Run: 2026-04-25-01KQ2FSB789VVAD09ZN44FHW4X

Run Details

Duration:
9.7s
Cost:
$0.000073
Provider:
DeepSeek

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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The body lay in moonlight. Rain tapped on the windows. Detective Sloan knelt down slowly. His gloved hand turned it. A single silver key gleamed. It rested in frozen fingers. No blood marked the floor. The room smelled of lavender. Her eyes were wide open. A clock ticked too loudly.
created_at"2026-04-25T14:13:14.053Z" 4/25/2026, 2:13:14 PM
model"deepseek/deepseek-v4-pro-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency762
moderation_latency(null)
generation_time2470
tokens_prompt46
tokens_completion78
native_tokens_prompt39
native_tokens_completion64
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.000072645
router(null)
provider_responses
0
endpoint_id"d084170b-dd99-4e53-9ae1-b63881f3cfbf"
id"02148a02-3086-4b33-b5ca-a8bf0c4188eb"
is_byokfalse
latency276
model_permaslug"deepseek/deepseek-v4-pro-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777126394-xkPKvTImZ48Qf3V3Gq25"
session_id(null)
api_type"completions"
id"gen-1777126394-0NnBe6kjeF4qWWdLb6FX"
upstream_id"02148a02-3086-4b33-b5ca-a8bf0c4188eb"
total_cost0.000072645
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95