Gemma 4 Review: Google's Best Open-Source Model — All Sizes Compared

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 10 lipca 2026

Google's Gemma 4 landed in April 2026 with a 92.4% MMLU score, native multimodal vision, audio support, and a 1B model that runs on a phone. Here's the full breakdown.

• The Four Models in the Gemma 4 Family
• What Changed From Gemma 3
• Architecture Deep-Dive
• Benchmark Results
• Hardware Requirements and Local Setup
• Who Should Use Each Variant
• The Apache 2.0 Advantage
• Gemma 4 vs. the Competition

Google released Gemma 4 on April 2, 2026, and it's the most significant jump the Gemma family has ever made. The 31B flagship model scores 92.4% on MMLU — above GPT-4o's 88.7%. The smallest model, the E2B, runs on a smartphone with a sub-1.5 GB memory footprint and supports text, images, video, and audio. The entire family ships under Apache 2.0, meaning fully commercial use with no restrictions. This guide covers every variant, what changed from Gemma 3, hardware requirements, benchmark scores, and how to start running Gemma 4 locally today. Gemma 4 ships in four variants, split across two ar…

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