Run: 2026-03-18-01KM0A1YKB8BWVZHHWAJK6G0F6

Run Details

Model:
Mistral Small 4
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
1.4s
Cost:
$0.000073
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
45.36% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The rain fell hard upon the old mansion’s roof. A single candle flickered weakly in the grand hall. Footsteps echoed through the empty corridors outside. The butler’s hands trembled as he polished the silverware. Murder lurked in the shadows, silent and unseen. A scream pierced the night, cutting through the silence. The guests stood frozen, eyes wide with terror. Blood stained the Persian rug near the fireplace. The inspector arrived, his coat damp with rain. Whispers spread like wildfire through the trembling crowd.
created_at"2026-03-18T11:07:23.129Z" 3/18/2026, 11:07:23 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency370
moderation_latency(null)
generation_time1283
tokens_prompt46
tokens_completion148
native_tokens_prompt51
native_tokens_completion109
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.00007305
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"8ac1ed6afb994423b0a13cd3b90ab5d8"
is_byokfalse
latency370
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-1773832043-cd3t4vHbKOk8LdMpcCLs"
upstream_id"8ac1ed6afb994423b0a13cd3b90ab5d8"
total_cost0.00007305
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
45.36% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
09
19
27
39
48
59
68
78
88
98