copyright infringement. Under certain circumstances you are allowed to commit copyright infringement. For instance you can copy a short scene from a movie if you are making a review/commentary video.
OpenAPI is arguing that training AI models should be a "fair use". They are not claiming they never used copyrighted materials.