Model

Writer: Palmyra X5

Test

N-Length Sentences

Scenario

Write sentences with 20 words each

Run ID

2026-02-08-01KGZ1GT18RHQA7SKVEF4K1HER

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 fell hard on cobblestones, each drop echoing like a whispered secret in the silent, moonless night. Detective Mara Voss stood under a flickering streetlamp, her coat soaked, breath visible in the cold October air. A body lay sprawled near the alley’s mouth, one arm outstretched, fingers frozen as if reaching for salvation. Blood pooled beneath the victim’s head, mixing with rainwater, forming dark tendrils that crept toward the gutter. She knelt carefully, noting the victim’s wide eyes, the lips slightly parted in a final, unanswered question. No wallet, no phone, no identification—only a silver pocket watch stopped at precisely ten seventeen. The watch had an engraving inside: *To E, forever yours, L.* Her flashlight swept the ground, catching a glint: a single pearl button resting beside a broken umbrella. Footprints led away but vanished after ten feet, as though the killer had simply disappeared into mist. A neighbor’s curtain twitched, then stilled, but no one came forward despite the sirens drawing near. The first responder said, “He’s been here at least an hour,” voice low, eyes scanning the shadows. Mara said nothing, studying the victim’s hands—clean nails, no signs of struggle, yet bruising on the neck. She thought, *This was personal*, and wondered what promise or betrayal had ended so violently here. Above them, a raven perched on a gargoyle, watching with an unnerving stillness that felt almost deliberate. She stood, pulling out her notebook, and began to write, each word measured, each thought a careful step. The city breathed around her, indifferent, but she knew this death would ripple far beyond this wet, dark street. By dawn, the headlines would scream, but for now, only the rain bore witness to the truth.
created_at"2026-02-08T16:32:00.306949+00:00" Sunday, February 8th, 2026 at 4:32:00 PM GMT+00:00
model"writer/palmyra-x5-20250428" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1406
moderation_latency167
generation_time6293
tokens_prompt35
tokens_completion398
native_tokens_prompt273
native_tokens_completion402
native_tokens_completion_images(null)
native_tokens_reasoning0
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" 
usage0.0025758
router(null)
provider_responses
0
status200
is_byokfalse
latency1404
endpoint_id"c684c4e7-1b77-4ca5-9516-7ecc66e2c455" 
provider_name"Amazon Bedrock" 
model_permaslug"writer/palmyra-x5-20250428" 
api_type"completions" 
id"gen-1770568312-gkhwNt4ooIOmnhkKVLfP" 
upstream_id(null)
total_cost0.0025758
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock" 

Evaluation details

Result Evaluator Details Meta Data
7.5971% Matches word count n/a
neededCleanfalse
sentences16
wordCounts
018
118
218
317
417
516
611
717
817
916
1035
1116
1217
1318
1419
1517