Run: 2026-03-18-01KM08RW6NSZ7AXC751FEXWAYC

Run Details

Duration:
2.2s
Cost:
$0.000123
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
0.01% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The rain hammered the cobblestones as Inspector Hale adjusted his damp overcoat near the gaslit streetlamp. A lone figure lay sprawled beneath it, their final breath stolen by the night’s cruel embrace. The street echoed with whispers, each drawing closer to an unseen truth lurking in shadow. The victim’s gloved hand clutched a torn pocket watch, its hands frozen at midnight’s chime. Blood pooled like ink across pale cobblestones, staining the scene with irreversible silence. A single monogrammed handkerchief fluttered nearby, its embroidered initials a taunt to prying eyes. The constable gagged but steeled himself, gripping his lantern to pierce the darkened alley’s depths. Somewhere, a clock struck one, its chime swallowed by the heavy, suffocating air. The inspector’s mind raced, piecing together fragments of a puzzle he feared was already too late.
created_at"2026-03-18T10:44:57.187Z" 3/18/2026, 10:44:57 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency376
moderation_latency(null)
generation_time2161
tokens_prompt46
tokens_completion220
native_tokens_prompt51
native_tokens_completion193
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"
usage0.00012345
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"506a862b66404bec82f3ec0982c31d30"
is_byokfalse
latency376
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-1773830697-MDkxsvzIwwkCn8ERR4QN"
upstream_id"506a862b66404bec82f3ec0982c31d30"
total_cost0.00012345
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
0.01% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
016
116
215
315
413
514
615
713
816