gemini-3.8-flash vs glm-5.3-flash: pricing and capabilities compared
In each model's cheapest group on this site, gemini-3.8-flash costs ¥1.5 input and ¥7.5 output (Standard group) and glm-5.3-flash costs ¥0.64 input and ¥2.24 output (China Models 2 group), per 1M tokens.
glm-5.3-flash is 57% cheaper on input; glm-5.3-flash is 70% cheaper on output; gemini-3.8-flash is 18% cheaper on cache reads.
gemini-3.8-flash is offered in 4 groups and glm-5.3-flash 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 | gemini-3.8-flash | glm-5.3-flash |
|---|---|---|
| Vendor | Zhipu GLM | |
| Billing | Per token | Per token |
| Cheapest group | Standard | China Models 2 |
| Input ¥ per 1M tokens | ¥1.5 | ¥0.6457% lower |
| Output ¥ per 1M tokens | ¥7.5 | ¥2.2470% lower |
| Cache read ¥ per 1M tokens | ¥0.1518% lower | ¥0.184 |
| Groups | 4 groups | 2 groups |
| Input types | text, images, video and audio | text, images and video |
| Output types | text | text |
| Capability tags | Vision and Reasoning | Multimodal |
| Endpoints | Chat Completions and Gemini generateContent | Chat Completions |
| Available since | Aug 21, 2026 | Aug 28, 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 | ¥1.5 | ¥7.5 | ¥0.15 |
| Official · Enterprise | ¥8.21 | ¥41.06 | ¥0.821 |
| Gemini Plus | ¥3 | ¥15 | ¥0.3 |
| Gemini High Tier | ¥4.5 | ¥22.5 | ¥0.45 |
| Group | Input ¥ per 1M tokens | Output ¥ per 1M tokens | Cache read ¥ per 1M tokens |
|---|---|---|---|
| StandardBoth | ¥0.8 | ¥2.8 | ¥0.23 |
| China Models 2Cheapest | ¥0.64 | ¥2.24 | ¥0.184 |
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): glm-5.3-flash has the lower input price (¥0.64 vs ¥1.5 per 1M tokens).
- Output-heavy work (long-form writing, long answers): glm-5.3-flash has the lower output price (¥2.24 vs ¥7.5 per 1M tokens).
- 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-3.8-flash ¥0.15, glm-5.3-flash ¥0.184 (per 1M tokens).
- If you need audio input: gemini-3.8-flash accepts audio; glm-5.3-flash lists text, images and video as 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-3.8-flash supports it on this site.
- If production needs a known request source, use official or cloud groups. gemini-3.8-flash: Official · Enterprise, Gemini Plus and Gemini High Tier; glm-5.3-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-3.8-flash: prices in every group, availability and API docs
- glm-5.3-flash: prices in every group, availability and API docs
- Every Google model and its price
- Every Zhipu GLM 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-3.8-flash or glm-5.3-flash?
In each model's cheapest group on this site, gemini-3.8-flash costs ¥1.5 input and ¥7.5 output (Standard group) and glm-5.3-flash costs ¥0.64 input and ¥2.24 output (China Models 2 group), per 1M tokens. glm-5.3-flash is 57% cheaper on input; glm-5.3-flash is 70% cheaper on output; gemini-3.8-flash is 18% cheaper on cache reads. 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 gemini-3.8-flash and glm-5.3-flash?
Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use gemini-3.8-flash or glm-5.3-flash as the model. gemini-3.8-flash supports: Chat Completions and Gemini generateContent. glm-5.3-flash supports: Chat Completions.
Which groups offer gemini-3.8-flash and glm-5.3-flash?
gemini-3.8-flash: Standard, Official · Enterprise, Gemini Plus and Gemini High Tier. glm-5.3-flash: Standard and China Models 2. Groups offering both: Standard; a key in any of them can call either model.
What input types do gemini-3.8-flash and glm-5.3-flash take?
gemini-3.8-flash takes text, images, video and audio and returns text. glm-5.3-flash takes text, images and video 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, 5:53 PM.