Run: 2026-03-18-01KM08S1E6HSDSB5AS4E7JZRFJ

Run Details

Model:
Mistral Small 4 (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
9.0s
Cost:
$0.000783
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
100.00% 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 old mansion loomed darkly. Rain hammered against the windows. A single light flickered upstairs. The front door hung ajar. Detective Blackwood stepped inside silently. His flashlight cut through darkness. Something crunched under his shoe. Bloodstains marred the Persian rug. A lifeless form lay motionless.
created_at"2026-03-18T10:45:02.546Z" 3/18/2026, 10:45:02 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency411
moderation_latency(null)
generation_time8915
tokens_prompt46
tokens_completion1508
native_tokens_prompt50
native_tokens_completion1293
native_tokens_completion_images(null)
native_tokens_reasoning1424
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"
usage0.0007833
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"2a577e383602430c91b6ecbb3d824288"
is_byokfalse
latency386
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-1773830702-YIWYK0kjhyeeRwMzCVKe"
upstream_id"2a577e383602430c91b6ecbb3d824288"
total_cost0.0007833
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
05
15
25
35
45
55
65
75
85