Aider

ResearchedCodingAgents

In short

Aider is aI pair programming in your terminal; automatically commits changes with sensible commit messages. It has a free plan; it is open source (Apache-2.0). We recommend it in: Best AI to run locally.

Last checked Oct 25, 2026 · Test depth: Researched · Sources

Aider pricing and key facts

Official site
https://aider.chat
Pricing (as of Oct 25, 2026)
Free, open-source; you pay your chosen LLM provider.
Free tier
Yes
Open source
Yes — Apache-2.0
Repository
Aider-AI/aider · 49,742 stars (as of Oct 25, 2026)
Test depth
Researched Compiled from official pages and public sources. Not used hands-on yet.
Last checked
Oct 25, 2026

Last push to the GitHub repo was 2026-05-22 (older than other tools here).

Aider score: 82/100

Test depth40Researched
Value100free tier/plan verified: +50; OSI open-source license: +30; fully usable for free (open source): +20
Freshness100checked 0 day(s) before this build

How scores work

Aider alternatives

ToolFree planPaid fromOpen sourceScore
AiderYesFree / usage-basedYes82
Browser UseYesFree / usage-basedYes82
ClineYesFree / usage-basedYes82
CrewAIYesFree / usage-basedYes82
LangGraphYesFree / usage-basedYes82
OpenAI CodexYesFree / usage-basedYes82
OpenHandsYesFree / usage-basedYes82

Alternatives share Aider's category and are sorted by score. See the Coding leaderboard.

Where Aider fits

Best AI to run locally

Sources