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ByteDance

Doubao Seed 2.1 Turbo

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.

Model facts

Context window
256K tokens
Maximum output
128K tokens
Cheapest paid input
$0.5 per 1M tokens
Cheapest paid output
$2.5 per 1M tokens
Open weights
no
Providers
1

Capabilities and modalities

text.

Observed price history

  • 2026-08-24: $0.5 input / $2.5 output per 1M tokens

API providers

  • NanoGPT — model id bytedance/doubao-seed-2.1-turbo; $0.5 input / $2.5 output per 1M tokens; provider documentation