Google released a stealth update to its open-source Gemma 4 AI model, addressing tool calling bugs and truncated response issues while improving performance on Nvidia Hopper GPUs.
The update arrived under the same version name, meaning users may not immediately recognize the changes. The fixes target two persistent issues: problems with tool calling functionality and responses that were being cut off prematurely.
The update also includes performance optimizations specifically for Nvidia's Hopper GPU architecture, potentially improving inference speeds for users running Gemma 4 on compatible hardware.
Google has not made an official announcement about the update, which was identified through version tracking. The stealth deployment approach allows the company to push fixes without major fanfare, though it may leave some users unaware of improvements available to them.
Gemma 4 remains part of Google's open-source AI initiative, competing with other accessible large language models in the market. The fixes enhance the model's practical utility for developers implementing tool use and automated workflows.
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