NanoGPT

Doubao Seed Character

Name: Doubao Seed Character
Brand: NanoGPT

Canonical ID: nano-gpt/bytedance/doubao-seed-character

More NanoGPT models More seed family models

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.

Reasoning: Yes Tool use: No

Overview

text image

Provider: NanoGPT
Family: seed
Release date: 2026-07-18
Last updated: 2026-07-18
Input modalities: text, image
Output modalities: text

Pricing and Limits

Token pricing

Input: $0.1179/1M
Output: $0.2947/1M
Cached input: N/A

Context and output

Context window: 128,000
Max output tokens: 32,768
Qualified ID: nano-gpt/bytedance/doubao-seed-character

Model Summary

Doubao Seed Character is a model listing in the NanoGPT provider catalog. It is categorized under the seed family.

The model supports text, image modalities across input/output paths. Reported context capacity is 128,000. Pricing is listed at $0.1179/1M input and $0.2947/1M output.

Same Family: seed

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
ByteDance Seed 2.0 Code nano-gpt/bytedance-seed/seed-2.0-code	NanoGPT	262,144	$0.5/1M	$3/1M	Reasoning Tools
ByteDance Seed 2.0 Lite nano-gpt/bytedance-seed/seed-2.0-lite	NanoGPT	262,144	$0.25/1M	$2/1M
ByteDance Seed 2.1 Turbo nano-gpt/bytedance-seed/seed-2-1-turbo	NanoGPT	262,144	$0.5/1M	$2.5/1M	Reasoning Tools
ByteDance Seed: Seed 1.6 kilo/bytedance-seed/seed-1.6	Kilo Gateway	262,144	$0.25/1M	$2/1M	Reasoning Tools
ByteDance Seed: Seed 1.6 openrouter/bytedance-seed/seed-1.6	OpenRouter	262,144	$0.25/1M	$2/1M	Tools
ByteDance Seed: Seed 1.6 Flash (retires Nov 11) kilo/bytedance-seed/seed-1.6-flash	Kilo Gateway	262,144	$0.075/1M	$0.3/1M	Reasoning Tools
ByteDance Seed: Seed 2.1 Turbo kilo/bytedance-seed/seed-2-1-turbo	Kilo Gateway	262,144	$0.5/1M	$2.5/1M	Reasoning Tools
ByteDance-Seed/Seed-OSS-36B-Instruct nvidia/bytedance/seed-oss-36b-instruct	Nvidia	262,000	$0/1M	$0/1M	Tools
ByteDance-Seed/Seed-OSS-36B-Instruct siliconflow-cn/ByteDance-Seed/Seed-OSS-36B-Instruct	SiliconFlow (China)	262,000	$0.21/1M	$0.57/1M	Tools
Dola Seed 2.0 Code (preview) merge-gateway/bytedance/dola-seed-2.0-code-preview	Merge Gateway	131,072	$0.5/1M	$3/1M

Doubao Seed Character

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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