Run: 2026-02-20-01KHYB7QNBHJWYHVB3YV5G5TJJ

Run Details

Model:
Grok 4
Duration:
18.4s
Cost:
$0.008654
Provider:
xAI

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
The moonlit alley whispered secrets to the arriving detective tonight. Shadows danced eerily as he approached the lifeless body sprawled. Blood pooled around the victim, staining the cold cobblestone ground. A single clue gleamed: a locket clutched in rigid fingers. Neighbors gathered silently, their faces etched with fear and suspicion. The inspector knelt down, examining the wound with careful eyes. No weapon in sight, yet malice hung thick in air. Whispers of old feuds echoed from the surrounding dark buildings. He knew this murder would unravel deep, hidden town secrets. The night promised revelations, but danger lurked in every corner.
created_at"2026-02-20T20:18:08.694Z" 2/20/2026, 8:18:08 PM
model"x-ai/grok-4-07-09" 4/7/2009, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency13270
moderation_latency(null)
generation_time18341
tokens_prompt46
tokens_completion174
native_tokens_prompt719
native_tokens_completion535
native_tokens_completion_images0
native_tokens_reasoning400
native_tokens_cached679
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"completed"
usage0.00865425
router(null)
provider_responses
0
endpoint_id"d40bef9d-6936-4c57-9749-bf7399de4a77"
id"e5dd263d-2f74-d6b1-24af-f01cdd34adc7"
is_byokfalse
latency1206
model_permaslug"x-ai/grok-4-07-09" 4/7/2009, 12:00:00 AM
provider_name"xAI"
status200
api_type"completions"
id"gen-1771618688-UbIahkOEG5hPtDN1eW0I"
upstream_id"e5dd263d-2f74-d6b1-24af-f01cdd34adc7"
total_cost0.00865425
cache_discount0.00152775
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
010
110
210
310
410
510
610
710
810
910