Best free AI coding tools in 2026
Every tool below has a free plan or is free and open source, according to its official pricing page (checked on the date shown on each tool page). They're ordered by our public-evidence score.
Scores come from public evidence (pricing, free tier, docs, platforms, open source, update activity), not hands-on testing yet. How scoring works.
1. Cursor
AI-first code editor forked from VS Code.
- Pricing: Free plan; Plus $8/mo, Premium $30/mo, up to $200/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): Windows, macOS, iOS, API
- Evidence score: 85/100
2. GitHub Copilot
AI pair programmer in VS Code, JetBrains and GitHub.
- Pricing: Free tier; Pro $10/mo, Pro+ $39/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): Windows, macOS, API
- Evidence score: 85/100
3. Aider
Open-source AI pair programming in the terminal.
- Pricing: Free, open source (bring your own model/API)
- Free plan: Yes
- Open source: Yes
- Platforms (from official site): API
- Evidence score: 83/100
4. v0
Vercel's AI UI and app generator.
- Pricing: Free plan; Premium $20/mo, Plus $30/user/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): iOS, API
- Evidence score: 80/100
5. Lovable
Prompt-to-full-stack web app builder.
- Pricing: Free plan (5 daily build credits); Pro from $25/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): not verified
- Evidence score: 79/100
6. Windsurf (Devin Desktop)
Agentic AI IDE, formerly Windsurf, now sold under Devin.
- Pricing: Free plan; Pro $20/mo, Max $200/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): not verified
- Evidence score: 79/100
7. Base44
Prompt-to-app builder with built-in backend (Wix).
- Pricing: Free plan; paid from $16/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): API
- Evidence score: 75/100
8. Bolt.new
In-browser AI app builder by StackBlitz.
- Pricing: Free tier; Pro from $25/mo
- Free plan: Yes
- Open source: No
- Platforms (from official site): not verified
- Evidence score: 70/100
9. Replit
Cloud IDE with the Replit Agent app builder.
- Pricing: Free tier; Core $20/mo ($18/mo annual)
- Free plan: Yes
- Open source: No
- Platforms (from official site): not verified
- Evidence score: insufficient public evidence
Head-to-head comparisons
See the full ranking: Best Coding agents & IDEs tools.