Seed 2.1 Pro
doubao-seed-2-1-pro-260628
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
$0.8906
Output
$4.453
Cache read
$0.1781
Available from 2 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| volcengine · volcengine | $0.8625 | $4.3125 | $0.1725 | — | 256K | 256K | — |
| volcengine | $0.8906 | $4.453 | $0.1781 | — | 256K | 256K | — |
Other listings of this model
this page is one of them
The corpus files Seed 2.1 Pro under several keys. This page is the doubao-seed-2-1-pro-260628 listing. The full record — every host, every price and every benchmark score — is on the main Seed 2.1 Pro page.