Run: 2026-04-25-01KQ2ECDH3EPKVYX0HQM110D8T

Run Details

Duration:
12.1s
Cost:
$0.000037
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
80.65% 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 the library. Blood pooled beneath the antique desk. A shattered vase scattered white roses. The clock struck midnight's silent chime. Inspector Grey knelt to examine. No footprints marked the Persian rug. The window was locked from inside. Only the victim knew the killer.
created_at"2026-04-25T13:48:34.727Z" 4/25/2026, 1:48:34 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency519
moderation_latency(null)
generation_time2006
tokens_prompt46
tokens_completion134
native_tokens_prompt39
native_tokens_completion114
native_tokens_completion_images(null)
native_tokens_reasoning56
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"
usage0.00003738
router(null)
provider_responses
0
endpoint_id"934a69f9-bd54-474b-beca-24560f721e12"
is_byokfalse
latency53
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepInfra"
status(null)
1
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"0ad5ae4b-70f0-46ff-8444-67dd49cffeb3"
is_byokfalse
latency283
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777124914-YK6TcFBfqWLhejTlDsQQ"
session_id(null)
api_type"completions"
id"gen-1777124914-5843fdqG68jVjvw1pERL"
upstream_id"0ad5ae4b-70f0-46ff-8444-67dd49cffeb3"
total_cost0.00003738
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
80.65% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
06
16
26
36
45
56
66
76