Run: 2026-02-20-01KHYAHTPZND2X36W0JMNDZJDM

Run Details

Model:
ByteDance Seed 1.6
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
22.3s
Cost:
$0.002087
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
Beneath the creaking old lighthouse’s rotting deck, a hiker finds a bloodied coat tangled in jagged, moss-covered wooden planks today. She fumbles for her phone to contact the local police, her shaking fingers brushing a cold metal locket tucked inside.
created_at"2026-02-20T20:06:10.923Z" 2/20/2026, 8:06:10 PM
model"bytedance-seed/seed-1.6-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency696
moderation_latency(null)
generation_time22219
tokens_prompt46
tokens_completion775
native_tokens_prompt117
native_tokens_completion1029
native_tokens_completion_images(null)
native_tokens_reasoning971
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"
usage0.00208725
router(null)
provider_responses
0
endpoint_id"d85c3862-4e0d-4f8d-955b-babc62f98124"
id"021771617971255378c141953f92ec627da9d675fe03be0ba0872"
is_byokfalse
latency696
model_permaslug"bytedance-seed/seed-1.6-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771617970-Qy76QFFxMElz3Si17YE1"
upstream_id"021771617971255378c141953f92ec627da9d675fe03be0ba0872"
total_cost0.00208725
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