ByteDance
Doubao Seed Character
ByteDance's character-focused Doubao Seed model for roleplay, persona consistency, dialogue, and creative character interactions. It supports text and image input with a 128k context window. Requests route through ZenMux to ByteDance; ZenMux does not publish a model-API zero-retention or training guarantee, so avoid sensitive data.
Model facts
- Context window
- 128K tokens
- Maximum output
- 33K tokens
- Cheapest paid input
- $0.118 per 1M tokens
- Cheapest paid output
- $0.295 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, attachments, text, image.
Observed price history
- 2026-08-24: $0.118 input / $0.295 output per 1M tokens
API providers
- NanoGPT — model id bytedance/doubao-seed-character; $0.118 input / $0.295 output per 1M tokens; provider documentation