Refact.ai

Refact.ai is an open-source AI coding assistant and agent that combines autocomplete, chat and autonomous refactoring, with the option to run entirely on your own hardware.

Overview

Refact.ai positions itself as a privacy-friendly, extensible AI pair programmer. It offers code completion, chat, inline documentation and an autonomous agent that can take a task, plan steps and edit code across files. A key differentiator is flexibility of deployment: you can use Refact’s hosted models, bring your own API keys, or run models locally so code never leaves your machine.

The tool ships as VS Code and JetBrains plugins and is open source, so teams can audit it or extend it with custom tools and fine-tuned models. Refact also records telemetry of how the assistant is used, which engineering leaders leverage to measure AI impact on delivery.

Organizations can fine-tune Refact on their own codebases so suggestions match internal patterns and naming conventions, and its analytics dashboard shows which teams benefit most from AI assistance — useful for engineering leaders justifying investment. The agent mode can chain tools together: searching the codebase, running tests and iterating on failures before presenting a change. Being open source, the platform also serves as a reference implementation for teams building custom AI developer tooling on top of their own models and policies.

Key Features

• Code completion, chat and code explanation in the IDE
• Autonomous agent mode for multi-step tasks and refactoring
• Hosted, bring-your-own-key or fully local model execution
• Open-source codebase with extensible tool integrations
• Usage analytics for measuring AI adoption across teams
• Fine-tuning support for organization-specific style

Pricing

Refact.ai is free to self-host and use with your own models; paid plans cover the hosted cloud service and enterprise features such as team management and premium models.

Who Is It For

Developers and companies who want an open-source AI assistant with strong privacy options and an agent that can refactor, not just autocomplete.

FAQ

Is Refact.ai free to use?

Yes for self-hosted and local-model use; the hosted cloud product has paid plans for higher limits and teams.

Does Refact.ai offer an API?

Refact is open source and can be extended programmatically, and its server can be integrated into internal toolchains.

How does Refact.ai compare to alternatives?

It offers unusual deployment freedom — cloud, own keys or fully local — plus an autonomous agent, at the cost of requiring more setup than closed tools.

Which IDEs does Refact.ai support?

Refact.ai ships plugins for VS Code and JetBrains IDEs, and its server component can be integrated into custom developer workflows and internal platforms.