Google releases Vertex AI Generative AI v1 with Gemma 4 26B A4B IT
Action Required
Organizations can now leverage a new, open model and a more streamlined RAG engine, potentially improving the performance and cost-effectiveness of their AI applications.
AI Impact Summary
Google is releasing a new version of Vertex AI Generative AI, introducing the Gemma 4 26B A4B IT model as an experimental launch in Model Garden, alongside Serverless mode for the RAG Engine and visualization cells in Colab Enterprise. This update expands model options and provides a more managed experience for RAG workloads, offering a pathway to experiment with multimodal models and streamline data retrieval processes. Users should monitor the experimental launch for performance and stability before wider adoption.
Affected Systems
- Date
- 3 Apr 2026
- Change type
- capability
- Severity
- high