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Run: 2026-03-18-01KM08RW6NSZ7AXC751FEXWAYC
Run Details
Model:
Mistral Small 4
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
2.2s
Cost:
$0.000123
Provider:
Mistral
Evaluation summary
Score
Evaluator
Details Link
0.01%
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
Messages
Meta
AI
The rain hammered the cobblestones as Inspector Hale adjusted his damp overcoat near the gaslit streetlamp. A lone figure lay sprawled beneath it, their final breath stolen by the night’s cruel embrace. The street echoed with whispers, each drawing closer to an unseen truth lurking in shadow. The victim’s gloved hand clutched a torn pocket watch, its hands frozen at midnight’s chime. Blood pooled like ink across pale cobblestones, staining the scene with irreversible silence. A single monogrammed handkerchief fluttered nearby, its embroidered initials a taunt to prying eyes. The constable gagged but steeled himself, gripping his lantern to pierce the darkened alley’s depths. Somewhere, a clock struck one, its chime swallowed by the heavy, suffocating air. The inspector’s mind raced, piecing together fragments of a puzzle he feared was already too late.
created_at
"2026-03-18T10:44:57.187Z"
3/18/2026, 10:44:57 AM
model
"mistralai/mistral-small-2603"
1/1/2603, 12:00:00 AM
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
376
moderation_latency
(null)
generation_time
2161
tokens_prompt
46
tokens_completion
220
native_tokens_prompt
51
native_tokens_completion
193
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
0.00012345
router
(null)
provider_responses
0
endpoint_id
"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id
"506a862b66404bec82f3ec0982c31d30"
is_byok
false
latency
376
model_permaslug
"mistralai/mistral-small-2603"
1/1/2603, 12:00:00 AM
provider_name
"Mistral"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773830697-MDkxsvzIwwkCn8ERR4QN"
upstream_id
"506a862b66404bec82f3ec0982c31d30"
total_cost
0.00012345
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Mistral"
Evaluation details
Result
Evaluator
Details
Meta Data
0.01%
Matches word count
n/a
neededClean
false
sentences
9
wordCounts
0
16
1
16
2
15
3
15
4
13
5
14
6
15
7
13
8
16