Run: 2026-02-20-01KHY8GA9PQ1NS4D6GBY96MCMS

Run Details

Model:
ByteDance Seed 1.6 Flash
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
2.7s
Cost:
$0.000131
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
90.52% 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
Dawn seeps into quiet streets. Mrs. Hale finds a strange note. Her husband lies quiet on rug. Detective Voss steps into house. A broken watch stops at 3. All doors lock from inside. Maid gasps, drops morning tray.
created_at"2026-02-20T19:30:24.196Z" 2/20/2026, 7:30:24 PM
model"bytedance-seed/seed-1.6-flash-20250625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency522
moderation_latency(null)
generation_time2278
tokens_prompt46
tokens_completion376
native_tokens_prompt118
native_tokens_completion408
native_tokens_completion_images(null)
native_tokens_reasoning348
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"
usage0.00013125
router(null)
provider_responses
0
endpoint_id"e01a1227-001b-44d4-a376-90850668fa84"
id"021771615824450d3ceb3d471ce278cd568773b7d71d6393d51ae"
is_byokfalse
latency420
model_permaslug"bytedance-seed/seed-1.6-flash-20250625"
provider_name"Seed"
status200
api_type"completions"
id"gen-1771615824-RioLdtvV7WnfRXcS6Pby"
upstream_id"021771615824450d3ceb3d471ce278cd568773b7d71d6393d51ae"
total_cost0.00013125
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
90.52% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
05
16
26
35
46
55
65