gpt-5.4-mini vs gemini-3.8-flash: pricing and capabilities compared
In each model's cheapest group on this site, gpt-5.4-mini costs ¥1.5 input and ¥9 output (Standard group) and gemini-3.8-flash costs ¥1.5 input and ¥7.5 output (Standard group), per 1M tokens.
gemini-3.8-flash is 17% cheaper on output; both cost the same for input; both cost the same for cache reads.
gpt-5.4-mini is offered in 6 groups and gemini-3.8-flash in 4 groups. Groups offering both: Standard and Official · Enterprise; a key in any of them can call either model.
Prices updated Nov 13, 2026, 5:53 PM
At a glance
| Item | gpt-5.4-mini | gemini-3.8-flash |
|---|---|---|
| Vendor | OpenAI | |
| Billing | Per token | Per token |
| Cheapest group | Standard | Standard |
| Input ¥ per 1M tokens | ¥1.5 | ¥1.5 |
| Output ¥ per 1M tokens | ¥9 | ¥7.517% lower |
| Cache read ¥ per 1M tokens | ¥0.15 | ¥0.15 |
| Groups | 6 groups | 4 groups |
| Input types | — | text, images, video and audio |
| Output types | — | text |
| Capability tags | Multimodal and Reasoning | Vision and Reasoning |
| Endpoints | Chat Completions | Chat Completions and Gemini generateContent |
| Available since | Mar 18, 2026 | Aug 21, 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 | ¥9 | ¥0.15 |
| Azure | ¥1.5 | ¥9 | ¥0.15 |
| Azure Plus | ¥2.25 | ¥13.5 | ¥0.225 |
| OpenAI Direct | ¥3.38 | ¥20.25 | ¥0.338 |
| OpenAI Direct Plus | ¥4.5 | ¥27 | ¥0.45 |
| Official · EnterpriseBoth | ¥8.21 | ¥49.27 | ¥0.821 |
| Group | Input ¥ per 1M tokens | Output ¥ per 1M tokens | Cache read ¥ per 1M tokens |
|---|---|---|---|
| StandardCheapestBoth | ¥1.5 | ¥7.5 | ¥0.15 |
| Official · EnterpriseBoth | ¥8.21 | ¥41.06 | ¥0.821 |
| Gemini Plus | ¥3 | ¥15 | ¥0.3 |
| Gemini High Tier | ¥4.5 | ¥22.5 | ¥0.45 |
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-3.8-flash is cheaper on output and the same on the rest, so the same token usage never costs more.
- When you resend the same long prefix (a fixed system prompt, the same long document), cached input is billed at the cache-read price: gpt-5.4-mini ¥0.15, gemini-3.8-flash ¥0.15 (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-3.8-flash supports it on this site.
- If production needs a known request source, use official or cloud groups. gpt-5.4-mini: Azure, Azure Plus, OpenAI Direct, OpenAI Direct Plus and Official · Enterprise; gemini-3.8-flash: Official · Enterprise, Gemini Plus and Gemini High Tier.
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.
- gpt-5.4-mini: prices in every group, availability and API docs
- gemini-3.8-flash: prices in every group, availability and API docs
- Every OpenAI model and its price
- Every Google 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
- gpt-5.4-mini vs claude-haiku-5-5
- gpt-5.4-mini vs claude-sonnet-5-5
- gpt-5.4-mini vs deepseek-v4.1-flash
- gpt-5.4-mini vs qwen3.5-plus
- claude-haiku-5-5 vs gemini-3.8-flash
- claude-sonnet-5-5 vs gemini-3.8-flash
- gemini-3.8-flash vs deepseek-v4.1-flash
- gemini-3.8-flash vs qwen3.5-plus
- gpt-5.4-mini vs glm-5.3-flash
- gemini-3.8-flash vs glm-5.3-flash
FAQ
Which is cheaper, gpt-5.4-mini or gemini-3.8-flash?
In each model's cheapest group on this site, gpt-5.4-mini costs ¥1.5 input and ¥9 output (Standard group) and gemini-3.8-flash costs ¥1.5 input and ¥7.5 output (Standard group), per 1M tokens. gemini-3.8-flash is 17% cheaper on output; both cost the same for input; both cost the same for 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 gpt-5.4-mini and gemini-3.8-flash?
Create an API key in the console, set your SDK's base_url to https://www.tutujin.com/v1 and use gpt-5.4-mini or gemini-3.8-flash as the model. gpt-5.4-mini supports: Chat Completions. gemini-3.8-flash supports: Chat Completions and Gemini generateContent.
Which groups offer gpt-5.4-mini and gemini-3.8-flash?
gpt-5.4-mini: Standard, Azure, Azure Plus, OpenAI Direct, OpenAI Direct Plus and Official · Enterprise. gemini-3.8-flash: Standard, Official · Enterprise, Gemini Plus and Gemini High Tier. Groups offering both: Standard and Official · Enterprise; 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.