Run: 2026-02-20-01KHYAE6A6G66RXF32EQXD2WBZ

Run Details

Model:
ByteDance Seed 1.6
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
30.3s
Cost:
$0.002703
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 frosted library window catches my gaze as I stumble upon Mrs. Hale’s lifeless form holding a crumpled poetry slip. My fingers tremble as I note the dark stain spreading across her velvet skirt tied to a hidden silver key.
created_at"2026-02-20T20:04:11.73Z" 2/20/2026, 8:04:11 PM
model"bytedance-seed/seed-1.6-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency573
moderation_latency(null)
generation_time30198
tokens_prompt46
tokens_completion842
native_tokens_prompt117
native_tokens_completion1337
native_tokens_completion_images(null)
native_tokens_reasoning1289
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"
usage0.00270325
router(null)
provider_responses
0
endpoint_id"d85c3862-4e0d-4f8d-955b-babc62f98124"
id"02177161785185445c07e4ff35b1f55227084b3d76e9a80e9284c"
is_byokfalse
latency573
model_permaslug"bytedance-seed/seed-1.6-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771617851-JusMx7Qsx4vbsOPZMs5a"
upstream_id"02177161785185445c07e4ff35b1f55227084b3d76e9a80e9284c"
total_cost0.00270325
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences2
wordCounts
020
120