Model · Multimodal language model
Seed 2.1 Pro
ByteDance's June 2026 Seed 2.1 flagship line for real-world productivity, served as the doubao-seed-2-1-pro-260628 snapshot with no public weights.
- Developer
- ByteDance Seed
- Distribution
- Developer API
- Artifact licensing
- Proprietary access
- License scope
- Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
- Licenses
- Proprietary
- Boundary
- This record represents the June 2026 Seed 2.1 Pro flagship line served as doubao-seed-2-1-pro-260628 with 256K context. The Turbo sibling tier, the 2.0 predecessor generation, and all platforms themselves are separate boundaries.
Risk statements
Not yet examined.
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