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Run: 2026-04-25-01KQ2GTS6ZE748FQK1YNC2K43Q
Run Details
Model:
DeepSeek V4 Pro
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
15.7s
Cost:
$0.001037
Provider:
Together
Evaluation summary
Score
Evaluator
Details Link
4.30%
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
The mansion’s grand foyer glowed under a crystal chandelier, its fractured light scattering against marble floors. Detective Crane studied the lifeless millionaire sprawled near the grandfather clock, his expression frozen in terror. A shattered champagne flute lay beside one outstretched hand, its sweet golden puddle slowly seeping into priceless silk. The locked library door stood ominously ajar, its brass key still dangling from the interior keyhole. Every window remained firmly latched from inside, their cold panes revealing only the moonlit, empty garden. The victim’s untouched dinner sat on a silver tray, its perfect portions chilling beneath congealing brown gravy. A faint, acrid scent of burnt almonds lingered near his slightly blue lips, an impossible whisper of violence. No weapon could be seen anywhere near the body, yet a single crimson drop stained his starched collar. Inspector Crane knelt down, her sharp eyes tracing a delicate, almost invisible scratch along the polished floor. Someone had orchestrated a perfect, silent murder within a room sealed tighter than a winter tomb.
created_at
"2026-04-25T14:31:22.594Z"
4/25/2026, 2:31:22 PM
model
"deepseek/deepseek-v4-pro-20260423"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
9234
moderation_latency
(null)
generation_time
15354
tokens_prompt
46
tokens_completion
279
native_tokens_prompt
39
native_tokens_completion
217
native_tokens_completion_images
(null)
native_tokens_reasoning
0
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"
usage
0.0010367
router
(null)
provider_responses
0
endpoint_id
"d084170b-dd99-4e53-9ae1-b63881f3cfbf"
is_byok
false
latency
262
model_permaslug
"deepseek/deepseek-v4-pro-20260423"
provider_name
"DeepSeek"
status
429
1
endpoint_id
"13bda129-f8a6-4a60-b1db-98082e5f7ccd"
id
"ogZfsUj-2dTqGa-9f1e0d0ff55fd116"
is_byok
false
latency
9227
model_permaslug
"deepseek/deepseek-v4-pro-20260423"
provider_name
"Together"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer
(null)
request_id
"req-1777127482-RpEf0GH4YMCMqcEFpe52"
session_id
(null)
api_type
"completions"
id
"gen-1777127482-Zfz0vMUaLJkwg9EpZ971"
upstream_id
"ogZfsUj-2dTqGa-9f1e0d0ff55fd116"
total_cost
0.0010367
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Together"
response_cache_source_id
(null)
Evaluation details
Result
Evaluator
Details
Meta Data
4.30%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
16
1
16
2
18
3
16
4
16
5
17
6
18
7
18
8
17
9
16