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Aider

03 cli-agent/Community / OSS/ACTIVE · CAUTION

Aider is an open-source, Git-native pair programmer: it maps the repo, proposes commits, and works with any model via BYOK or OpenRouter.

SEC.01

What it does

  • 01Git commits
  • 02Repo map
  • 03Multi-model
  • 04Open source
SEC.02

Who it's for

Surgical, Git-first edits on a local repo with your own API keys.

PRICING

Pricing

Free (OSS) + your model API costs. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.

caveat · before you adopt

Releases continued through v0.86.x (Aug 2026) but cadence has slowed and users have opened issues asking about maintenance status — check activity before adopting.

ALT

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VS

Head-to-head (1)

FAQ

Frequently asked

What is Aider?

Aider is an open-source, Git-native pair programmer: it maps the repo, proposes commits, and works with any model via BYOK or OpenRouter.

Who is Aider for?

Surgical, Git-first edits on a local repo with your own API keys.

How much does Aider cost?

Free (OSS) + your model API costs. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.

Does Aider run locally or in the cloud?

Aider runs locally on your machine. Its interfaces are a terminal (CLI).

What are alternatives to Aider?

Other CLI agent entries in the catalog: Claude Code, Codex CLI, Amp, OpenCode, OpenHands, Goose, Gemini CLI, Warp, Muse Code, Grok Build, Kimi Code, Qwen Code, Mistral Vibe, Crush. Different categories solve the same problem differently — see the CLI & terminal agents category page for tradeoffs.

What should I know before adopting Aider?

Releases continued through v0.86.x (Aug 2026) but cadence has slowed and users have opened issues asking about maintenance status — check activity before adopting.