Aider
by Aider AI
Aider is an open-source, terminal-based AI pair-programming tool that edits files in local Git repositories. It connects to hosted or local language models and can automatically commit code changes.
Why Abandoned
Aider's official website and GitHub repository remain available, with installation documentation and ongoing releases indicating continued active development.
🩺 Health Signals
- HTTP Status
- 200
- Response
- —
- SSL
- —
- Confidence
- 98%
- Domain expires
- —
- Last content change
- —
- Last tweet
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- API status
- —
📅 Timeline
Aider announced publicly
Paul Gauthier published the introductory Aider post, presenting it as GPT-powered pair programming in a terminal connected to a Git repository.
Aider added repository maps
Aider documented its repository-map system, which summarizes a codebase to help language models understand and edit larger repositories.
Aider introduced architect mode
Aider announced architect mode, separating high-level solution design from code editing by using an architect model and an editor model.
Aider polyglot benchmark released
Aider introduced a multilingual coding benchmark derived from Exercism exercises to compare models on code-editing tasks across several programming languages.
🔄 Alternatives to Aider
Codeium
🟢ActiveFree AI code completion tool supporting 70+ programming languages across multiple IDEs.
Cursor AI
🟢ActiveAI-first code editor built on VS Code with deep AI integration for code generation and editing.
GitHub Copilot
🟢ActiveAI pair programmer that suggests code completions in your IDE, powered by OpenAI Codex.
Replit Agent
🟢ActiveReplit Agent is an AI software-building tool within Replit that turns natural-language requests into working applications. It can plan projects, write code, configure infrastructure, test changes, and deploy apps from the browser.
🪦 Other dead AI Agents tools
Sweep
🟠Possibly DeadSweep was an AI coding agent that converted GitHub issues and bug reports into proposed code changes and pull requests. Its original product was later discontinued as the team shifted to an AI-assisted JetBrains coding plugin.
Ultimate
🟡Acquired / MergedUltimate was a customer-support automation platform that used conversational AI to resolve requests across chat, email, and social channels. Zendesk acquired the company in 2024 and integrated its technology into Zendesk AI.
Hyperlight
🟡Acquired / MergedHyperlight was an AI-agent startup focused on automating customer-service workflows for businesses. Public reporting indicates that the company was acquired by Cresta in 2024 to strengthen Cresta's AI capabilities.
Sana Agents
🟡Acquired / MergedSana Agents is an enterprise AI agent platform from Sana Labs for creating and deploying agents that work with organizational knowledge, connect to business systems, and automate research, analysis, and recurring workflows.
❓ Frequently Asked Questions
What is Aider AI?
Aider is an open-source AI pair-programming application that runs in a terminal and edits code in a local Git repository using supported hosted or local language models.
Is Aider free and open source?
Aider's source code is publicly available under the Apache License 2.0. Using it can still incur charges from model or API providers, depending on the model selected.
Which AI models does Aider support?
Aider supports models from providers including Anthropic and OpenAI, along with many other models exposed through compatible services or local model tooling. Model availability and configuration can change over time.
How does Aider work with Git?
Aider operates inside a Git repository, edits selected files, displays diffs, and can automatically create commits for its changes. Users can disable automatic commits or manage history with normal Git commands.
What are the best Aider alternatives for AI coding?
Common alternatives include GitHub Copilot for IDE-integrated suggestions, Cursor for an AI-first code editor, Codeium for coding assistance, and Replit Agent for agent-led application development.