Price range ¥1.95 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| default | Token | ¥1.95 | ¥39.06 | - | - |
Gemini 3.1 Flash TTS Preview
gemini-3.1-flash-tts-previewLow-latency speech generation guided by steerable prompts and expressive audio tags.
Low-latency speech generation with steerable prompts and expressive audio tags
8K context8K context
Released2026-04-15
Relays5 sites
audiofast
Model information
- Model ID
- gemini-3.1-flash-tts-preview
- Context
- 8.2K
- Max input
- -
- Max output
- 16.4K
- Knowledge cutoff
- 2025-01
- Open weights
- Not supported
- License
- -
- Release date
- 2026-04-15
Input
Text: SupportedImage: Not supportedAudio: Not supportedVideo: Not supportedPDF: Not supportedFile: Not supported
Output
Text: Not supportedImage: Not supportedAudio: SupportedVideo: Not supported
API capabilities
Reasoning: Not supportedTool call: Not supportedStructured output: UnknownTemperature: Supported
Google Official Pricing
CNYUpdated: 2026-10-04T22:55:11.423+08:00
Input
~¥6.689/ 1M tokens
Output
~¥133.787/ 1M tokens
Relay Comparison
Compare token, per-request, or per-second pricing by relay channel.
Unit: token prices are ¥ / 1M tokens; per-request and per-second rows use their shown unit
Price range ¥150 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| gemini-vertex | Token | ¥150 | ¥600 | - | - |
Price range ¥0.5294 - ¥0.8824 / 1M tokens
Aistudio-Gemini-2
BillingToken
Input¥0.5294
Output¥10.59
Cache hit-
Cache write-
Vertex-Gemini-2
BillingToken
Input¥0.6
Output¥12
Cache hit-
Cache write-
Aistudio-Gemini-3
BillingToken
Input¥0.8824
Output¥17.65
Cache hit-
Cache write-
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Aistudio-Gemini-2 | Token | ¥0.5294 | ¥10.59 | - | - |
| Vertex-Gemini-2 | Token | ¥0.6 | ¥12 | - | - |
| Aistudio-Gemini-3 | Token | ¥0.8824 | ¥17.65 | - | - |
Price range ¥3 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Gemini | Token | ¥3 | ¥60 | - | - |
Price range ¥255 - ¥357 / 1M tokens
Google AI Studio
BillingToken
Input¥255
Output¥1020
Cache hit-
Cache write-
Google Vertex
BillingToken
Input¥357
Output¥1428
Cache hit-
Cache write-
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Google AI Studio | Token | ¥255 | ¥1020 | - | - |
| Google Vertex | Token | ¥357 | ¥1428 | - | - |
How should Gemini 3.1 Flash TTS Preview relay pricing be compared?
This Gemini 3.1 Flash TTS Preview pricing page compares official pricing with public prices from 5 listed AI gateways. Token prices are shown in CNY per 1M tokens, while per-request, per-second, and per-character rows use the unit shown in the table. Last updated: 10/23/2026, 08:15.
- Data sources
- Public price catalogs, official pricing records, and monitoring results.
- Metric definitions
- Uptime means successful probe response rate, fake-rate signals possible model mismatch or abnormal output risk, and latency is average API response time.
- Risk note
- Relay gateways are third-party services. Pricing, billing, privacy, and stability can change; start with a small top-up and verify reliability before continued use.