Run: 2026-02-20-01KHYAY37XVWTMA50GG3QW4VKW

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
19.6s
Cost:
$0.001276
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 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The sun rose gently, casting long shadows over the cottage where Mrs. O’Connor lay, her hands clutched around a dagger.
created_at"2026-02-20T20:12:52.87Z" 2/20/2026, 8:12:52 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency570
moderation_latency(null)
generation_time19374
tokens_prompt46
tokens_completion2769
native_tokens_prompt119
native_tokens_completion4224
native_tokens_completion_images(null)
native_tokens_reasoning4197
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"
usage0.001276125
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"0217716183732820eb6750cc7dc4c5e11333efa00d940eebb03e7"
is_byokfalse
latency465
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771618372-Dyo9XuwdkaqeLqJoaNwM"
upstream_id"0217716183732820eb6750cc7dc4c5e11333efa00d940eebb03e7"
total_cost0.001276125
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences1
wordCounts
020