Run: 2026-04-25-01KQ2FWW4K9TV3ZG5NE28600FN

Run Details

Duration:
2.5s
Cost:
$0.000037
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
94.82% 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 twelve, then sputtered and fell silent. A single glove lay crumpled near the study door hinges. Rain streaked the windows like tears on a painted face. Inspector Graves examined the body with practiced, weary eyes. The victim's watch had stopped at exactly ten past eleven.
created_at"2026-04-25T14:15:02.552Z" 4/25/2026, 2:15:02 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency730
moderation_latency(null)
generation_time2355
tokens_prompt46
tokens_completion133
native_tokens_prompt39
native_tokens_completion112
native_tokens_completion_images(null)
native_tokens_reasoning46
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"
usage0.00003682
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"b0889cad-2a5c-4a3d-8be5-9e74c8a7eac2"
is_byokfalse
latency284
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-1777126502-mkJ0LAchgwVXCmtUR4Iw"
session_id(null)
api_type"completions"
id"gen-1777126502-sl2r7AhqyM5oYAPu03Ij"
upstream_id"b0889cad-2a5c-4a3d-8be5-9e74c8a7eac2"
total_cost0.00003682
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
94.82% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
110
210
39
410