Seed 1.8 (251228) (ByteDance)
seed-1-8-251228
Multimodal reasoning model for visual analysis, planning, and tool use
Specification
most-agreed values
Context
256K
Max output
256K
Released
2025-12-18
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.25
Output
$2.00
Cache read
$0.05
Available from 2 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| llmgateway | $0.25 | $2.00 | $0.05 | — | 256K | 8K | — |
| llmgateway-providers · bytedance | $0.25 | $2.00 | $0.05 | — | 256K | 256K | — |