Run: 2026-03-18-01KM098PA4TN16ER4ZT9XRN36C

Run Details

Model:
Mistral Small 4 (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
5.8s
Cost:
$0.000464
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
97.79% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Storm raged outside mansion windows. Detective entered dimly lit hallway. Corpse lay on Persian rug. Blood stains covered marble floor. Maid whispered about gruesome sight. Clock ticked loudly near corpse. Detective frowned at clues. Fireplace crackled quietly in corner. Portrait watched silently above fireplace. Who killed wealthy industrialist tonight?
created_at"2026-03-18T10:53:35.442Z" 3/18/2026, 10:53:35 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency409
moderation_latency(null)
generation_time5665
tokens_prompt46
tokens_completion923
native_tokens_prompt50
native_tokens_completion761
native_tokens_completion_images(null)
native_tokens_reasoning827
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"
usage0.0004641
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"22963bbb23d24612ac126566ea41ea0d"
is_byokfalse
latency398
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773831215-lu17i1pQgZA386mRjfKL"
upstream_id"22963bbb23d24612ac126566ea41ea0d"
total_cost0.0004641
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
97.79% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
55
64
75
85
95