Gemma 4 Receives Stealth Update Fixing Tool Calling and Truncation Bugs

Jul 16, 2026

Google has quietly updated its open AI model Gemma 4, addressing bugs related to tool calling and truncated responses. The update also improves performance on Nvidia Hopper GPUs, while the model retains its original name.

Why it matters: The update improves the reliability and performance of Gemma 4, addressing issues that impact users who depend on accurate tool calling and complete outputs.

Full story at: The Decoder ↗