Overview

Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking are Google’s native speech-to-speech voice dialogue models, announced September 15, 2026. They support real-time visual grounding, 97-language mid-conversation switching, and asynchronous background tool execution.

Variants

ModelFocusBenchmark
Gemini 3.8 LiveScale, cost efficiency#2 Speech Agent Arena
Gemini 3.8 Live Extended ThinkingMulti-step reasoning#1 Artificial Analysis Speech-to-Speech (82.6)

Availability

  • Gemini API / Google AI Studio: 0.018/min output
  • Consumer: Gemini Live, Gmail Live, Docs Live, Keep Live
  • Enterprise: Private preview in Gemini Enterprise
  • Integration partners: LiveKit, LangChain, Pipecat, Vercel

Sources