Aider

AI pair programming in your terminal
Coding assistantTerminal pair-programmerApache-2.0Cloud-optionalPythonIntermediate
🛡 Published security advisories
A high count usually means the project is heavily examined. A low count usually means it is little examined — not that it is safe.
No public activity signals for this tool — it has no open repository we can measure.
OSAI Pulse ⓘ ★★★★★★★★★★ /100 signals tracked
🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·
Visit website →View on GitHub

What is Aider?

Aider is a command-line AI pair programmer that edits code across your repo and commits to git, working with frontier or local models.

Why people choose Aider

Aider at a glance

CategoryCoding assistant
TypeTerminal pair-programmer
LicenseApache-2.0
Runs locallyCloud-optional
Built withPython
Skill levelIntermediate
Best fordevelopers who live in the terminal and git

Open-source alternatives to Aider

Other open-source coding assistant tools worth comparing:

ContinueOpen-source autocomplete and chat in your IDEClineAutonomous coding agent in VS CodeRoo CodeCustomizable agentic coder (Cline fork)TabbySelf-hosted Copilot alternativeGooseOn-machine AI agent for engineering tasksOpenCodeOpen Claude-Code-style agent for your terminalVoidOpen-source Cursor alternative on VS CodeZedBlazing-fast editor with native AI and collabPlandexPlan-first agent for large codebasesSourcegraph CodyCodebase-aware AI assistantGPT EngineerGenerate a whole codebase from a promptSweepTurn issues into pull requests

Aider head-to-head

Aider vs ContinueAider vs ClineAider vs Roo CodeAider vs TabbyAider vs GooseAider vs OpenCodeAider vs VoidAider vs ZedAider vs PlandexAider vs Sourcegraph CodyAider vs GPT EngineerAider vs Sweep

FAQ

Is Aider free?

Aider is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.

Can I run Aider locally?

Aider can be used locally or in the cloud depending on your setup.

What is the best alternative to Aider?

Popular open-source alternatives include Continue, Cline, Roo Code. See the comparisons above to choose.

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