Google releases Gemma 4 open models

https://deepmind.google/models/gemma/gemma-4/

Gemma 4

Gemma 4 is a family of open models, purpose-built for advanced reasoning and agentic workflows.

Google DeepMind

I ran these in LM Studio and got unrecognizable pelicans out of the 2B and 4B models and an outstanding pelican out of the 26b-a4b model - I think the best I've seen from a model that runs on my laptop.

https://simonwillison.net/2026/Apr/2/gemma-4/

The gemma-4-31b model is completely broken for me - it just spits out "---\n" no matter what prompt I feed it. I got a pelican out of it via the AI Studio API hosted model instead.

Gemma 4: Byte for byte, the most capable open models

Four new vision-capable Apache 2.0 licensed reasoning LLMs from Google DeepMind, sized at 2B, 4B, 31B, plus a 26B-A4B Mixture-of-Experts. Google emphasize "unprecedented level of intelligence-per-parameter", providing yet more evidence …

Simon Willison’s Weblog
Do you think it's just part of their training set now?
It's time to do "frog on a skateboard" now.