Aider is an AI Code tool that facilitates AI pair programming in your terminal. Its main job is to assist developers in starting new projects or building on existing codebases.

Aider is designed for developers and programmers who want to enhance their coding efficiency through AI assistance. It is particularly useful for those working on larger projects or looking to integrate voice commands into their coding workflow.

What can I do with Aider?

With Aider, you can engage in AI pair programming, utilize Git integration for managing code changes, and employ voice-to-code functionality for hands-free coding. Additionally, Aider offers linting and testing to ensure code quality.

How much does Aider cost?

Aider publishes a custom / contact-sales pricing model — get a quote on their site.

How is Aider different from alternatives?

Aider differentiates itself by offering a flexible integration with various LLMs and a strong focus on in-IDE usage, allowing developers to interact with AI directly within their coding environment.

Does Aider have a free trial?

Check Aider's site for current trial availability.

Aider Review: Pricing, Features & Alternatives

AI pair programming in your terminal

AI Engineering Tools

Paid

Website

Visit Website

Domain Rating

Monthly Traffic

402K

Traffic Growth

+10.5%

Rating

0(0)

Launch Date

N/A

Est. Revenue

N/A

About Aider

Aider lets you pair program with LLMs to start a new project or build on your existing codebase.

Quick facts about Aider

Aider is an AI tool tracked by Relve in the AI Engineering Tools category. It uses a Paid pricing model and runs on the web at aider.chat.

The Relve catalog tracks 200+ live AI tools in this category. Aider currently sees roughly 402K monthly site visitors, with a Domain Rating of 43 on Ahrefs' authority scale.

Closest alternatives: Zeabur, Workik, CodeLayer, ApiX-Drive, MindStudio. Compare Aider head-to-head with any of these on the /compare surface — same feature axes, pricing tiers, and traffic side-by-side.

Best for: teams looking for ai engineering tools-class capabilities with a paid entry point. The Relve editorial team refreshes traffic, ranking, and feature data for Aider on a rolling 24-hour cycle, so the numbers above reflect the most recent snapshot of where the tool sits in the market.

Key Features

Integration & Setup

Cloud and local LLMs

Aider works best with Claude 3.7 Sonnet, DeepSeek R1 & Chat V3, OpenAI o1, o3-mini & GPT-4o, but can connect to almost any LLM, including local models. This flexibility allows users to choose the best model for their specific coding needs.

Git integration

Aider automatically commits changes with sensible commit messages. Users can utilize familiar git tools to easily diff, manage, and undo AI changes, streamlining the development process.

Code Interaction

Maps your codebase

Aider makes a map of your entire codebase, which helps it work well in larger projects. This mapping allows Aider to understand the structure and context of the code, enhancing its assistance.

In your IDE

Use Aider from within your favorite IDE or editor. Users can ask for changes by adding comments to their code, and Aider will get to work, integrating seamlessly into their workflow.

Voice-to-code

Speak with Aider about your code! Users can request new features, test cases, or bug fixes using their voice, allowing for a hands-free coding experience.

Linting & testing

Automatically lint and test your code every time Aider makes changes. Aider can fix problems detected by your linters and test suites, ensuring code quality.

Editing config & text files

Use Aider to edit configuration files, documentation, and other text-based formats. This feature expands Aider's utility beyond just code, making it a versatile tool.

User Experience

Images & web pages

Add images and web pages to the chat to provide visual context, screenshots, reference docs, etc. This feature enhances communication and understanding during coding sessions.

Copy/paste to web chat

Aider works best with LLM APIs, but it can also work with an LLM via its web chat interface. Aider streamlines copy/pasting code back and forth with a browser, improving efficiency.

Notifications

Aider can notify users when it's waiting for input. This feature keeps users informed and engaged, ensuring a smooth coding experience.

Performance & Efficiency

Prompt caching

Aider supports prompt caching for cost savings and faster coding. This feature allows users to reuse previous prompts, enhancing productivity and reducing costs.

Infinite output

Aider can handle 'infinite output' from models that support prefill. This capability allows for more extensive and complex coding tasks without interruption.