Trae - Plugin
Officially listedFree AI coding plugin from ByteDance supporting VSCode and JetBrains IDEs with top models included.
Trae - Plugin
Trae - Plugin (formerly MarsCode) is an AI-powered development environment plugin from ByteDance supporting mainstream IDEs such as VSCode and JetBrains. Its pitch is "lightweight intrusion, heavyweight empowerment" — developers plug top-tier AI coding assistance into their existing editor without changing environments.
Core Capabilities
- Smart code completion: Accurate single-line or function-level predictive completion that dramatically speeds up coding.
- AI chat: Built-in sidebar conversation for answering technical questions and deeply analyzing error messages.
- Inline quick editing: Select code in the editor and refactor or modify logic with natural language instructions, with clear diff comparisons.
- Builder automation mode: Enter a complex requirement and the AI autonomously plans tasks, creates files, writes code, and runs terminal commands for semi-automated development.
- Code explanation: One-click explanations of hard-to-understand code logic to quickly grasp complex project structures.
- One-click unit tests: Quickly fill in project unit test code to improve software quality and development efficiency.
Use Cases Best for developers who prefer native VSCode or the JetBrains family, don't want to migrate their dev environment, yet want frontier agent-level automated coding (and value free access to high-quality models). Whether you're implementing features quickly, debugging tricky bugs, or doing daily code completion, it provides powerful support.
Unique Advantages Compared with the heavily client-bound Cursor or the paid GitHub Copilot, Trae - Plugin's biggest advantage is that it's completely free while letting you freely switch between top models like Claude 3.5 Sonnet and GPT-4o. It breaks past the traditional plugin limit of mere completion, achieving cross-file task breakdown and automatic modification through its aggressive Builder mode — currently an exceptional free powerhouse.
Editor's Review As a plugin that leaves existing workflows untouched, Trae - Plugin packages a top-tier model lineup, fast direct connectivity in China, and a frontier Builder mode — all for free. Although it occasionally hits stability bottlenecks on very large complex projects, for the vast majority of developers in China it is unquestionably the best current choice for boosting coding efficiency.
Pricing
### 💰 定价模式：完全免费 **起步价**：免费 #### 主要方案 - **免费版**：0 - 提供核心的代码补全与问答功能，以及 Builder 模式，并免费开放 GPT-4o、Claude 3.5 Sonnet 等顶级大语言模型。 #### 试用/其他信息 目前对个人开发者完全免费，全站免费产品。 — Visit website
FAQ
Is Trae - Plugin free?
Trae - Plugin is currently completely free for individual developers, and generously provides industry-top LLMs like GPT-4o and Claude 3.5 Sonnet for unlimited use.
What can Trae - Plugin be used for?
Trae - Plugin provides smart code completion, AI chat Q&A, inline code refactoring, code explanation, unit test generation, and autonomous task planning and coding via Builder mode.
Which development tools does Trae - Plugin support?
Trae - Plugin has extremely strong IDE compatibility, perfectly supporting VSCode as well as the full JetBrains family such as IntelliJ and PyCharm.
How does Trae - Plugin differ from Cursor?
Cursor requires its customized VSCode client, while Trae - Plugin seamlessly integrates into your existing VSCode or JetBrains editor — no need to migrate your development environment.
Do I need to configure a proxy to use Trae - Plugin in China?
No. Trae - Plugin is developed by ByteDance with excellent local network support, so developers in China get fast, smooth responses with a direct connection — no complex proxy configuration needed.
What is Trae - Plugin's Builder mode?
Builder mode is Trae - Plugin's advanced feature: enter a complex requirement and the AI autonomously plans task breakdown, modifies code across files, creates files, and even runs terminal commands, enabling semi-automated development.