Release dates
— Gemini 3.8 Live and Extended Thinking reached GA together in the Live API, offering real-time voice interaction and background reasoning. ↗
Gemini 3.8 Live Extended Thinking
The high-reasoning real-time audio variant of Gemini 3.8 Live, supporting background reasoning during ongoing voice interactions.
Google announced Gemini 3.8 Live Extended Thinking GA in the Live API on 2026-09-15; it targets high-reasoning live audio interactions with background reasoning, with no shutdown date announced.
MODEL NUMBER103
- First public date
- 2026-09-15
- Organization
- Google DeepMind
- Family
- Gemini
01
Specifications
Only published specifications are shown.
- Input modalities
- Text · Audio
- Output modalities
- Audio
- Open weights
- No
- Status
- Current
02
Overview
Why it mattered
It combines low-latency live voice interaction with longer background reasoning as a dedicated production tier for complex voice agents.
03
Architecture & capabilities
Model capabilities
Native audioReal-time audioThinking modeExtended thinkingTool use
04
Release history
Gemini 3.8 Live and Extended Thinking reached GA together in the Live API, offering real-time voice interaction and background reasoning.
View source05
Related models
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06
Sources
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