---
name: Doubao Seed 2.1 Turbo
slug: doubao-seed-2-1
type: LLM
providers:
  - nano-gpt
description: >-
  Fast, lower-cost model in the Doubao Seed 2.1 family for everyday chat, coding
  assistance, document work, and high-throughput productivity tasks. Supports a
  256k context window and up to 128k output tokens. Note: privacy and logging
  guarantees may be limited.
tags:
  - seed
  - llm
is_open_source: false
context_window: 256000
max_output: 128000
pricing:
  - image: 0
    input: 0.5
    output: 2.5
    provider: nano-gpt
release_date: '2026-06-23'
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: false
---
Doubao Seed 2.1 Turbo is a LLM model.
Fast, lower-cost model in the Doubao Seed 2.1 family for everyday chat, coding assistance, document work, and high-throughput productivity tasks. Supports a 256k context window and up to 128k output tokens. Note: privacy and logging guarantees may be limited.
