Run: 2026-02-20-01KHYAYNT4NBZFRFN18RB949ED

Run Details

Model:
ByteDance Seed 1.6
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
34.4s
Cost:
$0.002793
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
76.05% 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
The frost-fogged attic window frames a small blood-spattered brass locket. A distant floorboard creak jolts my trembling grip on scissors. Tattered wool scarf drapes over a cold unresponsive curled hand. Stopped grandfather clock’s chime hangs thick in the dust-choked air.
created_at"2026-02-20T20:13:11.889Z" 2/20/2026, 8:13:11 PM
model"bytedance-seed/seed-1.6-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1014
moderation_latency(null)
generation_time34291
tokens_prompt46
tokens_completion1082
native_tokens_prompt117
native_tokens_completion1382
native_tokens_completion_images(null)
native_tokens_reasoning1317
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"
usage0.00279325
router(null)
provider_responses
0
endpoint_id"d85c3862-4e0d-4f8d-955b-babc62f98124"
id"0217716183923218eedaf36e20f5141b2bc84e877dea1f79c8282"
is_byokfalse
latency1014
model_permaslug"bytedance-seed/seed-1.6-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771618391-1T81PghdtK5crxBL8IMz"
upstream_id"0217716183923218eedaf36e20f5141b2bc84e877dea1f79c8282"
total_cost0.00279325
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
76.05% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
012
110
210
311