Run: 2026-09-23-01M36R5YW9M93YYBK8P170EXJV

Run Details

Duration:
10.8s
Cost:
$0.000381
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
Rain clawed at the windows. Inspector Vale arrived before dawn. The library door stood locked. Inside, Lord Ashcombe lay dead. His untouched tea steamed nearby. Then Vale noticed muddy footprints. They ended beneath the desk. Someone had walked out backward. Yet the door remained locked.
created_at"2026-09-23T09:05:08.5Z" 9/23/2026, 9:05:08 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency9619
moderation_latency(null)
generation_time10754
tokens_prompt46
tokens_completion197
native_tokens_prompt41
native_tokens_completion754
native_tokens_completion_images0
native_tokens_reasoning691
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"
usage0.0003811
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790154308-CuU4ZGcNMopHbydfIe89"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790154308-mlHkArrCCUlLJokonxw0"
upstream_id"resp_05dd557553c37977016ab396449c0887d19c9099251ce89478"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_05dd557553c37977016ab396449c0887d19c9099251ce89478"
is_byokfalse
latency2400
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0003811
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
sentences9
wordCounts
05
15
25
35
45
55
65
75
85