Gemini 3.1 Flash TTS Preview

Low-latency speech generation with steerable prompts and expressive audio tags

google/gemini-3.1-flash-tts-preview
Organization
Google
Providers
2
Context
8,192
Output limit
16,384
Knowledge
2025-01
Release
2026-04-15
Updated
2026-04-15
Weights
Closed
Input
text
Output
audio
Capabilities
Temperature

Providers

Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.

2 offers · USD per million tokens
ProviderModel IDContextOutputInput / output · 1MReasoningToolsStructuredDetails
Google
gemini-3.1-flash-tts-preview
8,19216,384$1.00 / $20.00YesNo—
View
Kenari
gemini-3-1-flash-tts
8,19216,384$0.00 / $0.00NoNo—
View

Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.

Pricing

Compare token rates and cache charges across available routes and hosting configurations.

USD per million tokens
Input from$0.00Per 1M input tokens
Output from$0.00Per 1M output tokens
Available offers2Across 2 providers

Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.

Frequently asked questions

Answers based on the model metadata and serving offers currently in the catalog.

How much does Gemini 3.1 Flash TTS Preview cost?

Listed rates start at $0.00 per million input tokens and $0.00 per million output tokens. Prices vary by provider and configuration; see Pricing for details.

Which providers offer Gemini 3.1 Flash TTS Preview?

There are 2 cataloged offers across 2 providers. Compare model IDs, prices and limits in Providers.

What is the context window?

The cataloged model context is 8,192 tokens. Each serving endpoint may apply a different limit.

Does it support tools and structured output?

Tool calling: No. Structured output: Not reported. Support can vary by endpoint.

Catalog history · 2 recorded revisions

Metadata observations since this model was first cataloged. These are not model release versions.

  • · ccdf9293f270
  • · ca9615e943ff