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Run: 2025-04-16-01JRZZ9TSXQE5GQ9JWAQDWK6B3
Run Details
Model:
o4 Mini High
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
31.3s
Cost:
$0.013637
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 20 words. Please make sure that each sentence has the same length. Only return the opening itself.
Model response
Messages
Meta
AI
Thunder rattled ancient windows as Detective Harper surveyed the dimly lit library filled with silent witnesses and looming ominous shadows. A single pale candle flickered atop an ancient oak desk, casting wavering light across scattered papers and a bloodstained letter. Rain pounded relentless rhythms against rooftops outside, drowning midnight murmurs while shadows danced mockingly across timeworn bookshelves and dusty floors. Detective Harper held trembling notebook close, scribbling fragmented confessions overheard at the tavern where anxious whispers hinted at murderous intent. A solitary scream tore through midnight's stillness, echoing long corridors before abruptly silencing as dread settled over every captive heart. An ornate grandfather clock chimed ominously, each resonant bell reminding Detective Harper of time slipping away before justice ultimately prevailed. Footsteps approached silently from behind layers of darkness, leaving Detective Harper certain that the killer lurked just beyond flickering lamplight.
id
"gen-1744829738-axaKMdUroV4kY8Fr86wt"
upstream_id
"chatcmpl-BN2D4FdBgdPSppXxcgbYfEIpsqrVP"
total_cost
0.0136367
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-16T18:56:09.084805+00:00"
4/16/2025, 6:56:09 PM
model
"openai/o4-mini-high-2025-04-16"
app_id
182717
streamed
true
cancelled
false
latency
28685
moderation_latency
432
generation_time
30244
tokens_prompt
42
tokens_completion
3070
native_tokens_prompt
41
native_tokens_completion
3089
native_tokens_reasoning
2880
num_media_prompt
(null)
num_media_completion
(null)
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.0136367
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Matches word count
n/a
neededClean
false
sentences
7
wordCounts
0
20
1
20
2
20
3
20
4
20
5
20
6
20