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Google: Gemini 3.1 Flash TTS Preview

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

Source-linked gemini-flash Closed weights Released 2026-04-15
API record Report
InputT
Output
Input price$1/M
Output price$20/M
Context8.192K
Max output16.384K
Providers2
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

Report a price
Providers offering Gemini 3.1 Flash TTS Preview
ProviderProvider model IDContextMax outputInputOutputCache readCapabilitiesDocs
Kenari gemini-3-1-flash-tts 8.192K 16.384K Not listed Docs ↗
Google gemini-3.1-flash-tts-preview 8.192K 16.384K $1 $20 Reasoning Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $1/M

Across 1 priced provider

Median input $1/M

Midpoint of listed rates

Highest input $1/M

Same as the lowest listed rate

Output range $20 – $20

Per million output tokens

Google $1/MLowest
Cost calculator

Estimate a workload

$0.00
Excludes taxes, non-token charges, and tiered discounts.
Specification

Capabilities

Recorded from the source catalog and provider listings.

× Reasoning No
× Tool calling No
? Structured output Unknown
× Attachments No
× Vision input No
× Open weights No
Creator
Google
Model family
gemini-flash
Knowledge cutoff
2025-01
License
Not documented
Release date
2026-04-15
Model ID
google/gemini-3.1-flash-tts-preview
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

Read the methodology
Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
No changes recorded

This record has not changed within the retained import history.

Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://model.kyssta.lol/api/v1/models/google/gemini-3.1-flash-tts-preview
curl
curl "https://model.kyssta.lol/api/v1/models/google/gemini-3.1-flash-tts-preview"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is Gemini 3.1 Flash TTS Preview?

Low-latency speech generation with steerable prompts and expressive audio tags. It is published by Google and catalogued here from Models.dev.

How much does Gemini 3.1 Flash TTS Preview cost?

Listed input pricing starts at $1 per million tokens from Google.

What is the context length of Gemini 3.1 Flash TTS Preview?

Gemini 3.1 Flash TTS Preview accepts up to 8.192K tokens of context and returns up to 16.384K output tokens.

Which providers serve Gemini 3.1 Flash TTS Preview?

2 providers list this model: Kenari, Google.

Are the weights for Gemini 3.1 Flash TTS Preview open?

No. This model is served through hosted APIs only.

When was Gemini 3.1 Flash TTS Preview released?

The catalog records a release date of 2026-04-15, last verified Sep 11, 2026.

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