Gemma 4 Arrives — Google's Open-Source Quartet Crushes Rivals on Token Efficiency but Still Lags in Intelligence

Google’s Gemma 4 open-source family comes in four sizes, all with multimodal support, reasoning mode, and 256K context. The flagship 31B uses 2.5× fewer tokens than Qwen3.5 27B but trails it by 3 intelligence points, while the tiny E2B can run on a phone.