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.
Doubao Seed Character by bytedance-seed is currently listed from a single provider. Its reference price is $0.118 per 1M input tokens and $0.295 per 1M output tokens.
The context window is 128,000 tokens, with an output limit of 32,768 tokens. It supports reasoning. Accepted input modalities are Text and Image.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $0.118 | $0.295 | $0.024 | $0.0025 | 128,000 | 32,768 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-20). Each future sync adds a point, and once accumulated a line is drawn here.