gpt-image-2 vs z-image-turbo: pricing and capabilities compared
In each model's cheapest group on this site, gpt-image-2 costs ¥0.12 per request (Standard group) and z-image-turbo costs ¥0.14 (China Models group).
gpt-image-2 is 14% cheaper on price per request.
gpt-image-2 is offered in 1 group and z-image-turbo in 2 groups. Groups offering both: Standard; a key in any of them can call either model.
Prices updated Nov 13, 2026, 5:53 PM
At a glance
| Item | gpt-image-2 | z-image-turbo |
|---|---|---|
| Vendor | OpenAI | Qwen |
| Billing | Per request | Per request |
| Cheapest group | Standard | China Models |
| Per request ¥ | ¥0.1214% lower | ¥0.14 |
| Groups | 1 group | 2 groups |
| Input types | — | — |
| Output types | — | — |
| Capability tags | Image editing | — |
| Endpoints | Chat Completions and Image generation | Chat Completions |
| Available since | Apr 20, 2026 | Dec 01, 2025 |
Prices are each model's cheapest group, in CNY; the side marked "lower" is cheaper. Data comes from our price list and model catalog; anything not listed shows as —.
Prices in every group
The same model costs different amounts in different groups; a key's group decides its line and its price.
| Group | Per request ¥ |
|---|---|
| StandardBoth | ¥0.12 |
| Group | Per request ¥ |
|---|---|
| StandardBoth | ¥0.2 |
| China ModelsCheapest | ¥0.14 |
How to choose
These points use each model's cheapest-group prices and catalog data. Before going live, run real requests with a key in your target group and check quality, speed and billing.
- Per-request billing: gpt-image-2 is 14% cheaper per request (¥0.12 vs ¥0.14).
- Both support Chat Completions, so requests look the same and switching means changing the model parameter (the key's groups must offer both models).
- To call through Image generation: of the two, only gpt-image-2 supports it on this site.
How to call them
Both models work with a Tutujin API key: set your SDK's base_url to https://www.tutujin.com/v1 and use the model name; everything else is written as with the official SDK.
- gpt-image-2: prices in every group, availability and API docs
- z-image-turbo: prices in every group, availability and API docs
- Every OpenAI model and its price
- Every Qwen model and its price
- Chat Completions API reference
- Image generation API reference
- Quickstart: create a key and send your first request
- How to choose a group
- Models page: every model with prices in every group
- How billing works: pay as you go, groups and balance
More comparisons
- gpt-image-2 vs nano-banana-pro
- gpt-image-2 vs gemini-3.1-flash-lite-image
- gpt-image-2 vs gemini-nano-banana-2.1
- gpt-image-2 vs qwen-image-edit
- gpt-image-2 vs grok-imagine-image-2.0
- nano-banana-pro vs z-image-turbo
- gemini-3.1-flash-lite-image vs z-image-turbo
- gemini-nano-banana-2.1 vs z-image-turbo
- z-image-turbo vs grok-imagine-image-2.0
FAQ
Which is cheaper, gpt-image-2 or z-image-turbo?
In each model's cheapest group on this site, gpt-image-2 costs ¥0.12 per request (Standard group) and z-image-turbo costs ¥0.14 (China Models group). gpt-image-2 is 14% cheaper on price per request. What you actually pay depends on the split between input and output tokens and on the group you use. Prices updated Nov 13, 2026, 5:53 PM.
How do I call gpt-image-2 and z-image-turbo?
Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use gpt-image-2 or z-image-turbo as the model. gpt-image-2 supports: Chat Completions and Image generation. z-image-turbo supports: Chat Completions.
Which groups offer gpt-image-2 and z-image-turbo?
gpt-image-2: Standard. z-image-turbo: Standard and China Models. Groups offering both: Standard; a key in any of them can call either model.
Where do the prices on this page come from?
From our live price list — the same data as the model pages and the models page — shown for each model's cheapest group. Prices updated Nov 13, 2026, 5:53 PM.