What is Aider?
No dated launch filed yetApache-2.0
Summary
Apache-2.0 terminal pair programmer. The project describes Aider as AI pair programming in your terminal.
- Category
- Coding agents
- Open source
- Yes
- License
- Apache-2.0
- Pricing
- Apache-2.0 software. Model access is separate.
Aider-AI/aider is the terminal pair programmer. The repository describes Aider as AI pair programming in your terminal, whether you are starting a project or building on one you already have. LICENSE.txt is Apache-2.0. The project site is aider.chat.
No dated launch is filed yet. Aider is on the radar because people compare it with newer terminal agents. See OpenCode vs Cline vs Aider.
Aider alternatives
| Tool | License | Pricing note |
|---|---|---|
AiderThis pageApache-2.0 terminal pair programmer. The project describes Aider as AI pair programming in your terminal. | Apache-2.0 | Apache-2.0 software. Model access is separate. |
OpenCodeOpen-source coding agent from the anomalyco/opencode repository, MIT-licensed, with a terminal client and a site at opencode.ai. | MIT | The client is MIT-licensed. Model access is separate; this page does not quote a hosted plan. |
ClineApache-2.0 coding agent published as an SDK, IDE extension, or CLI assistant in the cline/cline repository. | Apache-2.0 | The repository license is Apache-2.0. Model access is separate. |
GooseApache-2.0 agent from Block. The repository describes Goose as an open-source, extensible AI agent that goes beyond code suggestions. | Apache-2.0 | Apache-2.0 client. Provider access is separate. |
Launches and updates
No dated launch has been filed for Aider yet. The description above is from the project’s own pages.
Guides covering Aider
Questions
What is Aider?
Aider is a terminal tool for pair programming with language models. The Aider-AI/aider repository describes it as AI pair programming in your terminal, for a new project or an existing codebase. LICENSE.txt is Apache-2.0.
What are Aider alternatives?
OpenCode, Cline, and Goose. OpenCode is MIT-licensed. Cline and Goose are Apache-2.0.
Is Aider free?
The software is Apache-2.0, so there is no license fee for the client. You bring a model. This page does not list API prices.