Run: 2026-10-05-01M46B6X0FG5JPSRF4B8MYWRWZ

Run Details

Duration:
22.8s
Cost:
$0.008442
Provider:
OpenAI

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 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
At midnight, the lighthouse keeper's daughter found a dead man sitting upright at their kitchen table, wearing her father's coat. Rain hammered the windows while the lighthouse beam swept across his face, revealing eyes sewn shut with bright blue thread. On the table beside him lay three untouched teacups, a silver key, and a photograph of her mother's forgotten wedding. Clara recognized everyone in the photograph except the bride, whose face had been carefully scratched away with a sharpened instrument. Her father had disappeared before supper, leaving only instructions to keep the light burning and never answer the western door. Now someone knocked there softly three times, then waited as if certain she would forget everything she had been told. The dead man's pocket watch began chiming, although its hands were missing, and Clara knew its melody from her childhood. Outside, beneath the knocking, a familiar voice whispered her name and asked whether she had finally found their missing guest.
created_at"2026-10-05T15:34:09.685Z" 10/5/2026, 3:34:09 PM
model"openai/gpt-6.1-sol-20260929"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency20906
moderation_latency(null)
generation_time22799
tokens_prompt46
tokens_completion257
native_tokens_prompt41
native_tokens_completion836
native_tokens_completion_images0
native_tokens_reasoning644
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"completed"
service_tier"default"
usage0.008442
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791214449-iCDJVwXAEwU02Wi3HMZh"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791214449-BxSQwGHjlCYlLVBrmyZS"
upstream_id"resp_04e46a3c48852b33016ac3c371cc7487d1afb2cae63d809240"
provider_responses
0
endpoint_id"dfb9d5c3-63f9-4263-8b78-4fa97dcb3d5e"
id"resp_04e46a3c48852b33016ac3c371cc7487d1afb2cae63d809240"
is_byokfalse
latency323
model_permaslug"openai/gpt-6.1-sol-20260929"
provider_name"OpenAI"
status200
total_cost0.008442
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
020
120
220
320
420
520
620
720