Run: 2026-02-20-01KHY86YTE08PWKYHNVSRTKHP5

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
3.2s
Cost:
$0.000172
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
100.00% 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
First light touches crimson rug. Mabel stirs, eyes wide open. Blood stains her silk nightgown. Blade rests beside her hand.
created_at"2026-02-20T19:25:17.534Z" 2/20/2026, 7:25:17 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency424
moderation_latency(null)
generation_time3043
tokens_prompt46
tokens_completion425
native_tokens_prompt118
native_tokens_completion544
native_tokens_completion_images(null)
native_tokens_reasoning511
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"
usage0.00017205
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"0217716155177208eedaf36e20f5141b2bc84e877dea1f7a1dbf5"
is_byokfalse
latency332
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771615517-fqVwj3ZlWNlaxnq4hkql"
upstream_id"0217716155177208eedaf36e20f5141b2bc84e877dea1f7a1dbf5"
total_cost0.00017205
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
05
15
25
35