What I shipped during I/O 2026 week: Gemma 4 on Ollama with a five-piece safety stack
During Google I/O 2026, Mukunda Rao Katta shared insights on developing Gemma 4, an open model from Google. He highlighted the importance of proper scaffolding for effectively utilizing a 2B-parameter model. Katta also discussed the challenges faced and solutions implemented to enhance the model's performance and reliability.
- ▪Gemma 4 is a new family of open models from Google.
- ▪The agent built by Katta is around 200 lines of code and relies on five libraries.
- ▪Katta identified several issues with the model's output and developed specific fixes to address them.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3915555) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Mukunda Rao Katta Posted on May 19 What I shipped during I/O 2026 week: Gemma 4 on Ollama with a five-piece safety stack #googleio #gemma #ai #opensource Drafted in anticipation of the Google I/O 2026 Writing Challenge. Will add the devchallenge and challenge-specific tags once the announcement is live on May 19. I/O week is the one week of the year where my GitHub feed and my coffee maker are equally caffeinated.
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