A agentindex
Comparison

Devin vs Void

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

Devin

Cognition's autonomous software engineer.

  • + True end-to-end autonomy
  • + No local setup
  • − Expensive and access-gated
  • − Less transparent than open alternatives

Void

An open-source Cursor alternative.

  • + Open-source Cursor-like UX
  • + Privacy-first with BYOK
  • − Young project
  • − Smaller plugin ecosystem
Spec Devin Void
Category coding-agent coding-agent
License Proprietary Apache-2.0
Open source No Yes
Self-hostable No No
MCP support No Yes
Pricing paid free
Starting price $500/mo (access tier) BYOK usage cost
Models claude, gpt claude, gpt, local, byok
Languages multi typescript
GitHub stars — 28.8k
Last activity — 2026-06-02