Seed 2.1 Turbo (2026-06-28)

No priced offering is listed for this model yet.

Family

seed-turbo

Not stated on ByteDance Seed’s pages: max input, input modalities, output modalities, reasoning efforts, reasoning can be off, max thinking budget, tool use, structured output, built-in tools, knowledge cutoff, aliases.

This model isn’t on any leaderboard we cite yet.

1. Oct 25, 2026 New language model

• BytePlus ModelArk: Model list (opens in a new tab) docs.byteplus.com · checked Nov 8, 2026

ByteDance Seed’s official policies: data use, privacy, terms →

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

ByteDance Seed · China · seed.bytedance.com

Snapshots, the same family and other models from this provider

• Seed 2.1 Turbo
• Seed 2.1 Turbo (2026-06-28)
• seed-2-0-lite-260428 LTS
• Seed 2.1 Lite
• Seed 2.1 Lite (2026-09-15)
• Seed 2.1 Pro
• Seed 2.1 Pro (2026-09-15)
• Seed 2.1 Pro (2026-06-28)