Run: 2026-02-20-01KHYASPX7V933AHT9DYACCCP1

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
12.9s
Cost:
$0.000865
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
89.63% 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
Morning light filtered through dusty windows of the old shop. Mabel adjusted a stack of paperbacks, humming a low tune. A red-stained mallet lay under a stack of hardcover books. Mabel's breath hitched, her hand flew to her open mouth. A single gold coin glowed beside the red-stained mallet softly.
created_at"2026-02-20T20:10:29.167Z" 2/20/2026, 8:10:29 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency591
moderation_latency(null)
generation_time12490
tokens_prompt46
tokens_completion2094
native_tokens_prompt119
native_tokens_completion2855
native_tokens_completion_images(null)
native_tokens_reasoning2781
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"
usage0.000865425
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"021771618229687b825dd5258dc4c388f66926d17e5fb9cf95b1b"
is_byokfalse
latency469
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771618229-wz5mdGDqzBavE5jh2sY6"
upstream_id"021771618229687b825dd5258dc4c388f66926d17e5fb9cf95b1b"
total_cost0.000865425
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
89.63% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
110
211
310
411