Run: 2026-09-23-01M36NYRQBWGCGD494JY0AMK4N

Run Details

Duration:
3.1s
Cost:
$0.000027
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
92.63% 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 against shattered windows. A chandelier swung above the corpse. Beside him, champagne glasses sparkled untouched. The clock stopped at midnight. Someone had locked every door.
created_at"2026-09-23T08:26:15.797Z" 9/23/2026, 8:26:15 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2935
moderation_latency(null)
generation_time2935
tokens_prompt46
tokens_completion60
native_tokens_prompt41
native_tokens_completion46
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"
usage0.0000271
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151975-PoNUCyiYh01fdHabwLVR"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151975-v8gcn2ayOJAfYtH2DoCu"
upstream_id"resp_09e99f7486e6b584016ab38d27fe8887d19c5ee731a33b5139"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_09e99f7486e6b584016ab38d27fe8887d19c5ee731a33b5139"
is_byokfalse
latency1832
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000271
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
92.63% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
05
15
26
36
45
55