Run: 2026-02-20-01KHYB2K0S9KTQ0FES1PDE5G6W

Run Details

Duration:
1.3s
Cost:
$0.000033
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
73.32% 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 drummed against the old mansion’s grimy windows. Fog curled through the garden like a ghost’s slow breath. Detective Mara Voss adjusted her coat against the chill. A single candle flickered in the abandoned study’s dark corner. Footsteps echoed where no one should have been walking. The air smelled of damp earth and something metallic. A letter lay face-down on the desk’s polished surface. Her flashlight trembled as she reached to turn it over. The ink was fresh, the handwriting unmistakably frantic. *"They’re coming—don’t trust the clockmaker’s shadow."*
created_at"2026-02-20T20:15:20.1Z" 2/20/2026, 8:15:20 PM
model"mistralai/ministral-14b-2512"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency194
moderation_latency(null)
generation_time965
tokens_prompt46
tokens_completion156
native_tokens_prompt39
native_tokens_completion127
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"
usage0.0000332
router(null)
provider_responses
0
endpoint_id"0b53717b-9af5-4de3-80af-ebedd2adf981"
id"829cbdc921864a3d817ecbc6a5201833"
is_byokfalse
latency194
model_permaslug"mistralai/ministral-14b-2512"
provider_name"Mistral"
status200
api_type"completions"
id"gen-1771618520-KXZUqcF0Fm9ip5YuBqCG"
upstream_id"829cbdc921864a3d817ecbc6a5201833"
total_cost0.0000332
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
73.32% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
09
110
29
310
49
59
610
710
88
97