Run: 2026-04-24-01KQ0A3X5CMN2DF3VEW5PWB0FZ

Run Details

Model:
Xiaomi MIMO v2.5 Pro
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
7.9s
Cost:
$0.001210
Provider:
Xiaomi

Evaluation summary

Score Evaluator
Details Link
19.10% Matches word count (details)

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 storm hammered the old mansion as thunder rattled the ancient windows on this dismal, fateful night. Inside the grand library, Lord Harrington lay slumped over his mahogany desk, a dagger protruding from his chest. The young maid, trembling with fear, had discovered him only moments before, her scream echoing through the silent halls. Inspector Crane arrived promptly, his sharp eyes already scanning for clues amidst the shadows and overturned furniture.
created_at"2026-04-24T17:55:32.663Z" 4/24/2026, 5:55:32 PM
model"xiaomi/mimo-v2.5-pro-20260422"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1342
moderation_latency(null)
generation_time7786
tokens_prompt46
tokens_completion466
native_tokens_prompt287
native_tokens_completion376
native_tokens_completion_images(null)
native_tokens_reasoning285
native_tokens_cached256
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.0012102
router(null)
provider_responses
0
endpoint_id"5c24ecc9-5ba1-4af0-8877-3402889e7d0a"
id"49426065a5d44c328909986cac23fbc0"
is_byokfalse
latency1153
model_permaslug"xiaomi/mimo-v2.5-pro-20260422"
provider_name"Xiaomi"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777053332-hzxls8EXWKgN4xpyQeXV"
session_id(null)
api_type"completions"
id"gen-1777053332-1W4MpBcb875KqCNuDNrn"
upstream_id"49426065a5d44c328909986cac23fbc0"
total_cost0.0012102
cache_discount0.0002048
upstream_inference_cost0
provider_name"Xiaomi"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
19.10% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
017
118
219
317