AI Model Radar
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Gemini 3.1 Flash TTS Preview

Google
Model overview

gemini-3.1-flash-tts-preview

Google's current low-latency Gemini 3.1 Flash TTS preview model.

audiospeechtext to speechvoice assistantenterprise access
CompareCompanyRankingsPublic signals
Representative version

gemini-3.1-flash-tts-preview

CompanyGoogle
ReleaseNot disclosed
Release typePreview release
ParametersNot disclosed
ArchitectureNot disclosed
ContextNot disclosed
Input modalitiestext
Output modalitiesaudio
Tool use / function callingNot disclosed
Structured output / reasoningNot disclosed
Vision / audio / videoConfirmed: Audio; Not shown: Vision, Video
Open weights / LicenseNo open weights / license not applicable
google-gemini-3-1-flash-tts-preview-current · License not applicable
Vendor APIAvailable
Gemini 3.1 Flash TTS Preview | Gemini API | Google AI for Developersgoogle-gemini-3-1-flash-tts-preview-current · 2026-05-08
OpenRouterNot separately listed on OpenRouter
PricingOfficial pricing page
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesvoice assistant / enterprise API / audio and speech / speech
Claim evidenceRelease / model specs / weightsGemini 3.1 Flash TTS Preview | Gemini API | Google AI for Developersgemini-3.1-flash-tts-preview
OpenRouter

Pricing / context / availability

OpenRouterNot separately listed on OpenRouter
OpenRouter listingNot separately listed in the current OpenRouter public list
Mapped versiongemini-3.1-flash-tts-preview
google-gemini-3-1-flash-tts-preview-current
PricingOfficial pricing page
ContextNot disclosed
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Evidence gaps

Public display boundary

Parameter scale not disclosedRelease date not disclosedOpenRouter not separately verifiedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed