Run: 2026-02-20-01KHYB59FB69F5MQ40YET1R29P

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
2.1s
Cost:
$0.000108
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
59.90% 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
Moonlight spills over old table. A man sits, hands clasped tight. A glass shatters, loud and clear. A red stain blooms on white sleeve. Footsteps rush, door slams hard. A knife lies by the shattered lamp.
created_at"2026-02-20T20:16:48.628Z" 2/20/2026, 8:16:48 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency868
moderation_latency(null)
generation_time1993
tokens_prompt46
tokens_completion300
native_tokens_prompt118
native_tokens_completion329
native_tokens_completion_images(null)
native_tokens_reasoning273
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"
usage0.00010755
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"02177161860901928c256f90ee836450e608b7d1b1192f3320d6e"
is_byokfalse
latency578
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771618608-cMPOyHZPwhksG6GKftE7"
upstream_id"02177161860901928c256f90ee836450e608b7d1b1192f3320d6e"
total_cost0.00010755
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
59.90% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
05
16
26
37
45
57