# Microsoft trained its MAI models on unlicensed web data despite promising "enterprise grade, clean and commercially licensed data"

> Source: <https://the-decoder.com/microsoft-trained-its-mai-models-on-unlicensed-web-data-despite-promising-enterprise-grade-clean-and-commercially-licensed-data/>
> Published: 2026-06-05 12:10:26+00:00

Microsoft sells its LLM training approach as different from other AI companies. It isn't. The company trained its new MAI models partly on unlicensed web data like Common Crawl, despite claiming they used only "clean and commercially licensed data." Like every other AI lab, Microsoft leans on fair use and puts the burden on site owners to block its crawlers.

The article [Microsoft trained its MAI models on unlicensed web data despite promising "enterprise grade, clean and commercially licensed data"](https://the-decoder.com/microsoft-trained-its-mai-models-on-unlicensed-web-data-despite-promising-enterprise-grade-clean-and-commercially-licensed-data/) appeared first on [The Decoder](https://the-decoder.com).