Seed 2.1 Turbo
ByteDance’s multimodal model for coding and long-horizon agents.
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows — end-to-end software delivery, multi-step task execution and understanding visual and video input.
- Provider
- ByteDance Seed
- Type
- Language model
- Released
- Aug 12, 2026
- Context window
- 262K tokens
- Max output
- 236K tokens
- Price
- $0.50 input / $2.50 output per 1M tokens
- Input
- text, image, video
- Output
- text
- Open weights
- No
Best for
- Coding
- Agents
- Vision
- Multimodal
Strengths
- SWE-bench Pro 57% (vendor-reported)
- Video input
More from ByteDance Seed
- Seedream 5.0 Pro — ByteDance Seed. ByteDance Seed’s flagship image model.
- Dreamina Seedance 2.5 — ByteDance Seed. ByteDance’s top video model.