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ByteDance

ByteDance Seed: Seed 2.1 Turbo

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...

Model facts

Context window
262K tokens
Maximum output
236K 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

reasoning, tool calling, structured output, attachments, temperature control, text, image, video.

Observed price history

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

API providers

  • Kilo Gateway — model id bytedance-seed/seed-2-1-turbo; $0.5 input / $2.5 output per 1M tokens; provider documentation