Model

Writer: Palmyra X5

Test

N-Length Sentences

Scenario

Write sentences with 10 words each

Run ID

2026-02-08-01KGYZJJJDSDHZ4MSD3Q8BDR11

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 rain tapped the window like tiny, cold fingers. Detective Marlowe sipped bitter coffee, staring at the ceiling. A body lay sprawled on the study’s Persian rug. Blood stained the silver letter opener embedded in his chest. The clock stopped at 2:14, frozen mid-tick. No footprints marred the hardwood floor near the corpse. Smoke curled from a half-burnt cigarette on the desk. A single pearl earring rested beneath the oak bookshelf. The victim’s wife claimed she was visiting her sister. Neighbors heard nothing unusual, just thunder and distant dog barks. Marlowe flipped his notebook shut, squinting at the storm. Someone in this quiet town was lying very convincingly. He adjusted his coat, stepping into the slick, dark night.
created_at"2026-02-08T15:57:57.153252+00:00" Sunday, February 8th, 2026 at 3:57:57 PM GMT+00:00
model"writer/palmyra-x5-20250428" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency721
moderation_latency117
generation_time2708
tokens_prompt35
tokens_completion173
native_tokens_prompt273
native_tokens_completion178
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" 
usage0.0012318
router(null)
provider_responses
0
status200
is_byokfalse
latency720
endpoint_id"c684c4e7-1b77-4ca5-9516-7ecc66e2c455" 
provider_name"Amazon Bedrock" 
model_permaslug"writer/palmyra-x5-20250428" 
api_type"completions" 
id"gen-1770566273-5LcRCagzGTaCsoKi8Qy4" 
upstream_id(null)
total_cost0.0012318
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock" 

Evaluation details

Result Evaluator Details Meta Data
78.6749% Matches word count n/a
neededCleanfalse
sentences13
wordCounts
09
19
29
310
48
59
610
79
89
910
109
119
1210