Google DeepMind released Gemma 4 on April 2, 2026. It is their most capable open model family to date, built from the same research behind Gemini 3, and shipped under the Apache 2.0 license. That means no usage caps, no restrictive policies, and full commercial freedom.
This article breaks down what Gemma 4 is, what it can do, and how to actually run it in your projects. No fluff. Just the parts that matter if you are building something.
What is Gemma 4
Gemma 4 is a family of open-weight multimodal models designed for reasoning, code generation, and agentic workflows. It comes in four sizes:
Model
