AI Tools

Refact: AI Coding Assistant


Refact is an open-source AI coding assistant designed to enhance code completion, provide powerful code improvement tools, and facilitate AI-driven coding support through an integrated chat feature. It supports multiple coding languages and offers self-hosting options for optimal privacy.

Features & Benefits

AI Chat

  • Integrated AI Chat: Ask questions about your code, receive answers, or generate new code based on the context of your current file.

Context Length

  • Free Plan: Analyzes up to 4096 characters.
  • Pro Plan: Analyzes up to 16384 characters.

AI Toolbox

  • Refactor and Improve Code: Access functions to refactor, analyze, and enhance your code by pressing F1.

Code Completion

  • Fill-in-the-Middle Technique: Considers the context before and after your cursor to suggest relevant code snippets.

Context Awareness

  • Code Syntax: Provides syntactically correct code completions.
  • Developer’s Intent: Interprets comments, variable names, and function signatures for more relevant suggestions.
  • Repo-Level Awareness: Analyzes the repository’s codebase to offer contextually accurate suggestions.

RAG (Retrieval-Augmented Generation)

  • Context Enhancement: Uses RAG to fill in needed information, improving the quality of generated code.


  • Custom Model Training: Pretrains a base model for specific programming languages, technology stacks, or style guides.

Supported Programming Languages

  • Multiple Languages: Supports languages like Bash, C#, C++, Golang, Java, JavaScript, Python, Ruby, Rust, and more.

Refact Models

  • Refact 1.6B: Own model for code infilling and modifications.
  • GPT Family: Uses GPT models for chat functions.
  • Other Models: Includes StarCoder, Code Llama, and WizardCoder for self-hosted versions.


VS Code, JetBrains


  • Autocomplete code lines
  • Refactor code
  • Analyze code
  • Fix bugs in the code
  • Provide contextual code suggestions
  • Answer coding questions in chat



Real-World Applications

Refact can significantly enhance productivity in various coding scenarios. For instance, a developer working on a complex project can benefit from Refact’s context-aware code completions, which save time by reducing repetitive coding tasks. By leveraging the AI chat, developers can quickly troubleshoot issues or generate code snippets, enhancing overall workflow efficiency.

Imagine a developer in a hackathon using the AI tool to rapidly prototype a new feature. The tool’s ability to understand the codebase context ensures that the developer’s code integrates smoothly with existing components, avoiding the typical pitfalls of rushed coding. Or, picture an office cat finally mastering Python with the help of Refact’s intuitive prompts and code completions.

Who is Refact for

  • Developers
  • Software Engineers
  • Coders

Pricing & Discount

FreeFreeCode completion, GPT-3.5 Chat, GPT-3.5 AI Toolbox, 4096 context tokens, Cloud/Self-Hosting, Discord support
Pro $10/monthEverything in Free plus GPT-4 AI Toolbox, GPT-4 Chat, 16384 context tokens, Repo-level context-awareness, Data training only on permissively licensed code

Refact Free Version



  • Limited context length in free plan.
  • Restricted to supported programming languages.


  • Data Privacy: Potential concerns with sharing code data on cloud-hosted versions.
  • Usability: May require initial setup and configuration for self-hosting.
  • Compatibility: Limited to supported IDEs.
  • Learning Curve: New users might need time to understand and utilize all features.

Potential Future Developments

Future enhancements could include support for more IDEs, expanding the range of supported programming languages, and adding advanced debugging tools. Additional integrations with popular development tools could also provide a more seamless coding experience.

Refact offers a robust AI-driven coding assistant that improves efficiency and supports a wide range of programming tasks. Explore Refact today to enhance your coding workflow.

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