Run: 2026-04-25-01KQ2GGYENTNGYX2PM3135KAKN

Run Details

Duration:
2.2s
Cost:
$0.000033
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
92.63% 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 clock struck midnight precisely. Rain battered the mansion windows. A single gunshot echoed. The chandelier swayed violently overhead. Lady Ashworth lay motionless. Crimson pooled beneath her body. The butler entered the room. His face went completely white. "Someone call the police!" he shouted.
created_at"2026-04-25T14:26:00.281Z" 4/25/2026, 2:26:00 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency568
moderation_latency(null)
generation_time2134
tokens_prompt46
tokens_completion120
native_tokens_prompt39
native_tokens_completion100
native_tokens_completion_images(null)
native_tokens_reasoning37
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"
usage0.00003346
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"59ef7af1-21c2-447d-9ec0-a7923c16c55a"
is_byokfalse
latency277
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-1777127160-UHdQk1oeP9neDvYzAexd"
session_id(null)
api_type"completions"
id"gen-1777127160-FbnqlyguFGNfXhqJzMUg"
upstream_id"59ef7af1-21c2-447d-9ec0-a7923c16c55a"
total_cost0.00003346
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
92.63% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
05
15
24
35
44
55
65
75
86