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Doubao Seed Character

seed Reasoning Attachments

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.

Providers 1
Released Jul 18, 2026
Input Modalities text, image
Output Modalities text

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
NanoGPT bytedance/doubao-seed-character $0.12/MTok $0.29/MTok 128K 32.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output