Identity confirmedModel verified
Confirmed as the official deepseek-v4.1-flash
Behavior matches the official deepseek-v4.1-flash.
Brand consistency97/100
Model match score (deepseek-v4.1-flash)97/100
Checks15/17 Passed
- Providers
- niahub.cn
- Claimed model
- deepseek-v4.1-flash
- Plan
- Full check
- Reference
- 101 official models
- Requests
- 16
- Duration
- 1 分钟
01Identity check
Behaviour compared with each official referenceIndependent sample A采样 AValidIndependent sample B采样 BValidIndependent sample C采样 CValidReference101 official models · 3/3 Valid
Answer by answer3 answers: 2 match deepseek-v4.1-flash；another 1 match no model clearly on their own
Similarity to official modelsTop 5
- deepseek-v4.1-flashClaimed model97%
- gpt-5.52%
- qwen3.8-max<1%
- gpt-5.6-luna<1%
- gpt-5<1%
02Test details
17 items · 15 passed · 2 notes · 0 failed| No. | Check | Result | Methodology |
|---|---|---|---|
| Connectivity & auth | |||
| A-01 | Endpoint reachable | Passed | The endpoint responds normally |
| A-02 | Key authentication | Passed | API key is valid and allowed to make calls |
| A-03 | Model on sale | Passed | The model list includes deepseek-v4.1-flash |
| API conformance | |||
| B-01 | Basic call | Passed | Returns the expected content as instructed |
| B-02 | Response structure | Meets the spec | All OpenAI-compatible fields are present |
| B-03 | Model ID echoed back | Match | The model ID in the response matches the request |
| B-04 | Usage record | Complete and consistent | Input, output and total are all present, and the total equals the sum |
| B-05 | Output cleanliness | Nothing added | No inserted ads, watermarks or extra notes found |
| Identity check | |||
| C-01 | Independent sampling | 3 / 3 valid | All independent samples can be used for comparison |
| C-02 | Brand consistency | Match | Behavior belongs to the DeepSeek family; brand match score 97 |
| C-03 | Model consistency | Match | 与官方 deepseek-v4.1-flash 吻合，型号一致度 97 |
| C-04 | Cross-brand swap check | None found | Similarity to other brands' models totals under 5% |
| Billing & capabilities | |||
| D-01 | Cache billing | Partly works | On average 72% of repeated requests were billed at the cache price; the rest at the regular price. |
| D-02 | Context length | 128K passed | 32K / 128K: every tier was read in full. |
| D-03 | Streaming output | Normal | Streamed content is complete |
| D-04 | Tool use | Supported | Returns the correct function name and arguments |
| D-05 | Structured output | Did not follow the schema | The response did not follow the required JSON schema |
Cache billing check
The same long content was sent 5 times: the 1st is billed at the regular price, and from the 2nd on the repeated part should be billed at the cache price.
Cache billing ratio72.2%
Partly works
On average 72% of repeated requests were billed at the cache price; the rest at the regular price.
Usage this run26.6KCached tokens15.4KNon-cached tokens11.3KAverage per run5.3K
Usage reportedReportedCache billingHappenedResultPartly works
Cache share by testThis is only the cache share the endpoint reported; the real discount is on the bill
Context length check
Long documents are sent tier by tier to check whether the whole document is read.
Verified up to 128K
32K / 128K: every tier was read in full.
Reference windowVerified up to 128KThe model center has no reference context window for this model yet.Tested context lengths32K / 128KTested from short to long, stopping at the first failure.
- 32KRead in full · 27.8K received
- 128KRead in full · 121.9K received
Token usage check
Reported usage is used; estimates appear only when none is reported.
Reported usage203.5KThe actual usage reported by the API; this page goes by it.Estimated usage157.4K-272.3KEstimated from this test's requests.DeviationWithin the estimateThe reported usage is within the estimated range.Usage checkMatches the estimateFigures are as reported by the API; your bill is authoritative.
Method: independent samples from the tested endpoint are compared against reference samples collected from official channels; billing, context and capability items come from real calls. API keys, request bodies and raw model output are not stored.
This report reflects the endpoint at the time of testing.
