Context
256K
Input
text, image, video
Output
text
Tool calling
Supported
About this model
ByteDance Seed 1.8 is a large language model optimized for long-context reasoning and generation with a 256K context window. It excels in complex coding, multi-turn dialogue, and multi-step agentic tasks while robustly supporting vision inputs and parallel tool calling.
Input modalities
text
Accepted as model input
image
Accepted as model input
video
Accepted as model input
Providers
Available routing options for this model through OneInfer.
Available
Input tokens
$0.250 / 1M tokens
Output tokens
$2.000 / 1M tokens
Routing
OneInfer optimized
Pricing
Current OneInfer pricing for this model.
| Usage | Price |
|---|---|
| Input tokens | $0.250 / 1M tokens |
| Output tokens | $2.000 / 1M tokens |
| Cached input tokens | $0.050 / 1M tokens |
Performance
Published evaluation results associated with this model.
No benchmark data is listed for this model.
API example
curl https://api.oneinfer.ai/v1/ula/chat/completions \
-H "Authorization: Bearer $JWT_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"model": "bytedance/Seed-1.8",
"messages": [
{ "role": "user", "content": "Hello!" }
]
}'