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deepseek-v4.1-flash vs qwen3.5-plus: pricing and capabilities compared

In each model's cheapest group on this site, deepseek-v4.1-flash costs ¥2.8 input and ¥11.2 output (China Models group) and qwen3.5-plus costs ¥1.12 input and ¥6.72 output (China Models group), per 1M tokens.

qwen3.5-plus is cheaper on input and output, by 60% and 40% respectively.

Only deepseek-v4.1-flash has a cache-read price on this site (¥0.056 per 1M tokens).

deepseek-v4.1-flash is offered in 2 groups and qwen3.5-plus in 2 groups. Groups offering both: Standard and China Models; a key in any of them can call either model.

Prices updated Nov 13, 2026, 5:53 PM

At a glance

At a glance
Itemdeepseek-v4.1-flashqwen3.5-plus
VendorDeepSeekQwen
BillingPer tokenPer token
Cheapest groupChina ModelsChina Models
Input ¥ per 1M tokens¥2.8¥1.1260% lower
Output ¥ per 1M tokens¥11.2¥6.7240% lower
Cache read ¥ per 1M tokens¥0.056—
Groups2 groups2 groups
Input typestext—
Output typestext—
Capability tagsReasoning—
EndpointsChat CompletionsChat Completions
Available sinceSep 11, 2026Feb 19, 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.

deepseek-v4.1-flash2 groups
GroupInput ¥ per 1M tokensOutput ¥ per 1M tokensCache read ¥ per 1M tokens
StandardBoth¥4¥16¥0.08
China ModelsCheapestBoth¥2.8¥11.2¥0.056
qwen3.5-plus2 groups
GroupInput ¥ per 1M tokensOutput ¥ per 1M tokens
StandardBoth¥1.6¥9.6
China ModelsCheapestBoth¥1.12¥6.72

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.

  • Input-heavy work (questions over long documents, classification, extraction): qwen3.5-plus has the lower input price (¥1.12 vs ¥2.8 per 1M tokens).
  • Output-heavy work (long-form writing, long answers): qwen3.5-plus has the lower output price (¥6.72 vs ¥11.2 per 1M tokens).
  • If you need a cache-read price: only deepseek-v4.1-flash has one on this site (¥0.056 per 1M tokens); qwen3.5-plus 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).

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.

More comparisons

FAQ

Which is cheaper, deepseek-v4.1-flash or qwen3.5-plus?

In each model's cheapest group on this site, deepseek-v4.1-flash costs ¥2.8 input and ¥11.2 output (China Models group) and qwen3.5-plus costs ¥1.12 input and ¥6.72 output (China Models group), per 1M tokens. qwen3.5-plus is cheaper on input and output, by 60% and 40% respectively. Only deepseek-v4.1-flash has a cache-read price on this site (¥0.056 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, 5:53 PM.

How do I call deepseek-v4.1-flash and qwen3.5-plus?

Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use deepseek-v4.1-flash or qwen3.5-plus as the model. deepseek-v4.1-flash supports: Chat Completions. qwen3.5-plus supports: Chat Completions.

Which groups offer deepseek-v4.1-flash and qwen3.5-plus?

deepseek-v4.1-flash: Standard and China Models. qwen3.5-plus: Standard and China Models. Groups offering both: Standard and China Models; 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.