Run: 2026-04-25-01KQ2HCFAW9WNEWF6E68TCP2SD

Run Details

Duration:
30.2s
Cost:
$0.000095
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
100.00% 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 chandelier dripped cold light onto the marble floor below. Her body lay twisted near the silent, unplayed grand piano. Ten crimson fingerprints stained the ivory keys in perfect sequence. A single diamond earring rested inside the empty crystal glass. Detective Vance knelt slowly, his worn trench coat brushing dust. "The killer counted," he whispered, "every single word they spoke." No one in the locked ballroom dared exhale or move.
created_at"2026-04-25T14:41:28.679Z" 4/25/2026, 2:41:28 PM
model"deepseek/deepseek-v4-pro-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1152
moderation_latency(null)
generation_time3713
tokens_prompt46
tokens_completion115
native_tokens_prompt39
native_tokens_completion90
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"
usage0.000095265
router(null)
provider_responses
0
endpoint_id"13bda129-f8a6-4a60-b1db-98082e5f7ccd"
is_byokfalse
latency103
model_permaslug"deepseek/deepseek-v4-pro-20260423"
provider_name"Together"
status429
1
endpoint_id"d084170b-dd99-4e53-9ae1-b63881f3cfbf"
id"e4bccbca-2b92-473d-b3ed-dece89f85b31"
is_byokfalse
latency287
model_permaslug"deepseek/deepseek-v4-pro-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777128088-2pytxf0NXgGeilaPMX2B"
session_id(null)
api_type"completions"
id"gen-1777128088-5n6kC8syIASv9xv3Gkuo"
upstream_id"e4bccbca-2b92-473d-b3ed-dece89f85b31"
total_cost0.000095265
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
010
110
210
310
410
510
610