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Audio modelActive

Gemini 3.8 Live

Google

Released
-
Data date
September 24, 2026
Access

Gemini 3.8 Live is designed for direct audio responses without an extra reasoning delay. It accepts text, images, audio, and video and returns text and audio. While an asynchronous function call runs, the session can keep streaming audio and updating session content; search grounding and built-in audio streaming are part of its documented live behavior.

The API profile allows 131,072 input tokens and 65,536 output tokens. Gemini 3.8 Live Extended Thinking is the separate variant for background reasoning, while Gemini 3.8 Live keeps direct dialogue and ongoing tool use open without that extra step.

Specifications and access

SpecificationValue and source
Model class
Real-time audio modelSource
Access
API model ID
gemini-3.8-liveSource
Input
Text, image, audio and videoSource
Output
Text and audioSource
Task
Voice agents and dialogueSource
Supported details
Low latency without reasoning delaySource
Input limit
131,072 tokensSource
Output limit
65,536 tokensSource
Tools
Function calling and search groundingSource
Capabilities
Interleaved reasoning, asynchronous function calling, session content updates, and built-in audio streamingSource