Gemini 3.8 Live Extended Thinking

Released
2026-09-15
Last refreshed
2026-09-17
Status
Researched 25d ago
ProprietaryCommercial use: conditionalMultimodalRAGAgentsLong contextVisionJSON / Tool useAudioAgentMultimodalReasoning
Google DeepMind releases · 52 in the last 12 months · this family litChangelog →
Specifications
Released
2026-09-15
Context
128K
Max output
64K
Specialization
realtime-voice
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Training
Pretrained
Created by

Pioneering artificial intelligence research.

London, United Kingdom
Founded 2014
Website
Pricing
Output / 1M
$4.50
Input / 1M
$0.750

Cheapest of 1 route · Google AI Studio

About

Gemini 3.8 Live Extended Thinking (API model code gemini-3.8-live-extended-thinking) is Google DeepMind's high-reasoning Live API audio-to-audio model for complex multi-step voice interactions, announced with Gemini 3.8 Live on September 15, 2026 (~17:00 UTC). First-party AI.dev: inputs text/images/audio/video; outputs text and audio; 131,072 input / 65,536 output tokens; Live API supported; Thinking supported; function calling async-only; search grounding supported; structured outputs / caching / code execution / batch not supported. Product blog positions it for deeper background reasoning while streaming continuous audio; ranks #1 on Artificial Analysis Speech-to-Speech leaderboard per Google blog claim.

Providers(1)

Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
Google AI Studio$0.750$4.50
Serverless

Available via routers & gateways(13)

Capabilities

VisionMultimodalReasoningJSON / Tool useAudio

Benchmark peer barsfor RAG

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

API versions

gemini-3.8-live-extended-thinking