Identity confirmedModel verified
Confirmed as the official claude-fable-5-1
Behavior matches the official claude-fable-5-1.
Brand consistency100/100
Model match score (claude-fable-5-1)99/100
Checks14/17 Passed
- Providers
- infistar.cc
- Claimed model
- claude-fable-5-1
- Plan
- Full check
- Reference
- 102 official models
- Requests
- 19
- Duration
- 7 分钟
01Identity check
Behaviour compared with each official referenceIndependent sample A采样 AValidIndependent sample B采样 BValidIndependent sample C采样 CInvalidIndependent sample D采样 DValidIndependent sample E采样 EInvalidIndependent sample F采样 FValidReference102 official models · 4/6 Valid
Answer by answer4 answers: 4 match claude-fable-5-1
Similarity to official modelsTop 5
- claude-fable-5-1Claimed model99%
- claude-fable-5<1%
- kimi-k3<1%
- claude-sonnet-5-5<1%
- claude-sonnet-5<1%
02Test details
17 items · 14 passed · 3 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 claude-fable-5-1 |
| 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 | 4 / 6 valid | 首轮未能判定，已追加一轮；部分采样结果不可用于比对 |
| C-02 | Brand consistency | Match | Behavior belongs to the Anthropic Claude family; brand match score 100 |
| C-03 | Model consistency | Match | 与官方 claude-fable-5-1 吻合，型号一致度 99 |
| C-04 | Cross-brand swap check | None found | Similarity to other brands' models totals under 1% |
| Billing & capabilities | |||
| D-01 | Cache billing | Does not work | The vendor offers a cache price for this model, but none of the repeated requests were billed at it. |
| 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 ratio0.0%
Does not work
The vendor offers a cache price for this model, but none of the repeated requests were billed at it.
Usage this run49.7KCached tokens0Non-cached tokens49.7KAverage per run9.9K
Usage reportedReportedCache billingDid not happenResultDoes not work
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 · 45.1K received
- 128KRead in full · 119.3K received
Token usage check
Reported usage is used; estimates appear only when none is reported.
Reported usage225.2KThe actual usage reported by the API; this page goes by it.Estimated usage157.4K-302.3KEstimated 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.
Post an anonymous comment
Before you buy AI, check MozhenzhenScan to view reportOpen full report
Mozhenzhen verification report · Measured with real calls
claude-fable-5-1 verification report
Identity confirmedModel verified
Confirmed as the official claude-fable-5-1
Behavior matches the official claude-fable-5-1.
Brand consistency100/100
Model match score (claude-fable-5-1)99/100
Checks14/17 Passed
- Providers
- infistar.cc
- Claimed model
- claude-fable-5-1
- Plan
- Full check
- Reference
- 102 official models
- Requests
- 19
- Duration
- 7 分钟
01Identity check
Behaviour compared with each official referenceIndependent sample A采样 AValidIndependent sample B采样 BValidIndependent sample C采样 CInvalidIndependent sample D采样 DValidIndependent sample E采样 EInvalidIndependent sample F采样 FValidReference102 official models · 4/6 Valid
Answer by answer4 answers: 4 match claude-fable-5-1
Similarity to official modelsTop 5
- claude-fable-5-1Claimed model99%
- claude-fable-5<1%
- kimi-k3<1%
- claude-sonnet-5-5<1%
- claude-sonnet-5<1%
02Test details
17 items · 14 passed · 3 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 claude-fable-5-1 |
| 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 | 4 / 6 valid | 首轮未能判定，已追加一轮；部分采样结果不可用于比对 |
| C-02 | Brand consistency | Match | Behavior belongs to the Anthropic Claude family; brand match score 100 |
| C-03 | Model consistency | Match | 与官方 claude-fable-5-1 吻合，型号一致度 99 |
| C-04 | Cross-brand swap check | None found | Similarity to other brands' models totals under 1% |
| Billing & capabilities | |||
| D-01 | Cache billing | Does not work | The vendor offers a cache price for this model, but none of the repeated requests were billed at it. |
| 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 ratio0.0%
Does not work
The vendor offers a cache price for this model, but none of the repeated requests were billed at it.
Usage this run49.7KCached tokens0Non-cached tokens49.7KAverage per run9.9K
Usage reportedReportedCache billingDid not happenResultDoes not work
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 · 45.1K received
- 128KRead in full · 119.3K received
Token usage check
Reported usage is used; estimates appear only when none is reported.
Reported usage225.2KThe actual usage reported by the API; this page goes by it.Estimated usage157.4K-302.3KEstimated 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.