Google just dropped its most powerful open-source model family ever and this one is different. Gemma 4 comes in four sizes, from smartphone-ready models to a 31B parameter version ranking third on the global Arena AI leaderboard. The math benchmark jump alone is staggering from 20.8 to 89.2 percent on AIME 2026. But the real story is the license. Gemma 4 ships under Apache 2.0. Use it commercially, modify it, redistribute it, build products on top of it no restrictions. Supports 140+ languages, 256K context, and handles text, images, video, and audio natively. All on hardware you already own. Open-source AI just got a lot harder to ignore. [Google Gemma 4 open source AI model, best open source AI models 2025, Gemma 4 Apache license release, open source LLM for developers, Google AI model release 2025] #Gemma4 #GoogleAI #OpenSourceAI #LLM #AINews