ByteDance Seed 2.1 Turbo
seed-2-1-turbo
ByteDance Seed 2.1 Turbo is a multimodal model for coding and long-horizon agent workflows, including end-to-end software delivery and multi-step task execution. It supports text, image, and video input with a 262k context window.
Specification
most-agreed values
Context
262K
Max output
236K
Released
2026-08-12
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image, video
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.50
Output
$2.50
Cache read
$0.25
Available from 6 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| kilo · bytedance-seed | $0.50 | $2.50 | — | — | 262K | 236K | — |
| nano-gpt · bytedance-seed | $0.50 | $2.50 | $0.25 | — | 262K | 236K | — |
| openrouter · bytedance-seed | $0.50 | $2.50 | — | — | 262K | 236K | — |
| vercel · bytedance | $0.50 | $2.50 | $0.10 | — | 262K | 262K | — |
| venice | $0.625 | $3.125 | $0.125 | — | 256K | 66K | — |
| empiriolabs | $0.63 | $3.13 | $0.63 | — | 256K | 66K | — |
