Price range ¥0.22 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| default | Token | ¥0.22 | ¥1.34 | - | - |
NanoBanana 2
gemini-3.1-flash-image-previewGemini 3.1 Flash Image Preview image model
NanoBanana 2 maps to Gemini 3.1 Flash Image Preview. Google lists Gemini 3.1 Flash Image as Nano Banana 2, built for pro-level image generation and editing with Flash-level speed, real-world knowledge, precise text rendering, and multi-image creation.
Task type66K context
Released2026-04
Relays34 sites
Pro-level generation and editingFlash-level speedReal-world knowledgePrecise text rendering
Model information
- Model ID
- gemini-3.1-flash-image-preview
- Context
- 65.5K
- Max input
- -
- Max output
- 65.5K
- Knowledge cutoff
- 2025-01
- Open weights
- Not supported
- License
- -
- Release date
- 2026-04
Input
Text: SupportedImage: SupportedAudio: Not supportedVideo: Not supportedPDF: SupportedFile: Supported
Output
Text: SupportedImage: SupportedAudio: Not supportedVideo: Not supported
API capabilities
Reasoning: SupportedTool call: Not supportedStructured output: UnknownTemperature: Supported
Google Official Pricing
CNYUpdated: 2026-10-04T22:55:11.406+08:00
Input
~¥3.342/ 1M tokens
Output
~¥401.092/ 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 ¥1 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Banana-T3-企业生图 | Token | ¥1 | ¥6 | - | - |
Price range ¥0.5 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Gemini香蕉生图 | Token | ¥0.5 | ¥60 | - | - |
Price range ¥0.9956 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| default | Token | ¥0.9956 | ¥119.47 | - | - |
Price range ¥1.7 - ¥2.38 / 1M tokens
Google AI Studio
BillingToken
Input¥1.7
Output¥204
Cache hit-
Cache write-
Google Vertex
BillingToken
Input¥2.38
Output¥285.6
Cache hit-
Cache write-
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| Google AI Studio | Token | ¥1.7 | ¥204 | - | - |
| Google Vertex | Token | ¥2.38 | ¥285.6 | - | - |
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| 视频&绘图 | Token | ¥0.5 | ¥60 | - | - |
Price range ¥0.75 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| gemini生图 | Token | ¥0.75 | ¥90 | ¥0.075 | ¥0.75 |
Price range ¥2.8 / 1M tokens
| Channel | Billing | Input | Output | Cache hit | Cache write |
|---|---|---|---|---|---|
| gemini_ultra | Token | ¥2.8 | ¥336 | - | - |
How should NanoBanana 2 relay pricing be compared?
This NanoBanana 2 pricing page compares official pricing with public prices from 34 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: 10/25/2026, 23:15.
- 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.