Gemini 3.1 Flash TTS Preview

google/gemini-3.1-flash-tts-preview

Maker: Google, United States
Released: 2026-04-15
Knowledge cutoff: 2025-01
Family: gemini-flash
Weights: closed
Tasks: speech.synthesize
Cheapest offering: Google Gemini API, about $0.0003 for a typical speech.synthesize call

Try it in the sandbox Use it from the API

Offerings

Provider	Model id at the provider	Status	Price per 1M tokens	Per-unit prices	Limits	Capabilities (level)
Google Gemini API	`gemini-3.1-flash-tts-preview`	gadeprecated 2026-11-17	Input: $1 Output: $20 Since 2026-11-03 · models.dev, MIT	none	Context: 8,192 tokens Max input: 8,192 tokens Max output: 16,384 tokens	`input.text` claimed `output.audio` claimed `reasoning` claimed

Quality scores

No quality score for this model yet.

Aliases

Other names the API accepts for this model.

gemini-3.1-flash-tts-preview

Use it from the API

Look this model up, or ask for the best model for its task on the providers that offer it. See the quickstart and the API reference.

Look up this model

curl 'https://rhumbdata.com/v1/models/google/gemini-3.1-flash-tts-preview' \
  -H "Authorization: Bearer $RHUMB_KEY"

Resolve speech.synthesize on its providers

curl 'https://rhumbdata.com/v1/resolve?task=speech.synthesize&providers=gemini' \
  -H "Authorization: Bearer $RHUMB_KEY"

Built from catalog version 2026-11-04.3 of 2026-11-04. Prices are list prices per 1M tokens unless marked otherwise; every score shows its source's notice (see Attributions).