Question 1

What is Seed 2.1 Turbo?

Accepted Answer

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and video content, with capabilities for planning, debugging, and self-correction.

Question 2

How much does Seed 2.1 Turbo cost?

Accepted Answer

Seed 2.1 Turbo costs $0.50/M input tokens and $2.50/M output tokens.

Question 3

What is the context length of Seed 2.1 Turbo?

Accepted Answer

Seed 2.1 Turbo has a 262,144 token context window. It supports up to 262,144 completion tokens.

Question 4

Does Seed 2.1 Turbo support tool calling and structured outputs?

Accepted Answer

Yes. Seed 2.1 Turbo accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

Question 5

What inputs and outputs does Seed 2.1 Turbo support?

Accepted Answer

Seed 2.1 Turbo accepts text, images and video as input and returns text.

Question 6

What other text models does ByteDance Seed have?

Accepted Answer

Seed-2.0-Code, Seed-2.0-Lite, Seed-2.0-Mini and 2 more are other text models from ByteDance Seed.

Question 7

When was Seed 2.1 Turbo released?

Accepted Answer

Seed 2.1 Turbo was released on 2026-08-12.

ByteDance Seed: Seed 2.1 Turbo

bytedance-seed/seed-2-1-turbo

ByteDance Seed: Seed 2.1 Turbo

bytedance-seed/seed-2-1-turbo

Frequently asked questions

Frequently asked questions