gemini-3.1-pro-preview vs kimi-k2.5: pricing and capabilities compared
In each model's cheapest group on this site, gemini-3.1-pro-preview costs ¥4 input and ¥24 output (Standard group) and kimi-k2.5 costs ¥5.6 input and ¥29.4 output (China Models group), per 1M tokens.
gemini-3.1-pro-preview is cheaper on input and output, by 29% and 18% respectively.
Only gemini-3.1-pro-preview has a cache-read price on this site (¥0.4 per 1M tokens).
gemini-3.1-pro-preview is offered in 4 groups and kimi-k2.5 in 4 groups. Groups offering both: Standard; a key in any of them can call either model.
Prices updated Nov 13, 2026, 5:58 PM
At a glance
| Item | gemini-3.1-pro-preview | kimi-k2.5 |
|---|---|---|
| Vendor | Moonshot Kimi | |
| Billing | Per token | Per token |
| Cheapest group | Standard | China Models |
| Input ¥ per 1M tokens | ¥429% lower | ¥5.6 |
| Output ¥ per 1M tokens | ¥2418% lower | ¥29.4 |
| Cache read ¥ per 1M tokens | ¥0.4 | — |
| Groups | 4 groups | 4 groups |
| Input types | — | — |
| Output types | — | — |
| Capability tags | Reasoning and Multimodal | Vision, Multimodal and Reasoning |
| Endpoints | Chat Completions and Gemini generateContent | Chat Completions |
| Available since | Feb 20, 2026 | Feb 06, 2026 |
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 | Input ¥ per 1M tokens | Output ¥ per 1M tokens | Cache read ¥ per 1M tokens |
|---|---|---|---|
| StandardCheapestBoth | ¥4 | ¥24 | ¥0.4 |
| Official · Enterprise | ¥21.9 | ¥131.4 | ¥2.19 |
| Gemini Plus | ¥8 | ¥48 | ¥0.8 |
| Gemini High Tier | ¥12 | ¥72 | ¥1.2 |
| Group | Input ¥ per 1M tokens | Output ¥ per 1M tokens |
|---|---|---|
| StandardBoth | ¥8 | ¥42 |
| Azure Plus | ¥12 | ¥63 |
| OpenAI Direct | ¥18 | ¥94.5 |
| China ModelsCheapest | ¥5.6 | ¥29.4 |
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.
- On unit prices alone (each at its cheapest group): gemini-3.1-pro-preview is cheaper on input and output, so the same token usage costs less.
- If you need a cache-read price: only gemini-3.1-pro-preview has one on this site (¥0.4 per 1M tokens); kimi-k2.5 has no separate price for cached input.
- 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 Gemini generateContent: of the two, only gemini-3.1-pro-preview supports it on this site.
- If production needs a known request source, use official or cloud groups. gemini-3.1-pro-preview: Official · Enterprise, Gemini Plus and Gemini High Tier; kimi-k2.5: Azure Plus and OpenAI Direct.
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.
- gemini-3.1-pro-preview: prices in every group, availability and API docs
- kimi-k2.5: prices in every group, availability and API docs
- Every Google model and its price
- Every Moonshot Kimi model and its price
- Chat Completions API reference
- Gemini generateContent 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
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FAQ
Which is cheaper, gemini-3.1-pro-preview or kimi-k2.5?
In each model's cheapest group on this site, gemini-3.1-pro-preview costs ¥4 input and ¥24 output (Standard group) and kimi-k2.5 costs ¥5.6 input and ¥29.4 output (China Models group), per 1M tokens. gemini-3.1-pro-preview is cheaper on input and output, by 29% and 18% respectively. Only gemini-3.1-pro-preview has a cache-read price on this site (¥0.4 per 1M tokens). What you actually pay depends on the split between input and output tokens and on the group you use. Prices updated Nov 13, 2026, 5:58 PM.
How do I call gemini-3.1-pro-preview and kimi-k2.5?
Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use gemini-3.1-pro-preview or kimi-k2.5 as the model. gemini-3.1-pro-preview supports: Chat Completions and Gemini generateContent. kimi-k2.5 supports: Chat Completions.
Which groups offer gemini-3.1-pro-preview and kimi-k2.5?
gemini-3.1-pro-preview: Standard, Official · Enterprise, Gemini Plus and Gemini High Tier. kimi-k2.5: Standard, Azure Plus, OpenAI Direct 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, 5:58 PM.