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Coding agents · Aider

Editorial

Aider

Aider is an Apache-2.0 coding agent you run in the terminal. It maps the repo, edits files, and commits. You pay the model provider. Aider does not sell a seat.

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Pricing

0. There is no Aider pricing page and no seat fee. You pay the model provider whose API key you pass, or you point it at a local model. The homepage install line is python -m pip install aider-install.

Vendor pricing checked November 11, 2026.

Pricing source

Best fit

Agents that write, review, or run code, including IDE agents and coding command-line tools. Listed use: coding, agents. Listed audience: Builders.

Quick facts

Category
Coding agents
Pricing
Free, Open source
Status
Editorial
Starting price
$0
Vendor
Aider
Last verified
November 11, 2026
Use
coding, agents

Features

  • Apache-2.0 on GitHub logogithub.com/Aider-AI/aider
  • Install shown on the homepage: python -m pip install aider-install, then aider-install
  • Git commits with messages. Voice, images, and lint-and-test loops are on the homepage
  • No Aider subscription. You pass an API key for the model you choose

Pricing

On aider.chat and the GitHub logoGitHub repository (checked twice 2026-11-11): Aider is free to install under Apache-2.0. There is no Aider pricing page and no seat fee. You pay the model provider whose API key you pass, or you point it at a local model. The homepage install line is python -m pip install aider-install.

Free · Open source

Pricing page

Social

GitHub

Aider is a coding agent that lives in the terminal. It builds a map of the repo, edits the files, and makes a git commit you can diff. The license on github.com/Aider-AI/aider, read November 11, 2026, is Apache-2.0. There is no Aider plan to buy.

Best for

A developer who wants the agent in the shell, on a repo they already have, and who is fine paying Anthropic, OpenAI, DeepSeek, or a local model directly.

Watch out for

The bill is the model's bill. The homepage examples, read the same day, still name Claude 3.7 Sonnet, DeepSeek R1, OpenAI o1, o3-mini, and GPT-4o. The same page says Aider can connect to almost any LLM, including a local one, so those names are examples, not a current model menu. Voice-to-code, image context, and a lint-and-test loop are listed as features. None of them adds an Aider fee.

Tags

codingagentsopen-source

Alternatives

Other listings that share a category, use, or tag. Not a ranking.

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Directory

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Category: Coding agents

Best-of and comparison pages

Compare yourself with the top 3 in Coding agents

Aider is not a row on Best AI agent harness yet. The first rows of that sourced table are below. Order is not a quality score. Last verified November 2026.

  1. Claude Code
  2. Codex
  3. Claude Agent SDK

Open Best AI agent harness

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