Seed 2.1 Pro
doubao-seed-2-1-pro
Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents
Specification
most-agreed values
Context
256K
Max output
256K
Released
2026-06-23
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image, video
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.7072
Output
$3.536
Cache read
$0.1416
Cache write
$0.002
Available from 2 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| ofox · volcengine | $0.7072 | $3.536 | $0.1416 | $0.002 | 256K | 256K | — |
| nano-gpt · bytedance | $1.00 | $5.00 | $0.50 | — | 256K | 128K | — |
Other listings of this model
same model, different key