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Run: 2025-04-14-01JRTSSY251X85X1JSWTDQY55S
Run Details
Model:
GPT-4.1 Nano
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
2.9s
Cost:
$0.000067
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
Messages
Meta
AI
The rain drummed softly against the cold, empty courtroom walls tonight. Detective Harris arrived quietly, eyes scanning the silent, dimly lit room. A bloodstained letter rested on the polished, cracked wooden bench. Footsteps echoed faintly as a shadow moved behind the velvet curtain. Suddenly, a scream shattered the silence, echoing through hollow halls. Harris ended his breathless pause, stepping cautiously toward the scene. A single candle flickered, casting ghostly shadows over the lifeless figure. In her hand, clenched tightly, a silver dagger gleamed sharply. Whispers of secrets and lies filled the dark, suspect-laden air tonight. The mystery had only just begun, secrets buried beneath polished veneer.
id
"gen-1744656202-gaBly5W0vD0nao8I9r6q"
upstream_id
"chatcmpl-BMJ46wAt5QxJnIbJJvm4RAD0ueHe0"
total_cost
0.000067
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:43:25.462318+00:00"
4/14/2025, 6:43:25 PM
model
"openai/gpt-4.1-nano-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
475
moderation_latency
120
generation_time
1742
tokens_prompt
42
tokens_completion
156
native_tokens_prompt
42
native_tokens_completion
157
native_tokens_reasoning
0
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
0.000067
Evaluation details
Result
Evaluator
Details
Meta Data
84.45%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
11
1
11
2
10
3
11
4
10
5
10
6
11
7
10
8
11
9
11