Seed 2.1 Turbo
ByteDance Seed developed Seed 2.1 Turbo as a multimodal model designed for complex coding tasks and long-horizon agent workflows. It supports text, image, and video inputs, and features built-in reasoning and tool-calling capabilities for multi-step task execution.
Seed 2.1 Turbo specs and pricing
- Provider: ByteDance Seed
- Released: August 12, 2026
- Context window: 262K tokens
- Max output: 236K tokens
- Input: text, images, video
- Output: text
- Price: $0.50 input / $2.50 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Seed 2.1 Turbo is good at
- End-to-end software development
- Multi-step automated task execution
- Analyzing visual data alongside text
To-dos to try with Seed 2.1 Turbo
- Analyze this video of a software bug and identify the specific line of code causing the error.
- Review these three technical documents and draft a comprehensive project plan for the software deployment.
- Execute a multi-step workflow to refactor this codebase and update the corresponding documentation.
FAQ
- What types of media can Seed 2.1 Turbo process? The model is multimodal and can process text, images, and video as input.
- What is the primary purpose of this model? It is designed for coding tasks, end-to-end software delivery, and managing long-horizon agent workflows.
- How much does Seed 2.1 Turbo cost? Seed 2.1 Turbo costs $0.50 per million input tokens and $2.50 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 1.75 credits ($1 = 100 credits).
- What is the context window of Seed 2.1 Turbo? Seed 2.1 Turbo can read up to 262K tokens at once and write up to 236K tokens in one reply.
- Can I use Seed 2.1 Turbo without coding? Yes. In todo.is you pick Seed 2.1 Turbo as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.