Gemini 3.1 Flash TTS Preview
Gemini 3.1 Flash TTS Preview has model metadata, but missing tracked provider pricing keeps it from being a default production pick.
Use it for
- Teams evaluating general LLM work
- Workloads that can use a 16k context window
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
- Family
- Gemini 3.1
- Released
- 2026-04-15
- Context
- 16k
- Architecture
- Decoder Only
- Specialization
- audio
- Openness
- Proprietary
- License
- ProprietaryCommercial use with conditions
- Training
- pretrained
No tracked provider token pricing is available yet.
About
Google's cost-efficient expressive text-to-speech model, released April 15, 2026. Supports 70+ languages, native multi-speaker dialogue, and 200+ audio style tags for precise delivery control. SynthID watermarking included. Achieves Elo 1,211 on the Artificial Analysis TTS leaderboard. Priced at $1.00/M input tokens and $20.00/M audio output tokens. API ID: gemini-3.1-flash-tts-preview.
Gemini 3.1 Flash TTS Preview is a proprietary model in the Gemini 3.1 family. The structured metadata tracks a 16k-token context window and audio. Headline tracked benchmarks include Artificial Analysis TTS Arena ELO 1229.0.
Top use-case fit
No primary decision-task fit is mapped for this model yet.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Benchmark scores(1)
| Benchmark | Score | Version | Source |
|---|---|---|---|
| Artificial Analysis TTS Arena ELO | 1229.0 | arena-elo | https://artificialanalysis.ai/text-to-speech/leaderboard |
Migration checks
No linked migration route is available for this model yet.
Rankings & picks(2)
No tracked provider token pricing is available yet.