Google upgrades NotebookLM to Gemini 3.5, adds more coding features

Google updated NotebookLM with Gemini 3.5, outperforming the previous version on 78.2% of research tasks. The update adds an Antigravity code editor with a virtual machine for running code and over 100 pre-packaged software skills. Gemini 3.5 Flash generates output four times faster than competing LLMs.