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What is Gemma 4?
Gemma 4 is a family of four open-source models released by Google DeepMind on April 2, 2026. The smallest model has two billion parameters and is optimized for mobile devices, while the largest model has 31 billion parameters and is designed to compete with the best AI models currently available.
There are four Gemma 4:
- 31B Dense: — Maximum quality
- 26B MoE (Mixture of Experts): A more efficient enterprise option
- E4B: The most balanced version optmized for offline use
- E2B: ultra-low-latency edge model for mobile devices
New for Gemma models, All four have built-in support for images and video-understanding, and the two edge models also understand audio input for real-time speech processing.
Gemma 4 Agentic Layer
All Gemma 4 variants come with native function-calling support and structured JSON output. This means they can interact with external tools, plan ahead for task execution, and act on their plans, similar to OpenClaw. For developers, the Gemma 4 family is perfect as a base for autonomous agents that call APIs, chain tools, and execute multi-step workflows.
Gemma 4 Capabilities
The most notable feature of Gemma 4 is its ability to deliver frontier-level reasoning at a fraction of the usual model size. For example, the 31B Dense variant is ranked third on the Arena AI text leaderboard and outperforms models with 20 times more parameters on math and instruction-following benchmarks. In practice, Gemma 4 produces results similar to those of much more expensive AI models — or, in the case of local AI, models that potentially won't even fit into the memory of a typical consumer machine.
Another notable feature of Gemma 4 is its native multimodality, which is standard across the entire family. This improves accuracy, speed, and efficiency when processing audio-visual content, such as images, videos, and voice recordings.
Gemma 4 is designed to be the foundation for AI agents. It can be used with other tools and systems because it has native function-calling and structured JSON output. With the Apache 2.0 license, you own whatever you build on top of it.
Gemma 4 is available on Overchat AI alongside Claude Mythos and DeepSeek V4. You can also dowload and run Gemma 4 locally through Atomic Chat — the best local AI app to run open-source models offline.
Gemma 4 Benchmarks
As of the time of writing, Gemma 4 31B Dense ranks #3 on the Arena AI text leaderboard, while Gemma 4 26B MoE is #6. This is a remarkable performance for a model that activates fewer than 4 billion parameters per inference. The fewer parameters activated, the more cost-efficient, fast, and less taxing on the hardware the model is.
