DiffusionGemma Explained: How Google's Open Diffusion LM Runs Up to 4x Faster Locally

Google DeepMind's DiffusionGemma is an open diffusion language model reported to run roughly 4x faster on local hardware than autoregressive Gemma. Here's how diffusion generation delivers that speedup, what the 4x figure does and doesn't mean, and when it's worth adopting.

06/13/2026 · Model Evaluation · 7 min read