I'm very impressed with it as a model for image->html builds. It's the first non-anthropic low-param model that successfully captures complex flows.

Comparisons:

Hydrogen: https://html.non.io/lcars-gemini-4-hydrogen

Sonnet 5.5: https://html.non.io/lcars-sonnet-5.5/

Original designs: https://diffui.ai/app/canvas/5093e689-1e74-4f26-b632-2a4500f...

IMO it sits between sonnet and opus in terms of quality, and is equivalent with gpt sol (for this particular benchmark). Google did a great job with this.