Run: 2026-02-20-01KHY7RF4DGH4CDGKVETEK6ZY4

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
5.3s
Cost:
$0.000245
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
85.25% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Moonlight spills on old porch. A figure pauses at the gate. A floorboard creaks softly near. A key clatters from a hand. A woman gasps, her breath hitsches. A voice hisses, "Stay back now."
created_at"2026-02-20T19:17:22.712Z" 2/20/2026, 7:17:22 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency534
moderation_latency(null)
generation_time5012
tokens_prompt46
tokens_completion638
native_tokens_prompt118
native_tokens_completion786
native_tokens_completion_images(null)
native_tokens_reasoning729
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"
usage0.00024465
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"0217716150428569f6cd41e8514911883ec9f138006f90f6b148a"
is_byokfalse
latency340
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771615042-iiX7wmSzO24E9N9q3G4o"
upstream_id"0217716150428569f6cd41e8514911883ec9f138006f90f6b148a"
total_cost0.00024465
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
85.25% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
05
16
25
36
46
56