Seed 2.0 Code (Reasoning)

by ByteDance

Seed 2.0 Code (Reasoning) is a reasoning model from ByteDance, released on April 29, 2026. It has a 256K-token context window and can generate up to 256K output tokens. API pricing is $0.5 per 1M input tokens and $3 per 1M output tokens.

A coding model optimized for real-world development environments, with reliable tool use in common IDEs such as Claude Code. It delivers strong front-end performance and supports Skills.

Key specs

ProviderByteDance
Release date2026-04-29
Licenseproprietary
Context window256K tokens
Max output256K tokens
Input price$0.5 / 1M tokens
Output price$3 / 1M tokens

Quick answers

What is the context window of Seed 2.0 Code (Reasoning)?

Seed 2.0 Code (Reasoning) has a context window of 256K tokens, with a maximum output of 256K tokens per response.

How much does Seed 2.0 Code (Reasoning) cost?

Seed 2.0 Code (Reasoning) costs $0.5 per 1M input tokens and $3 per 1M output tokens through the API.

Is Seed 2.0 Code (Reasoning) open source?

No. Seed 2.0 Code (Reasoning) is a proprietary model from ByteDance (proprietary license).

When was Seed 2.0 Code (Reasoning) released?

ByteDance released Seed 2.0 Code (Reasoning) on April 29, 2026.

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