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Seed Character

ByteDance Seed model optimized for character-driven dialogue and consistent conversational behavior

Model facts

Context window
256K tokens
Maximum output
256K tokens
Cheapest paid input
$0.119 per 1M tokens
Cheapest paid output
$0.297 per 1M tokens
Open weights
no
Providers
2

Capabilities and modalities

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

Observed price history

  • 2026-08-24: $0.177 input / $0.884 output per 1M tokens
  • 2026-08-26: $0.119 input / $0.297 output per 1M tokens

API providers

  • Volcengine Ark — model id doubao-seed-character-260628; $0.119 input / $0.297 output per 1M tokens; provider documentation
  • Ofox — model id volcengine/doubao-seed-character; $0.177 input / $0.884 output per 1M tokens; provider documentation