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

Introduced Gemma 4, a new family of open models built on Gemini 3 technology. This release includes four sizes (E2B, E4B, 26B MoE, 31B Dense) optimized for advanced reasoning and agentic workflows. Key technical features include native support for function-calling, structured JSON output, system instructions, code generation, multimodal processing (vision and audio), and extended context windows (up to 256K). The models are designed for efficient deployment across diverse hardware, from edge devices to cloud, and are released under an Apache 2.0 license.