Run: 2026-09-23-01M36P4YKNSRCKSHY98YR3B539

Run Details

Duration:
4.0s
Cost:
$0.000034
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
93.68% 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 veiled the old observatory. Detective Mara Vale arrived alone. A brass key lay nearby. Its teeth gleamed beneath red light. Someone whispered behind the locked door. Mara raised her service pistol. Then the clock struck thirteen.
created_at"2026-09-23T08:29:38.3Z" 9/23/2026, 8:29:38 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3908
moderation_latency(null)
generation_time3965
tokens_prompt46
tokens_completion63
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-1790152178-Xj6A3F3S19EdTNSBG1u3"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790152178-nfgRiHxwSyTVZWmnRbf3"
upstream_id"resp_00f8996864829f18016ab38df263e887d1b0bdddd1cdca7eed"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_00f8996864829f18016ab38df263e887d1b0bdddd1cdca7eed"
is_byokfalse
latency2931
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
93.68% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
05
15
25
36
46
55
65