What "Open Source AI" Actually Means: The Llama License Controversy and the OSI's Official Definition
Meta calls Llama open source. The organization that has defined "open source" for software since 1998 says it isn't — and by Llama 4's release, the license had grown restrictions that would have failed even a generous reading of the term.
Ravindra Valand
August 1, 2026
5 min read