Aider vs Windsurf
Criteria
Aider
Windsurf
Tagline
AI pair programming in your terminal
Agentic IDE by Codeium
Tagline
Aider: AI pair programming in your terminal
Windsurf: Agentic IDE by Codeium
Pricing Model
open-source
freemium
Pricing Model
Aider: open-source
Windsurf: freemium
Starting Price
$0/mo
$15/mo
Starting Price
Aider: $0/mo
Windsurf: $15/mo
Free Plan
Yes
Yes
Free Plan
Aider: Yes
Windsurf: Yes
GitHub Stars
44.1k
—
GitHub Stars
Aider: 44.1k
Windsurf: —
npm Downloads/wk
—
—
npm Downloads/wk
Aider: —
Windsurf: —
GitHub Forks
4.3k
—
GitHub Forks
Aider: 4.3k
Windsurf: —
Open Issues
1.5k
—
Open Issues
Aider: 1.5k
Windsurf: —
Tags
cli, terminal, open-source, pair-programming
ai, editor, agent, cascade
Tags
Aider: cli, terminal, open-source, pair-programming
Windsurf: ai, editor, agent, cascade