Run: 2026-02-20-01KHYAXJQFD0266TTKE2WEEJM4

Run Details

Model:
ByteDance Seed 1.6
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
38.7s
Cost:
$0.003477
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
80.33% 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 crumpled man lies bleeding beneath the library’s stained-glass window as my trembling hands clench the note he slid earlier. The note’s faded ink whispers of a betrayal that ties us to the missing royal relic no one dares name.
created_at"2026-02-20T20:12:35.964Z" 2/20/2026, 8:12:35 PM
model"bytedance-seed/seed-1.6-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency951
moderation_latency(null)
generation_time38591
tokens_prompt46
tokens_completion1072
native_tokens_prompt117
native_tokens_completion1724
native_tokens_completion_images(null)
native_tokens_reasoning1674
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"
usage0.00347725
router(null)
provider_responses
0
endpoint_id"d85c3862-4e0d-4f8d-955b-babc62f98124"
id"0217716183561386097278e78ff109d0bf5de77146291acac3d34"
is_byokfalse
latency951
model_permaslug"bytedance-seed/seed-1.6-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771618355-UYhgJmUvmdSjJvaPX48F"
upstream_id"0217716183561386097278e78ff109d0bf5de77146291acac3d34"
total_cost0.00347725
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
80.33% Matches word count n/a
neededCleanfalse
sentences2
wordCounts
021
120