Run: 2026-04-25-01KQ2FNQ4NATFE37A1WYSJ9TK8

Run Details

Duration:
1.4s
Cost:
$0.000021
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
52.53% 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 library clock struck midnight precisely. Rain lashed against the frosted windows. Lord Whitmore lay crumpled on the floor. A crystal decanter lay shattered nearby. His hand clutched a single playing card. It was the ace of spades.
created_at"2026-04-25T14:11:08.058Z" 4/25/2026, 2:11:08 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency574
moderation_latency(null)
generation_time1290
tokens_prompt46
tokens_completion65
native_tokens_prompt39
native_tokens_completion56
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"
usage0.00002114
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"48c06e07-b78c-43a6-ac0e-2b92b71eddab"
is_byokfalse
latency278
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-1777126268-q1ZluZ4aqVWxFzBBcmOe"
session_id(null)
api_type"completions"
id"gen-1777126268-OgZEKEpsT3ZNl8LPs6aN"
upstream_id"48c06e07-b78c-43a6-ac0e-2b92b71eddab"
total_cost0.00002114
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
52.53% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
06
16
27
36
47
56