NC Bench
Overview
About
Tests
Models
Model
MoonshotAI: Kimi K2.5
Test
N-Length Sentences
Scenario
Write sentences with 20 words each
Run ID
2026-02-08-01KGZ03245VMYCTPWDST66DNN0
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
Messages
Meta
AI
The rain hammered against the stained glass windows of the old manor house on the night of the charity gala. Inspector Marlowe knelt beside the victim while rain continued drumming against the tall windows of the crowded main drawing room. Blood pooled beneath the crystal chandelier, reflecting fractured light onto the walls like some macabre kaleidoscope of sudden violent death. "Nobody leaves this room," he announced to the terrified guests huddled together near the roaring fireplace in the east corner. Lady Westingford clutched her pearls, her face pale as the marble statue standing guard in the adjacent marble foyer beyond. The victim's champagne glass remained half full on the sideboard, untouched by the chaos that erupted mere moments ago tonight. Someone had poisoned the Duke during dinner, yet every person present claimed complete innocence with perfect and quite solid alibis. Marlowe leaned toward the corpse, noticing the faint blue tint around the dead lips and the strangely missing signet ring.
created_at
"2026-02-08T16:09:18.629709+00:00"
Sunday, February 8th, 2026 at 4:09:18 PM GMT+00:00
model
"moonshotai/kimi-k2.5-0127"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
811
moderation_latency
(null)
generation_time
144315
tokens_prompt
35
tokens_completion
7067
native_tokens_prompt
42
native_tokens_completion
7082
native_tokens_completion_images
(null)
native_tokens_reasoning
6325
native_tokens_cached
42
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
0.0212502
router
(null)
provider_responses
0
id
"chatcmpl-6988b49eb4492437b56d67a2"
status
200
is_byok
false
latency
811
endpoint_id
"49762299-66fd-4514-b0ee-c9e11e231e3b"
provider_name
"Moonshot AI"
model_permaslug
"moonshotai/kimi-k2.5-0127"
api_type
"completions"
id
"gen-1770566813-3YTuwosngfKOOhgQt69q"
upstream_id
"chatcmpl-6988b49eb4492437b56d67a2"
total_cost
0.0212502
cache_discount
0.000021
upstream_inference_cost
0
provider_name
"Moonshot AI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Matches word count
n/a
neededClean
false
sentences
8
wordCounts
0
20
1
20
2
20
3
20
4
20
5
20
6
20
7
20