#gpt-5-5

Gemini 4.0 at Google I/O 2026: What's Confirmed, What's Anonymous-Sourced, What Builders Should Actually Watch For

Google I/O opens today at 10 AM PT. The pre-keynote reporting on the new Gemini ranges from 'incremental 3.5 release' to 'full Gemini 4.0 with deeper integration.' Here's what's actually confirmed versus what's anonymous sourcing — and the seven things builders should evaluate the moment the model card drops.