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Run: 2026-09-03-01M1KC2GGXEK609KP3JWS4AYF3
Run Details
Model:
DeepSeek V4 Pro 0813 (Reasoning, High)
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
27.9s
Cost:
$0.006996
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.
Model response
Messages
Meta
AI
The old mansion loomed silent beneath the moon's pale glow. Detective Clara Reed arrived late, her breath fogging the air. A single light burned upstairs, flickering like a nervous heartbeat. She stepped onto the porch, avoiding the creaking third board. The front door hung open, revealing a long dark hallway. Inside, the smell of wet wool and copper filled everything. A body lay beside the fireplace, one hand clutching nothing. Clara knelt close, scanning the room with practiced, steady eyes. No visible wounds, yet blood had pooled beneath the skull. The victim's lips were parted, as if mid-sentence forever now. Someone had locked the windows from the inside before leaving. On the mantel, a clock ticked loudly, marking ten fifteen. She counted eleven guests, but only ten sets of footprints. A torn photograph lay near the man's outstretched left hand. The face in the photo had been scratched with anger. Clara picked it up using the edge of her scarf. The fire had died hours ago, leaving cold gray ash. Whoever killed him had known exactly when to slip away. A floorboard groaned above her, sharp and deliberate this time. Clara looked up, her hand moving toward her holster slowly. The house was not empty after all; it was waiting.
created_at
"2026-09-03T10:12:16.553Z"
9/3/2026, 10:12:16 AM
model
"deepseek/deepseek-v4-pro-20260813"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1222
moderation_latency
(null)
generation_time
27880
tokens_prompt
46
tokens_completion
2029
native_tokens_prompt
118
native_tokens_completion
2039
native_tokens_completion_images
(null)
native_tokens_reasoning
1751
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
0.00699567
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer
(null)
request_id
"req-1788430336-nRQID159h4xU3q0n7Ids"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1788430336-9xPzO3BJfcQBAnVee6J0"
upstream_id
"chatcmpl-dfba4349-d6e9-9229-ae18-c298ce8ec90c"
provider_responses
0
endpoint_id
"e719d276-b080-47ee-ae4f-63ed656a0b7a"
id
"chatcmpl-dfba4349-d6e9-9229-ae18-c298ce8ec90c"
is_byok
false
latency
1222
model_permaslug
"deepseek/deepseek-v4-pro-20260813"
provider_name
"Alibaba"
status
200
total_cost
0.00699567
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
21
wordCounts
0
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
8
10
9
10
10
10
11
10
12
10
13
10
14
10
15
10
16
10
17
10
18
10
19
10
20
10