Run: 2026-09-23-01M36NSZ38MRGP26B00D99MQ0T

Run Details

Duration:
6.0s
Cost:
$0.000288
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
At midnight, the bell stopped. Inspector Vale noticed the silence. Rain silvered the manor windows. Inside, candles trembled beside supper. Lord Ashcombe lay cold, smiling. His wineglass remained perfectly untouched. Nobody admitted hearing the shot. Yet every guest looked armed. Vale closed the heavy curtains. Then someone knocked from within.
created_at"2026-09-23T08:23:38.349Z" 9/23/2026, 8:23:38 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5905
moderation_latency(null)
generation_time6009
tokens_prompt46
tokens_completion90
native_tokens_prompt41
native_tokens_completion567
native_tokens_completion_images0
native_tokens_reasoning494
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"
usage0.0002876
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151818-bvvyGJ6EmYR2hlnbyKZW"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151818-GD5xZbZGIrffd2M7cV0K"
upstream_id"resp_06cd7da179ed6501016ab38c8a701087d1ae9e5fe8e99a74b7"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_06cd7da179ed6501016ab38c8a701087d1ae9e5fe8e99a74b7"
is_byokfalse
latency564
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0002876
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
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95