Run: 2026-09-23-01M36P1F0T2E91B1VFFDS6BR4W

Run Details

Duration:
2.0s
Cost:
$0.000034
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
87.36% 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
Detective Vale entered the ballroom. Rain tapped the shuttered windows. A violin lay beside the body. No guests admitted hearing anything. The clock had stopped at midnight. Vale noticed blood beneath the roses. Someone whispered, “The murderer remains here.”
created_at"2026-09-23T08:27:44.032Z" 9/23/2026, 8:27:44 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1991
moderation_latency(null)
generation_time2021
tokens_prompt46
tokens_completion71
native_tokens_prompt41
native_tokens_completion60
native_tokens_completion_images0
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"completed"
service_tier"default"
usage0.0000341
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790152064-0x6Js8UuxU4FkzuYpF1N"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790152064-lM9c29X2hXGRlhbIOEXX"
upstream_id"resp_0141f3f023697e87016ab38d80222087d18561e1fc1d571dd9"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0141f3f023697e87016ab38d80222087d18561e1fc1d571dd9"
is_byokfalse
latency961
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000341
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
87.36% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
05
15
26
35
46
56
66