gemini-4-carbon vs kimi-k3.1-pro: pricing and capabilities compared
In each model's cheapest group on this site, gemini-4-carbon costs ¥8 input and ¥40 output (Standard group) and kimi-k3.1-pro costs ¥18.2 input and ¥95.19 output (China Models group), per 1M tokens.
gemini-4-carbon is cheaper on input, output and cache reads, by 56%, 58% and 78% respectively.
gemini-4-carbon is offered in 4 groups and kimi-k3.1-pro in 2 groups. Groups offering both: Standard; a key in any of them can call either model.
Prices updated Nov 13, 2026, 6:08 PM
At a glance
| Item | gemini-4-carbon | kimi-k3.1-pro |
|---|---|---|
| Vendor | Moonshot Kimi | |
| Billing | Per token | Per token |
| Cheapest group | Standard | China Models |
| Input ¥ per 1M tokens | ¥856% lower | ¥18.2 |
| Output ¥ per 1M tokens | ¥4058% lower | ¥95.19 |
| Cache read ¥ per 1M tokens | ¥0.478% lower | ¥1.82 |
| Groups | 4 groups | 2 groups |
| Input types | text and images | text and images |
| Output types | text | text |
| Capability tags | Vision and Reasoning | Vision, Multimodal, Tool use, Reasoning and File analysis |
| Endpoints | Chat Completions and Gemini generateContent | Chat Completions |
| Available since | Oct 13, 2026 | Oct 24, 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 | ¥8 | ¥40 | ¥0.4 |
| Official · Enterprise | ¥43.8 | ¥219 | ¥2.19 |
| Gemini Plus | ¥16 | ¥80 | ¥0.8 |
| Gemini High Tier | ¥24 | ¥120 | ¥1.2 |
| Group | Input ¥ per 1M tokens | Output ¥ per 1M tokens | Cache read ¥ per 1M tokens |
|---|---|---|---|
| StandardBoth | ¥26 | ¥135.98 | ¥2.6 |
| China ModelsCheapest | ¥18.2 | ¥95.19 | ¥1.82 |
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-4-carbon is cheaper on input, output and cache reads, so the same token usage costs less.
- When you resend the same long prefix (a fixed system prompt, the same long document), cached input is billed at the cache-read price: gemini-4-carbon ¥0.4, kimi-k3.1-pro ¥1.82 (per 1M tokens).
- 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-4-carbon supports it on this site.
- If production needs a known request source, use official or cloud groups. gemini-4-carbon: Official · Enterprise, Gemini Plus and Gemini High Tier; kimi-k3.1-pro: none 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.
- gemini-4-carbon: prices in every group, availability and API docs
- kimi-k3.1-pro: 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
More comparisons
FAQ
Which is cheaper, gemini-4-carbon or kimi-k3.1-pro?
In each model's cheapest group on this site, gemini-4-carbon costs ¥8 input and ¥40 output (Standard group) and kimi-k3.1-pro costs ¥18.2 input and ¥95.19 output (China Models group), per 1M tokens. gemini-4-carbon is cheaper on input, output and cache reads, by 56%, 58% and 78% respectively. What you actually pay depends on the split between input and output tokens and on the group you use. Prices updated Nov 13, 2026, 6:08 PM.
How do I call gemini-4-carbon and kimi-k3.1-pro?
Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use gemini-4-carbon or kimi-k3.1-pro as the model. gemini-4-carbon supports: Chat Completions and Gemini generateContent. kimi-k3.1-pro supports: Chat Completions.
Which groups offer gemini-4-carbon and kimi-k3.1-pro?
gemini-4-carbon: Standard, Official · Enterprise, Gemini Plus and Gemini High Tier. kimi-k3.1-pro: Standard and China Models. Groups offering both: Standard; a key in any of them can call either model.
What input types do gemini-4-carbon and kimi-k3.1-pro take?
gemini-4-carbon takes text and images and returns text. kimi-k3.1-pro takes text and images and returns text.
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, 6:08 PM.