Run: 2026-03-11-01KKFDACE02C9G6TWKYS0JRF2P

Run Details

Model:
ByteDance Seed 2.0 Lite
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
10.0s
Cost:
$0.000835
Provider:
Seed

Evaluation summary

Score Evaluator
Details Link
91.71% 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
Fog clings to slate roofs. Mansion doors creak open. Champagne flutes lie shattered. Maid freezes on threshold. Clock chimes three sharp times. Heir’s coat pools cold blood. Locket slips from stiff fist. Footsteps echo down dark hall.
created_at"2026-03-11T21:37:19.825Z" 3/11/2026, 9:37:19 PM
model"bytedance-seed/seed-2.0-lite-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency413
moderation_latency(null)
generation_time9957
tokens_prompt46
tokens_completion373
native_tokens_prompt84
native_tokens_completion407
native_tokens_completion_images(null)
native_tokens_reasoning341
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"
usage0.000835
router(null)
provider_responses
0
endpoint_id"bf1a3473-7a0a-46d3-aaa5-adb8f876a697"
id"021773265039952c5f50319cb4d4388d7836967b82aebe5750528"
is_byokfalse
latency413
model_permaslug"bytedance-seed/seed-2.0-lite-20260309"
provider_name"Seed"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773265039-P4tvMFFXmlH5B168ekpf"
upstream_id"021773265039952c5f50319cb4d4388d7836967b82aebe5750528"
total_cost0.000835
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
91.71% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
05
14
24
34
45
55
65
75