Run: 2026-04-25-01KQ2GBGJ77JZDT7B47TECW2FZ

Run Details

Duration:
2.4s
Cost:
$0.000042
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
0.00% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The clock above the mantel chimed midnight, its echo swallowed by the sprawling, silent manor. Rain streaked the tall library windows, blurring the garden’s skeletal oaks into shadows. A single lamp cast amber light on the worn leather chair near the cold fireplace. Lord Ashworth’s body was slumped there, a silver letter opener buried in his chest. His spectacles lay shattered on the Persian rug, near a single, blood-smeared playing card. No one had entered the front door; the locks were still in place. Outside, the storm raged, but inside, an impossible stillness had claimed the room.
created_at"2026-04-25T14:23:02.219Z" 4/25/2026, 2:23:02 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency536
moderation_latency(null)
generation_time2277
tokens_prompt46
tokens_completion150
native_tokens_prompt39
native_tokens_completion129
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"
usage0.00004158
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"8a899118-f5b2-400a-9f73-5a77858d25ee"
is_byokfalse
latency274
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-1777126982-Rafypkr4ROeXBjY9TQ70"
session_id(null)
api_type"completions"
id"gen-1777126982-zDJqeYjUPPqa6ip4OsjB"
upstream_id"8a899118-f5b2-400a-9f73-5a77858d25ee"
total_cost0.00004158
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
0.00% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
015
113
215
314
414
513
613