A agentindex
Comparison

Void vs Windsurf

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Void

An open-source Cursor alternative.

  • + Open-source Cursor-like UX
  • + Privacy-first with BYOK
  • − Young project
  • − Smaller plugin ecosystem

Windsurf

Codeium's AI-native IDE (Cascade agent).

  • + Strong agentic flow in-editor
  • + Generous free tier from Codeium
  • − Closed source
  • − Competes directly with Cursor on a narrow wedge
Spec Void Windsurf
Category coding-agent coding-agent
License Apache-2.0 Proprietary
Open source Yes No
Self-hostable No No
MCP support Yes Yes
Pricing free freemium
Starting price BYOK usage cost $15/mo
Models claude, gpt, local, byok claude, gpt, gemini, custom
Languages typescript multi
GitHub stars 28.8k —
Last activity 2026-06-02 —