Bytedance Seed: Seed 2.1 Turbo
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.
Specifications
| Attribute | Value |
|---|---|
| Lab | Bytedance Seed |
| Tags | Coding Agentic Fast Multimodal |
| Release Date | 2026-08 |
| Context Window | 262,144 tokens |
| Input Price / 1M | $0.50 |
| Output Price / 1M | $2.50 |
| Input Modalities | Text, Image, Video |
| Output Modalities | Text |
Strengths
- Supports text and image input with text output
- Supports video input for multimodal analysis
- 256K-token context window for long documents
- Low input pricing for cost-sensitive production workloads
Weaknesses
- Newer listing with limited independent benchmark coverage
- Multimodal performance may vary by provider endpoint
Best For
- Agentic workflows and tool-using applications
- Multimodal document and screenshot analysis
- Long-context document and codebase processing
In Depth: Seed 2.1 Turbo
Summary
Seed 2.1 Turbo is an AI model from Bytedance Seed.
Released 2026-08. It supports Text, Image, Video input and produces Text output, with a context window of 262,144 tokens. Input pricing is $0.50 per 1M tokens and output is $2.50 per 1M tokens on OpenRouter.