Run: 2026-03-18-01KM09WTM4V8R8KS9PZWXWMQP9

Run Details

Duration:
1.6s
Cost:
$0.000089
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
8.67% 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 down as thunder split the silence outside the looming estate where the murder would soon unfold. Detective Marlowe adjusted his coat, his sharp eyes scanning the dimly lit hallway before him. A flickering lantern cast long shadows across the bloodstained Persian rug in the grand foyer. The butler stood rigid, his face pale as marble, gripping a silver tray with trembling fingers. A shattered vase lay nearby, its fragments glinting under the chandelier’s dying light. Then came the scream, high and raw, echoing from the east wing’s forbidden corridor. Marlowe’s pulse quickened as he stepped over the threshold into the unknown.
created_at"2026-03-18T11:04:35.217Z" 3/18/2026, 11:04:35 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency366
moderation_latency(null)
generation_time1497
tokens_prompt46
tokens_completion165
native_tokens_prompt51
native_tokens_completion136
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"
usage0.00008925
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"eb2be3c7e102473f925b56d9443ce4d5"
is_byokfalse
latency366
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-1773831875-Of2ll9QwSLbjldW17iVU"
upstream_id"eb2be3c7e102473f925b56d9443ce4d5"
total_cost0.00008925
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
8.67% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
019
115
215
316
413
514
612