Gemma 4 Complete Guide: The Most Powerful Open Source Model of 2026
Google's Gemma 4 open-source model family in 2026 — Apache 2.0 licensed, four launch sizes (E2B to 31B, with 12B Unified added in June 2026), 256K context window, multimodal support. Full analysis of architecture, deployment, fine-tuning, API integration, and enterprise adoption strategies.