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Run: 2026-09-02-01M1HCXBC563VWX0WMAYZK1SNN
Run Details
Model:
Qwen 3.8 Max (Reasoning, XHigh)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
1m 9s
Cost:
$0.018856
Provider:
Alibaba
Evaluation summary
Score
Evaluator
Details Link
100.00%
Matches word count
(details)
Model input
User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.
Model response
Messages
Meta
AI
Rain hammered the manor windows as the butler discovered Lord Ashford dead beside the shattered library clock at midnight exactly. A silver dagger lay in his back, reflecting candlelight while thunder hid every distant scream from the sleeping village below. Detective Mara Vale arrived soaking wet, noting the locked door, the missing key, and the widow's pale, very composed face. Only one guest had entered since dinner, yet no one remembered seeing a second shadow cross the dark crimson carpet. Then the corpse's hand twitched, revealing a torn scrap of blue lace clutched tight against his cold, waxen, pale palm.
created_at
"2026-09-02T15:48:27.147Z"
9/2/2026, 3:48:27 PM
model
"qwen/qwen3.8-max-20260803"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
854
moderation_latency
(null)
generation_time
68932
tokens_prompt
46
tokens_completion
2794
native_tokens_prompt
98
native_tokens_completion
3110
native_tokens_completion_images
(null)
native_tokens_reasoning
2978
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
service_tier
(null)
usage
0.018856
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer
(null)
request_id
"req-1788364107-zKM0fcl9ITBpKgslpgcm"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1788364107-s52wODWEu56EzsgU8Yeh"
upstream_id
"chatcmpl-6907de6a-f934-92fc-8f3f-13cce8aaceeb"
provider_responses
0
endpoint_id
"6332e9fd-e0c4-4cae-8c17-d25bc774864a"
id
"chatcmpl-6907de6a-f934-92fc-8f3f-13cce8aaceeb"
is_byok
false
latency
854
model_permaslug
"qwen/qwen3.8-max-20260803"
provider_name
"Alibaba"
status
200
total_cost
0.018856
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Alibaba"
response_cache_source_id
(null)
data_region
"global"
workspace_id
"97e315e5-d303-487d-83c1-83180e8a13d4"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Matches word count
n/a
neededClean
false
sentences
5
wordCounts
0
20
1
20
2
20
3
20
4
20