Run: 2026-04-25-01KQ2GXXEXTZTY2K23B0DEKJPN

Run Details

Duration:
56.1s
Cost:
$0.000036
Provider:
DeepInfra

Evaluation summary

Score Evaluator
Details Link
18.42% 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 grandfather clock struck eleven, then stopped forever. A chilled glass of sherry sat untouched. Lady Blackwood lay slumped across her mahogany desk. Her emerald necklace was missing from her throat. The study door remained locked from the inside. Rain lashed against the tall, curtained windows. No footprints marked the thick, crimson carpet. Inspector Vance arrived to find only silence.
created_at"2026-04-25T14:33:05.25Z" 4/25/2026, 2:33:05 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7496
moderation_latency(null)
generation_time56119
tokens_prompt46
tokens_completion131
native_tokens_prompt39
native_tokens_completion108
native_tokens_completion_images(null)
native_tokens_reasoning32
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"
usage0.0000357
router(null)
provider_responses
0
endpoint_id"934a69f9-bd54-474b-beca-24560f721e12"
id"26a8f42b1b56480ba8da17ab637addea"
is_byokfalse
latency38
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepInfra"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777127585-SvSom5i46HHH3k8R3NWe"
session_id(null)
api_type"completions"
id"gen-1777127585-xwsvK52gSu1MdpNMWFpm"
upstream_id"26a8f42b1b56480ba8da17ab637addea"
total_cost0.0000357
cache_discount(null)
upstream_inference_cost0
provider_name"DeepInfra"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
18.42% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
08
17
28
38
48
57
67
77