Run: 2026-09-23-01M36NNSAP4FTMDWNJKN8Q7DBW

Run Details

Duration:
1.9s
Cost:
$0.000034
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
79.27% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Inspector Vale found the body beneath the station’s stopped clock. Rain tapped the glass while dawn dimmed every platform. A silver key rested between the victim’s folded fingers. Nobody remembered seeing him enter the locked waiting room. Then the clock struck thirteen, and someone screamed downstairs.
created_at"2026-09-23T08:21:21.373Z" 9/23/2026, 8:21:21 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1910
moderation_latency(null)
generation_time1927
tokens_prompt46
tokens_completion79
native_tokens_prompt41
native_tokens_completion59
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"
usage0.0000336
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151681-1yJOFxa6ZBQR3GmZPibn"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151681-du8fvpJ5WmB0gyoYzXJ3"
upstream_id"resp_08a634187fec1447016ab38c01773487d1b9fa9f39c247198c"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_08a634187fec1447016ab38c01773487d1b9fa9f39c247198c"
is_byokfalse
latency316
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000336
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
79.27% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
19
29
39
49