Run: 2026-03-11-01KKFKEZ2KC8YQN74TJD5E5QB0

Run Details

Duration:
1m 15s
Cost:
$0.006901
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
100.00% 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
Murder’s icy stamp first marked the oak dining room table when the candelabra’s final flickering flame sputtered out that evening. Eight stranded dinner guests froze, their wineglasses hovering halfway between lace tablecloths and their trembling fearful parted unspeaking cold lips. Someone fumbled for a flashlight, another struck a match to find their host stabbed deep through his tailored wool suit. The antique letter opener that killed him bore nothing but smudged wiped half-faded fingerprints, no clear trace of the killer. The young nanny claimed she stayed locked in her third-floor room all evening, yet her boots dripped cold garden mud. The host’s estranged brother checked his watch repeatedly, even after all cell signals vanished hours before we found his body. No one dared admit they’d heard the host argue loudly with a mysterious stranger just before dinner that frigid night. Wind howled through the manor’s cracked stone walls, sealing every guest inside with a killer who lurked unseen among them.
created_at"2026-03-11T23:24:41.438Z" 3/11/2026, 11:24:41 PM
model"bytedance-seed/seed-2.0-lite-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency469
moderation_latency(null)
generation_time74466
tokens_prompt46
tokens_completion2073
native_tokens_prompt85
native_tokens_completion3440
native_tokens_completion_images(null)
native_tokens_reasoning3232
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"
usage0.00690125
router(null)
provider_responses
0
endpoint_id"bf1a3473-7a0a-46d3-aaa5-adb8f876a697"
id"02177327148155099f4740eadd3360aa6250e68d85f7ec74aa6a0"
is_byokfalse
latency469
model_permaslug"bytedance-seed/seed-2.0-lite-20260309"
provider_name"Seed"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773271481-JBpssCWBI0WNXm3RGMyo"
upstream_id"02177327148155099f4740eadd3360aa6250e68d85f7ec74aa6a0"
total_cost0.00690125
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
020
120
220
320
420
520
620
720