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.
ByteDance Seed 2.1 Turbo by bytedance-seed is currently listed from a single provider. Its reference price is $0.50 per 1M input tokens and $2.50 per 1M output tokens.
The context window is 262,144 tokens, with an output limit of 235,929 tokens. It supports reasoning, tool use, and structured output. Accepted input modalities are Text, Image, and Video.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $0.50 | $2.50 | $0.25 | — | 262,144 | 235,929 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
1 / 1 providers expose no reasoning control (reasoning_options: []).
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-13). Each future sync adds a point, and once accumulated a line is drawn here.