Aider

Terminal-based AI pair programming.

Try Aider

Best for

Best for terminal-native developers who want AI pair programming without leaving the CLI.

At a glance

Pricing: open-source
Setup time: 15 minutes
Learning curve: moderate
Last verified: 5/25/2026

What we love

✓Free + open source
✓Fits naturally into terminal workflow
✓Git integration is excellent

Where it falls short

−CLI-only UX not for everyone
−Best with top-tier API key (Claude/GPT)
−Less polish than IDE products

Pricing

✓ Pricing verified Jun 21, 2026

1 tier

Free

forever

✓Open-source
✓BYO API key

Overview

Aider is an open-source CLI AI pair programmer — chat in the terminal, edits files, commits to git with proper messages. Loved by developers who live in the terminal.

Key features

●Terminal-native
●Git-aware commits
●Multi-file edits
●Voice mode
●BYO LLM key

Best use cases

Terminal-first dev workflow

Pair-program from inside tmux/vim without context switching to an IDE.

Git-clean AI commits

Get well-formatted commits per change without manual cleanup.

Integrations

git

OpenAI

Anthropic

Ollama

any LLM API

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