Run: 2026-09-23-01M36NNVBSZWWN4N2ECPYDQ2NA

Run Details

Duration:
1.9s
Cost:
$0.000037
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
80.65% 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
Fog swallowed the harbor bells. Detective Vale entered the locked conservatory. A red glove covered the body. Rain tapped the shattered skylight overhead. Someone whispered behind the velvet curtains. Vale turned, drawing her service revolver. The curtains stirred, then fell silent. On the floor, fresh footprints ended.
created_at"2026-09-23T08:21:23.455Z" 9/23/2026, 8:21:23 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1810
moderation_latency(null)
generation_time1847
tokens_prompt46
tokens_completion83
native_tokens_prompt41
native_tokens_completion66
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"
usage0.0000371
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151683-Ohk26LGLIt5UWI2LFozN"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151683-BGtBnmFSqWIcXYASzVDs"
upstream_id"resp_0dca42559a75e72a016ab38c038ca087d1beefb58cf2ccf985"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0dca42559a75e72a016ab38c038ca087d1beefb58cf2ccf985"
is_byokfalse
latency312
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000371
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
80.65% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
05
16
26
36
46
56
66
76