Run: 2026-04-25-01KQ2G0AHMR5XYACMC6Q3ZR009

Run Details

Duration:
3.3s
Cost:
$0.000049
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
78.40% 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 rain slicked cobblestones gleamed under the single gaslight. A body lay sprawled across the wet, uneven stones. Lord Ashworth's cravat was torn, his eyes wide open. Inspector Graves knelt, noting the precise angle of the wound. "No footprints near the body," his constable whispered nervously. The clock tower chimed the hour of midnight, somber and cold.
created_at"2026-04-25T14:16:55.61Z" 4/25/2026, 2:16:55 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency940
moderation_latency(null)
generation_time2594
tokens_prompt46
tokens_completion174
native_tokens_prompt39
native_tokens_completion155
native_tokens_completion_images(null)
native_tokens_reasoning72
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"
usage0.00004886
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"5c519d02-82f4-42ae-916c-4313171db9be"
is_byokfalse
latency282
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-1777126615-Q99SJJRjbCX5VFJoOIIB"
session_id(null)
api_type"completions"
id"gen-1777126615-zvGDSviBxltUEOj9OXeZ"
upstream_id"5c519d02-82f4-42ae-916c-4313171db9be"
total_cost0.00004886
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
78.40% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
09
19
29
310
49
511