Google unveils ultra-small and efficient open source AI model Gemma 3 270M that can run on smartphones

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Google’s DeepMind AI research team has unveiled a new open source AI model today, Gemma 3 270M.

As its name would suggest, this is a 270-million-parameter model — far smaller than the 70 billion or more parameters of many frontier LLMs (parameters being the number of internal settings governing the model’s behavior).

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While more parameters generally translates to a larger and more powerful model, Google’s focus with this is nearly the opposite: high-efficiency, giving developers a model small enough to run directly on smartphones and locally, without an internet connection, as shown in internal tests on a Pixel 9 Pro SoC.