Run: 2026-09-03-01M1KC2GGXEK609KP3JWS4AYF3

Run Details

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

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_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1222
moderation_latency(null)
generation_time27880
tokens_prompt46
tokens_completion2029
native_tokens_prompt118
native_tokens_completion2039
native_tokens_completion_images(null)
native_tokens_reasoning1751
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier(null)
usage0.00699567
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_byokfalse
latency1222
model_permaslug"deepseek/deepseek-v4-pro-20260813"
provider_name"Alibaba"
status200
total_cost0.00699567
cache_discount(null)
upstream_inference_cost0
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
neededCleanfalse
sentences21
wordCounts
010
110
210
310
410
510
610
710
810
910
1010
1110
1210
1310
1410
1510
1610
1710
1810
1910
2010