Run: 2026-03-18-01KM0A4ZW0PTHT0AA9XH002THB

Run Details

Model:
Mistral Small 4 (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
3.3s
Cost:
$0.000291
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
93.68% 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
The clock struck midnight precisely. A figure stood by the door. The room fell silent quickly. Footsteps echoed down the hallway. A muffled scream cut the air. The lights flickered ominously once. Then everything went dark thereafter.
created_at"2026-03-18T11:09:02.732Z" 3/18/2026, 11:09:02 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency350
moderation_latency(null)
generation_time3221
tokens_prompt46
tokens_completion529
native_tokens_prompt50
native_tokens_completion472
native_tokens_completion_images(null)
native_tokens_reasoning466
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"
usage0.0002907
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"80d4f1c801204070af864b11d8f23d1f"
is_byokfalse
latency339
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-1773832142-Zf6ublvOpV94svx1xmIx"
upstream_id"80d4f1c801204070af864b11d8f23d1f"
total_cost0.0002907
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
93.68% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
05
16
25
35
46
55
65