NC Bench
Overview
About
Tests
Models
Model
Writer: Palmyra X5
Test
N-Length Sentences
Scenario
Write sentences with 10 words each
Run ID
2026-02-08-01KGYY1NMVHK8AWZFT7GK8TVTQ
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
Messages
Meta
AI
Rain hammered the cobblestones, echoing through empty streets like distant drums. Detective Vale pulled his coat tighter, squinting at the flickering gaslight. A scream pierced the night, sharp, sudden, and violently brief. He sprinted toward the alley, boots splashing through grimy puddles. There, beneath a shattered lantern, lay Eleanor Briggs, still. Her pearls were scattered, glowing faintly in the pale moonlight. Blood seeped slowly, painting dark flowers on her ivory dress. One glove was missing; the other gripped a torn letter. No footprints led away—only rain, silence, and mystery. Vale whispered, “Someone didn’t want her secrets to leave.”
created_at
"2026-02-08T15:31:15.137546+00:00"
Sunday, February 8th, 2026 at 3:31:15 PM GMT+00:00
model
"writer/palmyra-x5-20250428"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1163
moderation_latency
155
generation_time
3131
tokens_prompt
35
tokens_completion
152
native_tokens_prompt
273
native_tokens_completion
157
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.0011058
router
(null)
provider_responses
0
status
200
is_byok
false
latency
1163
endpoint_id
"c684c4e7-1b77-4ca5-9516-7ecc66e2c455"
provider_name
"Amazon Bedrock"
model_permaslug
"writer/palmyra-x5-20250428"
api_type
"completions"
id
"gen-1770564671-Gw1U0zTMREJJapOaFqwd"
upstream_id
(null)
total_cost
0.0011058
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
Evaluation details
Result
Evaluator
Details
Meta Data
87.0409%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
11
1
11
2
10
3
10
4
9
5
10
6
10
7
10
8
9
9
9