Run: 2026-02-25-01KJ94XN43AJXA72Z81RSE347T

Run Details

Duration:
7.1s
Cost:
$0.004271
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
34.38% 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 steady rain slicked the cobblestone streets during the cold, early hours of a desolate Tuesday morning, utterly unwelcome. Detective Inspector Thorne adjusted his worn trench coat, pulling its damp collar tightly against his weary neck, a familiar struggle. Another late-night call had dragged him from his fitful sleep, promising another complicated, unpleasant situation, certainly unfortunate. Forensic lights cast stark, clinical shadows across the grim scene awaiting discovery behind the velvet ropes, quite revealing. A young constable shivered beside a flashing patrol car, clutching a steaming paper cup with gloved hands, looking nervous. "They found her inside the old Sinclair mansion, Inspector," the constable reported, voice trembling slightly with apprehension. Thorne nodded grimly, already anticipating the gruesome tableau lying beyond the imposing, dark wooden doors, a disturbing sight. The air inside smelled faintly of expensive perfume mixed with something metallic and terribly, irrevocably final, a morbid aroma. A woman lay sprawled upon Persian rugs, her vivid red dress a stark contrast against the dark intricate pattern. Her wide eyes stared sightlessly at the ornate ceiling, reflecting nothing but the cruel, cold stillness of death. This was not an accident; Thorne knew this terrible truth immediately, sensing a killer’s clear, deliberate message now. The quiet elegance of the room now held a profound, chilling silence, forever stained by this grotesque act.
created_at"2026-02-25T00:59:25.705Z" 2/25/2026, 12:59:25 AM
model"google/gemini-2.5-flash"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1676
moderation_latency(null)
generation_time7032
tokens_prompt46
tokens_completion1092
native_tokens_prompt38
native_tokens_completion1704
native_tokens_completion_images0
native_tokens_reasoning1437
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
usage0.0042714
router(null)
provider_responses
0
endpoint_id"16c01e26-9b91-4d22-b487-ed35634b017d"
is_byokfalse
latency1676
model_permaslug"google/gemini-2.5-flash"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771981165-Vo1514K2w8AJ3kWkF4PE"
upstream_id(null)
total_cost0.0042714
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
34.38% Matches word count n/a
neededCleanfalse
sentences12
wordCounts
019
120
217
318
419
517
618
719
819
918
1018
1118