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Run: 2026-04-25-01KQ2H7ER2WC95YPBMJ5BXYNM7
Run Details
Model:
DeepSeek V4 Pro
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
8.7s
Cost:
$0.000222
Provider:
DeepSeek
Evaluation summary
Score
Evaluator
Details Link
0.00%
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
The old Victorian manor loomed silently through the relentless, bone-chilling November rain. Detective Inspector Harding pulled his trench coat tighter against the penetrating, miserable dampness. Inside, the crystal chandelier cast fractured light upon a woman sprawled near the grand piano. Her lifeless eyes stared blankly at the ornate ceiling, her final expression frozen. A single crimson rose rested inexplicably across her still chest, seeming almost staged. No visible wounds marred her ivory skin, yet death had undeniably claimed her. The heavy front door had been bolted from the inside, sealing the crime scene completely. Harding noted the shattered champagne flute lying just inches from her outstretched hand. A faint, bitter-almond scent lingered near her pale, slightly parted lips, he realized. This was no simple death; it was a meticulously crafted puzzle designed for someone. He knelt, observing a tiny, deliberate scratch on the polished mahogany floorboards. Somewhere upstairs, a grandfather clock began to chime the midnight hour with resonance. The investigation had only just begun, but one certainty cut through the silence. The killer was either still hiding within the house or had simply vanished.
created_at
"2026-04-25T14:38:17.862Z"
4/25/2026, 2:38:17 PM
model
"deepseek/deepseek-v4-pro-20260423"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1606
moderation_latency
(null)
generation_time
8531
tokens_prompt
46
tokens_completion
308
native_tokens_prompt
39
native_tokens_completion
236
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
0.000222285
router
(null)
provider_responses
0
endpoint_id
"13bda129-f8a6-4a60-b1db-98082e5f7ccd"
is_byok
false
latency
83
model_permaslug
"deepseek/deepseek-v4-pro-20260423"
provider_name
"Together"
status
429
1
endpoint_id
"d084170b-dd99-4e53-9ae1-b63881f3cfbf"
id
"70685287-bab8-4672-a99d-070619676d86"
is_byok
false
latency
271
model_permaslug
"deepseek/deepseek-v4-pro-20260423"
provider_name
"DeepSeek"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer
(null)
request_id
"req-1777127897-Il45SkGtBmAq7sOqu9XR"
session_id
(null)
api_type
"completions"
id
"gen-1777127897-5onFH7a6utXjHecE9vVC"
upstream_id
"70685287-bab8-4672-a99d-070619676d86"
total_cost
0.000222285
cache_discount
(null)
upstream_inference_cost
0
provider_name
"DeepSeek"
response_cache_source_id
(null)
Evaluation details
Result
Evaluator
Details
Meta Data
0.00%
Matches word count
n/a
neededClean
false
sentences
14
wordCounts
0
12
1
13
2
15
3
13
4
13
5
13
6
15
7
13
8
13
9
14
10
12
11
13
12
13
13
13