Open AI closes the gap as Europe bets on sovereignty and infrastructure

Mozilla’s latest State of Open Source AI report argues that open-source and open-weight AI have moved beyond experimentation and become a significant part of the global AI ecosystem, driven by rapidly improving capabilities, lower costs, and greater control over model deployment. The September 2026 assessment examines the state of open AI across capability, adoption, infrastructure, investment, regulation, and sovereignty, including where Europe is gaining ground — and where it continues to lag