Run: 2026-07-09-01KX400PDFPNFCPMCB8EJ1AYPA

Run Details

Duration:
2.6s
Cost:
$0.002605
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain polished the windows as midnight entered Blackwood Manor silently. Inspector Vale arrived before thunder silenced the grandfather clock forever. Inside, twelve guests surrounded Lord Blackwood's still-warm body in horror. A silver key protruded neatly from his bloodless throat there. Nobody moved, though muddy footprints crossed the ceiling above them. Then the dead man's pocket watch began ticking backward loudly.
created_at"2026-07-09T17:50:10.361Z" 7/9/2026, 5:50:10 PM
model"openai/gpt-5.6-sol-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency564
moderation_latency(null)
generation_time2381
tokens_prompt46
tokens_completion115
native_tokens_prompt41
native_tokens_completion80
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"
usage0.002605
router(null)
provider_responses
0
endpoint_id"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id"resp_065d3115895675de016a4fdf526fd48197b42a3d183383ab41"
is_byokfalse
latency209
model_permaslug"openai/gpt-5.6-sol-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783619410-5MEGbAqxbTmkJlU9676s"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619410-WyONdegwQigI1sUXF7mD"
upstream_id"resp_065d3115895675de016a4fdf526fd48197b42a3d183383ab41"
total_cost0.002605
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
010
110
210
310
410
510