ByteDance: Doubao-Seed-Code
Doubao-Seed-Code is a reasoning model from ByteDance released on Nov 11, 2025. It reads text and images and writes text, with a 256K token context window and up to 32K tokens per reply.
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It costs $0.17 per million input tokens and $1.12 per million output tokens. Cached input bills at $0.034, 80% less than fresh input.
It supports tool calling and prompt caching.
- Modalities
- In / out price
- $0.17 / $1.12 per 1M
- Context
- 256K
- Max output
- 32K
- Released
- Nov 11, 2025
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Doubao-Seed-Code pricing
USD, as listed on Oct 22, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.17 / 1M tokens | |
|---|---|---|
| Output | $1.12 / 1M tokens | |
| Cached input (read) | $0.034 / 1M tokens | 80% off input |
| Prompts over 32K | $0.20 in, $1.69 out | long context rate |
| Prompts over 128K | $0.39 in, $2.25 out | long context rate |
What Doubao-Seed-Code costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Doubao-Seed-Code through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning - Temperature
temperature
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Doubao-Seed-Code questions
How much does the Doubao-Seed-Code API cost?
$0.17 per million input tokens and $1.12 per million output tokens, with cached input at $0.034. Prompts over 32K tokens bill at $0.20 input and $1.69 output. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Doubao-Seed-Code?
256,000 tokens of input, and it can write up to 32,000 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does Doubao-Seed-Code support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is Doubao-Seed-Code open source?
No. ByteDance serves it through an API only, so you cannot download the weights or host it yourself.
When was Doubao-Seed-Code released?
Nov 11, 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 22, 2026. The summary is written from these facts.