gemini-3.1-pro-preview vs deepseek-v4.1-flash: 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 deepseek-v4.1-flash costs ¥2.8 input and ¥11.2 output (China Models group), per 1M tokens.
deepseek-v4.1-flash is cheaper on input, output and cache reads, by 30%, 53% and 86% respectively.
gemini-3.1-pro-preview is offered in 4 groups and deepseek-v4.1-flash in 2 groups. Groups offering both: Standard; a key in any of them can call either model.
Prices updated Nov 13, 2026, 5:48 PM
At a glance
| Item | gemini-3.1-pro-preview | deepseek-v4.1-flash |
|---|---|---|
| Vendor | DeepSeek | |
| Billing | Per token | Per token |
| Cheapest group | Standard | China Models |
| Input ¥ per 1M tokens | ¥4 | ¥2.830% lower |
| Output ¥ per 1M tokens | ¥24 | ¥11.253% lower |
| Cache read ¥ per 1M tokens | ¥0.4 | ¥0.05686% lower |
| Groups | 4 groups | 2 groups |
| Input types | — | text |
| Output types | — | text |
| Capability tags | Reasoning and Multimodal | Reasoning |
| Endpoints | Chat Completions and Gemini generateContent | Chat Completions |
| Available since | Feb 20, 2026 | Sep 11, 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 | Cache read ¥ per 1M tokens |
|---|---|---|---|
| StandardBoth | ¥4 | ¥16 | ¥0.08 |
| China ModelsCheapest | ¥2.8 | ¥11.2 | ¥0.056 |
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): deepseek-v4.1-flash 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-3.1-pro-preview ¥0.4, deepseek-v4.1-flash ¥0.056 (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-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; deepseek-v4.1-flash: 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-3.1-pro-preview: prices in every group, availability and API docs
- deepseek-v4.1-flash: prices in every group, availability and API docs
- Every Google model and its price
- Every DeepSeek 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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- deepseek-v4.1-flash vs qwen3.5-plus
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- gemini-4-argon vs deepseek-v4.1-flash
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- deepseek-v4.1-flash vs MiniMax-M2.7
- deepseek-v4.1-flash vs grok-4.6
- deepseek-v4.1-flash vs grok-4.7
FAQ
Which is cheaper, gemini-3.1-pro-preview or deepseek-v4.1-flash?
In each model's cheapest group on this site, gemini-3.1-pro-preview costs ¥4 input and ¥24 output (Standard group) and deepseek-v4.1-flash costs ¥2.8 input and ¥11.2 output (China Models group), per 1M tokens. deepseek-v4.1-flash is cheaper on input, output and cache reads, by 30%, 53% and 86% 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, 5:48 PM.
How do I call gemini-3.1-pro-preview and deepseek-v4.1-flash?
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 deepseek-v4.1-flash as the model. gemini-3.1-pro-preview supports: Chat Completions and Gemini generateContent. deepseek-v4.1-flash supports: Chat Completions.
Which groups offer gemini-3.1-pro-preview and deepseek-v4.1-flash?
gemini-3.1-pro-preview: Standard, Official · Enterprise, Gemini Plus and Gemini High Tier. deepseek-v4.1-flash: 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, 5:48 PM.