A
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 depth | 40 | Researched |
| Value | 100 | free tier/plan verified: +50; OSI open-source license: +30; fully usable for free (open source): +20 |
| Freshness | 100 | checked 0 day(s) before this build |
Aider alternatives
| Tool | Free plan | Paid from | Open source | Score |
|---|---|---|---|---|
| AAider | Yes | Free / usage-based | Yes | 82 |
 Browser Use | Yes | Free / usage-based | Yes | 82 |
 Cline | Yes | Free / usage-based | Yes | 82 |
 CrewAI | Yes | Free / usage-based | Yes | 82 |
 LangGraph | Yes | Free / usage-based | Yes | 82 |
 OpenAI Codex | Yes | Free / usage-based | Yes | 82 |
 OpenHands | Yes | Free / usage-based | Yes | 82 |
Alternatives share Aider's category and are sorted by score. See the Coding leaderboard.
Where Aider fits
Sources
- Official pricing / plans page — checked Oct 25, 2026
- GitHub repository (license, stars, last push via GitHub API) — checked Oct 25, 2026