Run: 2026-09-23-01M36R9EP7BVBNSPCC4TJ6XN9Z

Run Details

Duration:
5.3s
Cost:
$0.000233
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. Detective Vale arrived through rain. One window glowed upstairs still. Inside, the clock showed twelve. Lord Ashford lay beside tea. His silver knife remained spotless. Yet blood darkened the carpet. Nobody admitted hearing anything unusual. Then Vale noticed wet footprints. They ended beneath the desk. Someone whispered behind the curtains. Vale reached for his revolver. From upstairs, another bell tolled.
created_at"2026-09-23T09:07:02.993Z" 9/23/2026, 9:07:02 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5197
moderation_latency(null)
generation_time5255
tokens_prompt46
tokens_completion114
native_tokens_prompt41
native_tokens_completion457
native_tokens_completion_images0
native_tokens_reasoning364
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"
usage0.0002326
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790154422-RZ6DUJf19F5Z6mlvAZBj"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790154422-57yGfBDvzMUw4vtEGegO"
upstream_id"resp_0cdc243fda60a50d016ab396b71d7087d19bf23678c112bf79"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0cdc243fda60a50d016ab396b71d7087d19bf23678c112bf79"
is_byokfalse
latency876
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0002326
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
sentences13
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125