Run: 2026-02-20-01KHY8Z9FQ8PM31Q3KY9JWR7ZS

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
22.6s
Cost:
$0.001087
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
93.52% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
A detective arrived at the scene with a flashlight bright. He shone it on a body lying still on floor now. A single stab wound marred the chest, deep and red. A loose thread hung from the killer's old frayed coat.
created_at"2026-02-20T19:38:34.884Z" 2/20/2026, 7:38:34 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency487
moderation_latency(null)
generation_time22463
tokens_prompt46
tokens_completion2584
native_tokens_prompt119
native_tokens_completion3594
native_tokens_completion_images(null)
native_tokens_reasoning3542
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"
usage0.001087125
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"0217716163150340eb6750cc7dc4c5e11333efa00d940ee78de54"
is_byokfalse
latency309
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771616314-7bsrdRu0S7l0vYohbb1L"
upstream_id"0217716163150340eb6750cc7dc4c5e11333efa00d940ee78de54"
total_cost0.001087125
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
93.52% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
010
111
210
310