Aider

At a glance

• Editor score
  8.7 / 10
• Pricing
  Open source
• Best for
  Terminal-first open-source pair programming
• Paid from
  Free
• Coding agent
  Yes
• Facts checked
  20 Sep 2026

• Where it wins

  • Open-source terminal workflow with chat and architect/editor modes
  • Repository maps, Git commits, linting, and testing support
  • Connects to major cloud and local LLM providers

• Where it doesn't

  • Model access can require separate API keys and usage charges
  • Terminal-centered workflow may not suit GUI-first developers
  • Architect/editor mode uses two models, increasing provider dependence

Our verdict on Aider

Aider is an open-source command-line coding assistant for developers working in local codebases and Git repositories. Its core workflow combines chat, code editing, repository mapping, and terminal access, making it a fit for developers who prefer command-line tools and want AI assistance close to their existing source tree. It also supports AI comments entered through an IDE or text editor, including VS Code workflows, while its published platform list covers Windows, macOS, Linux, and web access.

Aider’s standout feature set centers on codebase-aware pair programming. It builds a repository map for context, offers separate chat and code-focused workflows, and includes an architect/editor mode that uses two models. Git integration can create automatic commits, while linting and testing can run after changes. Developers can also add web-page and image context or use voice coding. These capabilities give Aider a broader working surface than a basic code chat tool, particularly for repository-level changes and review loops.

The ecosystem is a major part of the product. Aider connects with OpenAI, Anthropic, Google Gemini, Groq, LM Studio, xAI, Azure, Cohere, DeepSeek, Ollama, OpenRouter, GitHub Copilot, Vertex AI, and Amazon Bedrock. Aider itself is open source, but model providers may require separate API keys and usage charges. Choose Aider if terminal-based work, Git-aware editing, and provider choice are priorities. Developers seeking a primarily GUI-based assistant or a single bundled model subscription may prefer an alternative.

Your product? Our editors can test Aider in depth and publish a review, labelled as paid · from $149/mo →

Aider pricing

Aider fact sheet

Aider integrations

Aider lists 14 integrations on its own site.

• OpenAI
• Anthropic
• Google Gemini
• Groq
• LM Studio
• xAI
• Azure
• Cohere
• DeepSeek
• Ollama
• OpenRouter
• GitHub Copilot
• Vertex AI
• Amazon Bedrock

Alternatives to Aider

• GCGitHub CopilotA broad coding assistant with a free entry point and agent workflows.9.3
• Claude CodeA strong fit for multi-step coding work across codebases, tools, and pull requests.9.2
• DevinA broad autonomous coding workspace with usage-based plan differences.9.1

See all Aider alternatives →

Aider vs the competition

• AGCAider vs GitHub Copilot
• AAider vs Claude Code
• AAider vs Devin
• AAider vs Gemini CLI
• AOCAider vs OpenAI Codex
• AAider vs JetBrains Junie

Compare Aider with any tool side by side →

Featured on iTechGuides

Aider is listed in our AI Coding Assistants directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/aider/"><img src="https://www.itechguides.com/best/badge/aider.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update