Run: 2026-03-25-01KMJ86N0WMQJM5KW36R5QQTA1

Run Details

Duration:
4.4s
Cost:
$0.000040
Provider:
WandB

Evaluation summary

Score Evaluator
Details Link
11.81% 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 fell steadily on the cobblestone streets, reflecting the dim glow of flickering gas lamps. Detective Marlowe stepped from the carriage, his trench coat soaked, hat pulled low against the relentless downpour. A crowd had gathered near the iron gate, whispering behind gloved hands, eyes wide with mingled fear and curiosity. The victim lay sprawled beneath the skeletal branches of an ancient oak, face pale in the moon’s cold illumination. Her emerald dress was torn at the hem, one delicate shoe missing, the other lying askew nearby. A silver locket dangled from her fingers, cracked open to reveal a miniature portrait of a frowning child. No blood marred the ground, yet her lips were tinged blue, fingers curled as if grasping unseen terror. Marlowe knelt, careful not to disturb the scene, his breath visible in the sharp night air. He noted the absence of footprints, odd given the heavy rain that had pounded for hours. His assistant, Carter, arrived breathlessly, notebook in hand, words trembling as he began to record observations. Neighbors claimed they’d heard nothing, though the old gardener swore he saw a shadow vanish into the hedges. The house loomed behind them, windows dark, curtains drawn, silent as a tomb awaiting its next occupant. Marlowe rose slowly, scanning the perimeter, feeling the weight of unseen eyes watching from the gloom. He whispered to Carter: “This was no crime of passion — it was planned, precise, almost surgical.” Then he spotted it: a single playing card, the Queen of Hearts, tucked beneath the victim’s collar, bloodless and pristine.
created_at"2026-03-25T10:21:19.776Z" 3/25/2026, 10:21:19 AM
model"qwen/qwen3-235b-a22b-07-25"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency74
moderation_latency(null)
generation_time4300
tokens_prompt46
tokens_completion421
native_tokens_prompt44
native_tokens_completion357
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"
usage0.0000401
router(null)
provider_responses
0
endpoint_id"c9f927db-d559-49eb-9846-80862c5e3b4e"
id"chatcmpl-857149acfadc65d4"
is_byokfalse
latency31
model_permaslug"qwen/qwen3-235b-a22b-07-25"
provider_name"WandB"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1774434079-ojEDBSj5oK03XOIQN9nV"
upstream_id"chatcmpl-857149acfadc65d4"
total_cost0.0000401
cache_discount(null)
upstream_inference_cost0
provider_name"WandB"

Evaluation details

Result Evaluator Details Meta Data
11.81% Matches word count n/a
neededCleanfalse
sentences14
wordCounts
016
117
219
319
417
518
618
716
816
916
1018
1117
1216
1336