Skip to content

IDEPaul Gauthier

Aider

Terminal-native pair programmer. BYO key, BYO model.

Categories
IDEAgent
Pricing
BYO KEY
Source
Open source
Hosting
Local
Platforms
macOSWindowsLinuxCLI
Models
BYO key / model
Verified
Sep 6, 2026

Open-source CLI for AI pair-programming directly against your git repo. Brings any model (Claude, Gemini, GPT, local) into a tight commit-per-task loop.

Capabilities 3

What it actually does — grouped by capability family.

  • Autonomous coding agent (primary capability)
  • Terminal / CLI agent (primary capability)
  • Code generation (secondary capability)

Pros & cons

  • Fully open-source, BYO-key
  • Auto-commits each edit to git
  • Works with any model incl. local
  • Strong on its own Polyglot benchmark
  • No editor lock-in — pure terminal
  • No GUI — terminal comfort required
  • You pay model API costs yourself
  • Less hand-holding than IDE agents
  • Setup/config heavier than hosted tools

Tags

Alternatives to Aider (3)

View all IDE →
  • View Cline details
    AgentBYO KEYOSS

    Cline

    Cline Bot Inc.

    Open-source autonomous coding agent in VS Code. BYO key.

    Community-maintained VS Code extension that turns the editor into an agent surface — reads the repo, runs commands, edits files, and verifies its work. Pairs naturally with Claude. Formerly known as Claude Dev.

    No vendor markup on token costs
    BYO-key means you pay provider token costs
    • agentic
    • vscode
    • open-source
    • byo-key
    Open
  • View Claude Code details
    IDEFREEMIUM

    Claude Code

    Anthropic

    Anthropic's official CLI / IDE / web agent.

    Anthropic's agentic coding tool. It reads the spec, drafts the diff, runs the tests, and opens the PR — across the CLI, IDE extensions, the desktop app, and the web.

    Strong autonomous multi-step coding
    Anthropic models only
    • agentic
    • cli
    • ide
    • mcp
    • +1
    Open
  • View Cursor details
    IDEFREEMIUM

    Cursor

    Anysphere

    AI-first code editor. Multi-model, tab-completion native.

    Fork of VS Code with deep model integration — multi-line tab completion, agent mode, chat with codebase context. Strong for fast iteration on existing repos.

    Inherits the VS Code extension ecosystem
    Closed source (the editor itself)
    • ide
    • multi-model
    • vscode-fork
    Open
Open Aider