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Mozhenzhen verification report · Measured with real calls
deepseek-v4.1-flash verification report
Identity confirmedModel verified
Confirmed as the official deepseek-v4.1-flash
Behavior matches the official deepseek-v4.1-flash.
Brand consistency97/100
Model match score (deepseek-v4.1-flash)97/100
Checks15/17 Passed
- Providers
- niahub.cn
- Claimed model
- deepseek-v4.1-flash
- Plan
- Full check
- Reference
- 101 official models
- Requests
- 16
- Duration
- 1 分钟
01Identity check
Behaviour compared with each official referenceIndependent sample A采样 AValidIndependent sample B采样 BValidIndependent sample C采样 CValidReference101 official models · 3/3 Valid
Answer by answer3 answers: 2 match deepseek-v4.1-flash；another 1 match no model clearly on their own
Similarity to official modelsTop 5
- deepseek-v4.1-flashClaimed model97%
- gpt-5.52%
- qwen3.8-max<1%
- gpt-5.6-luna<1%
- gpt-5<1%
02Test details
17 items · 15 passed · 2 notes · 0 failed| No. | Check | Result | Methodology |
|---|---|---|---|
| Connectivity & auth | |||
| A-01 | Endpoint reachable | Passed | The endpoint responds normally |
| A-02 | Key authentication | Passed | API key is valid and allowed to make calls |
| A-03 | Model on sale | Passed | The model list includes deepseek-v4.1-flash |
| API conformance | |||
| B-01 | Basic call | Passed | Returns the expected content as instructed |
| B-02 | Response structure | Meets the spec | All OpenAI-compatible fields are present |
| B-03 | Model ID echoed back | Match | The model ID in the response matches the request |
| B-04 | Usage record | Complete and consistent | Input, output and total are all present, and the total equals the sum |
| B-05 | Output cleanliness | Nothing added | No inserted ads, watermarks or extra notes found |
| Identity check | |||
| C-01 | Independent sampling | 3 / 3 valid | All independent samples can be used for comparison |
| C-02 | Brand consistency | Match | Behavior belongs to the DeepSeek family; brand match score 97 |
| C-03 | Model consistency | Match | 与官方 deepseek-v4.1-flash 吻合，型号一致度 97 |
| C-04 | Cross-brand swap check | None found | Similarity to other brands' models totals under 5% |
| Billing & capabilities | |||
| D-01 | Cache billing | Partly works | On average 72% of repeated requests were billed at the cache price; the rest at the regular price. |
| D-02 | Context length | 128K passed | 32K / 128K: every tier was read in full. |
| D-03 | Streaming output | Normal | Streamed content is complete |
| D-04 | Tool use | Supported | Returns the correct function name and arguments |
| D-05 | Structured output | Did not follow the schema | The response did not follow the required JSON schema |
Cache billing check
The same long content was sent 5 times: the 1st is billed at the regular price, and from the 2nd on the repeated part should be billed at the cache price.
Cache billing ratio72.2%
Partly works
On average 72% of repeated requests were billed at the cache price; the rest at the regular price.
Usage this run26.6KCached tokens15.4KNon-cached tokens11.3KAverage per run5.3K
Usage reportedReportedCache billingHappenedResultPartly works
Cache share by testThis is only the cache share the endpoint reported; the real discount is on the bill
Context length check
Long documents are sent tier by tier to check whether the whole document is read.
Verified up to 128K
32K / 128K: every tier was read in full.
Reference windowVerified up to 128KThe model center has no reference context window for this model yet.Tested context lengths32K / 128KTested from short to long, stopping at the first failure.
- 32KRead in full · 27.8K received
- 128KRead in full · 121.9K received
Token usage check
Reported usage is used; estimates appear only when none is reported.
Reported usage203.5KThe actual usage reported by the API; this page goes by it.Estimated usage157.4K-272.3KEstimated from this test's requests.DeviationWithin the estimateThe reported usage is within the estimated range.Usage checkMatches the estimateFigures are as reported by the API; your bill is authoritative.
Method: independent samples from the tested endpoint are compared against reference samples collected from official channels; billing, context and capability items come from real calls. API keys, request bodies and raw model output are not stored.
This report reflects the endpoint at the time of testing.