Run: 2025-04-14-01JRTSZXDR6XGJAZ3VZ161H3D9

Run Details

Duration:
1.4s
Cost:
$0.000063
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
29.90% 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

AI
The rain poured heavily on the deserted mansion, shadows dancing behind the cracked stained-glass windows silently threatening secrets buried deep inside. A distant thunderclap echoed ominously as Detective Harper arrived, clutching a battered notebook, determined to uncover what darkness hid beneath elegant veneer. Inside, flickering candlelight revealed a blood-stained letter opener, glinting horrifyingly near the lifeless body sprawled across a velvet carpet. The victim, renowned art collector Mr. Langston, had his eyes wide open, a look of terror frozen forever on his blood-smeared face. Whispers of hidden debts and jealous rivals filled the air as Harper carefully examined the chilling scene, trying to piece together motives clearly.
id"gen-1744656398-cAY3iJsBVBLtIgwiGmjn"
upstream_id"chatcmpl-BMJ7GiQidHib3VD9ofah98gRx8tlM"
total_cost0.000063
cache_discount(null)
provider_name"OpenAI"
created_at"2025-04-14T18:46:39.487727+00:00" 4/14/2025, 6:46:39 PM
model"openai/gpt-4.1-nano-2025-04-14"
app_id182717
streamedtrue
cancelledfalse
latency343
moderation_latency100
generation_time398
tokens_prompt42
tokens_completion146
native_tokens_prompt42
native_tokens_completion147
native_tokens_reasoning0
num_media_prompt(null)
num_media_completion(null)
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.000063

Evaluation details

Result Evaluator Details Meta Data
29.90% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
021
122
219
322
423