Run: 2026-09-23-01M36NHAQ87PFPS5QN3ZBBEFVB

Run Details

Duration:
1.5s
Cost:
$0.000038
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
84.45% 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
At dawn, Detective Vale found a body beneath the bridge. Rain softened footprints, while sirens echoed through the sleeping harbor. The victim’s silver watch had stopped at precisely midnight. A folded note rested beneath his cold, clenched hand. Its message named Vale, though nobody knew why yet.
created_at"2026-09-23T08:18:55.343Z" 9/23/2026, 8:18:55 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1283
moderation_latency(null)
generation_time1469
tokens_prompt46
tokens_completion79
native_tokens_prompt41
native_tokens_completion67
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"
usage0.0000376
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151535-dtvyDyX6KsEgtlwr6Yac"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151535-KRAKlA5rKjH38WA5IUHs"
upstream_id"resp_08ac8e77578dda96016ab38b6f76c087d1adf39895629ee129"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_08ac8e77578dda96016ab38b6f76c087d1adf39895629ee129"
is_byokfalse
latency314
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000376
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
84.45% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
110
29
39
49