Google announced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking on September 15, 2026 as its most advanced live dialogue models.
Gemini 3.8 Live Extended Thinking targets high-complexity tasks with multi-step reasoning — powering Gmail Live, Docs Live, Keep Live, and Gemini Live rollout.
Gemini 3.8 Live is built for scale and cost efficiency, ranking second in Speech Agent Arena. It powers AI Mode’s Search Live experience.
Extended Thinking ranks #1 on Artificial Analysis Speech-to-Speech Quality Index (82.6). Models support 97-language mid-conversation switching, visual grounding, and background tool execution.
Developer access via Gemini API; enterprise private preview in Gemini Enterprise.