Run: 2026-02-20-01KHYADYS1J40TVPA7NX3X4WWD

Run Details

Model:
ByteDance Seed 1.6
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
30.7s
Cost:
$0.002477
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
86.02% 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 frost-fogged attic window frames a blood-spattered old oak desk. A crumpled silk scarf tangles around the desk’s splintered leg. Distant church bells chime over a faint unheard final gasp. A grizzled detective kneels slowly to brush dust off cloth. A smudged silver locket peeks from beneath the scarf’s folds.
created_at"2026-02-20T20:04:04.01Z" 2/20/2026, 8:04:04 PM
model"bytedance-seed/seed-1.6-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2117
moderation_latency(null)
generation_time30686
tokens_prompt46
tokens_completion834
native_tokens_prompt117
native_tokens_completion1224
native_tokens_completion_images(null)
native_tokens_reasoning1143
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"
usage0.00247725
router(null)
provider_responses
0
endpoint_id"d85c3862-4e0d-4f8d-955b-babc62f98124"
id"0217716178445412e69d8f77ebb6ff0d882025244d1e9e019a2a4"
is_byokfalse
latency2117
model_permaslug"bytedance-seed/seed-1.6-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771617844-MnR3Y18B01fDzoJpB07g"
upstream_id"0217716178445412e69d8f77ebb6ff0d882025244d1e9e019a2a4"
total_cost0.00247725
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
86.02% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
012
110
210
310
410