MOT: a tool to fight openwashing in AI (opens in new tab)

Many large language models (LLMs) are described as open source, but if one looks a bit deeper it turns out that is not actually so; the model may be free to download, it may be "", but it does not fit the (OSI) (OSD). Assessing the actual openness of models is not easy, as Arnaud Le Hors explained in his talk about the (MOT) at 2026. The tool is designed to help users of LLMs understand to what degree a model is (or is not) open, and to combat the