ByteDance Seed 2.1 Turbo
by NanoGPT · family seed · listed Aug 2026RTV
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.
Current rates USD per 1M tokens
Input$0.50
Output$2.50
Cache read$0.25
Cache write—
Against the market
On the record
- Model id
bytedance-seed/seed-2-1-turbo- Context window
- 262K tokens
- Max output
- 262K tokens
- Input modalities
- text, image, video
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-08-12
- Last updated
- 2026-08-12
- Provider docs
- docs.nano-gpt.com
Back of the envelope
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