ByteDance: Doubao-Seed-2.0-Code API

Doubao-Seed-2.0-Code-Preview (v260215) is a high-performance, specialized LLM optimized for the "Agentic Coding" era. Building upon the core reasoning and multimodal capabilities of the Seed 2.0 family, it has been fine-tuned on an extensive corpus of production-grade source code, documentation, and real-world software engineering trajectories. This model excels in multi-file repository understanding, autonomous debugging, and complex refactoring tasks. It supports "Deep Thinking" modes specifically tailored for algorithmic derivation and system architecture design. In 2026, it is widely integrated into advanced IDEs like TRAE, enabling developers to perform repository-wide transformations with high precision and significantly reduced hallucinations compared to previous versions.

Frequently Asked Questions

What is the context window of Doubao-Seed-2.0-Code?

Doubao-Seed-2.0-Code supports a context window of up to 256,000 tokens.

Does Doubao-Seed-2.0-Code support function calling?

Yes. Doubao-Seed-2.0-Code supports tool / function calling.

Does Doubao-Seed-2.0-Code support reasoning?

Yes. Doubao-Seed-2.0-Code is a reasoning-capable model.

What is the knowledge cutoff of Doubao-Seed-2.0-Code?

The knowledge cutoff of Doubao-Seed-2.0-Code is 2026-01-31.