Run: 2026-09-23-01M36NXK86MJX8J0NA4SZGGV38

Run Details

Duration:
8.8s
Cost:
$0.000400
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 entered through rain. A woman watched, perfectly still. The victim’s gloves were spotless. His watch stopped at twelve. Then the corpse blinked once. Vale reached for his pistol. Behind him, the door clicked. No one else was inside.
created_at"2026-09-23T08:25:37.292Z" 9/23/2026, 8:25:37 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8474
moderation_latency(null)
generation_time8753
tokens_prompt46
tokens_completion73
native_tokens_prompt41
native_tokens_completion791
native_tokens_completion_images0
native_tokens_reasoning726
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"
usage0.0003996
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151937-3MeVZH4YneKolrWjx1IF"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151937-AJ4gNSpCRGx97y2Epgns"
upstream_id"resp_005bc6fe06f4678a016ab38d01721887d18af20b4d3390a3bd"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_005bc6fe06f4678a016ab38d01721887d18af20b4d3390a3bd"
is_byokfalse
latency898
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0003996
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