Run: 2026-04-25-01KQ2JSNY4VYFMCXVJWZHG2SQK

Run Details

Duration:
1.4s
Cost:
$0.000018
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
62.67% 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 rain soaked the crimson carpet. A body lay twisted near the stair. Thunder masked a woman's distant scream. Silence swallowed the grand ballroom whole. A shattered vase held a clue.
created_at"2026-04-25T15:05:43.624Z" 4/25/2026, 3:05:43 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency669
moderation_latency(null)
generation_time1334
tokens_prompt46
tokens_completion52
native_tokens_prompt39
native_tokens_completion44
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"
usage0.00001778
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"5a11c586-f836-4570-8347-74870696e462"
is_byokfalse
latency289
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-1777129543-Xo9tflDNI3xpDikIqmkj"
session_id(null)
api_type"completions"
id"gen-1777129543-FjOdgjSz5GpBEnk0dtEp"
upstream_id"5a11c586-f836-4570-8347-74870696e462"
total_cost0.00001778
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
62.67% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
06
17
26
36
46