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Google stealthily updates Gemma 4 model, fixing bugs and improving performance

Google has released an update for its open AI model, Gemma 4. This update reportedly improves performance on Nvidia Hopper GPUs and resolves issues with tool calling bugs and truncated responses. The changes were implemented without a formal announcement, appearing as a stealth update. AI

IMPACT This update addresses key usability issues for Gemma 4, potentially improving its reliability and performance for developers integrating it into applications.

RANK_REASON This is an update to an existing model, not a new frontier release, and the changes are primarily bug fixes and performance improvements.

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AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Google stealthily updates Gemma 4 model, fixing bugs and improving performance

COVERAGE [1]

  1. The Decoder TIER_1 English(EN) · Jonathan Kemper ·

    Gemma 4 gets a stealth update that fixes tool calling bugs and truncated responses under the same name

    <p><img alt="" class="attachment-full size-full wp-post-image" height="676" src="https://the-decoder.com/wp-content/uploads/2026/04/gemma_4-logo.webp" style="height: auto; margin-bottom: 10px;" width="1200" /></p> <p> Google shipped an update to its open AI model Gemma 4 that spe…