Devin Desktop (formerly Codeium / Windsurf) vs MutableAI
Side-by-side from the Top 11 ranking of GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026. Last verified August 28, 2026.
The short answer
Devin Desktop (formerly Codeium / Windsurf) ranks higher on Top 11 (#5 vs #10) for Software engineers and engineering leaders choosing AI pair-programmers. Formerly the free Codeium/Windsurf; now Devin Desktop under Cognition, agent-first and mostly paid.
At a glance
| Devin Desktop (formerly Codeium / Windsurf) | MutableAI | |
|---|---|---|
| Top 11 rank | #5 / GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026 | #10 / GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026 |
| Score (out of 9.4) | 8.3 | 7.3 |
| Best for | Fast AI editor, now under Cognition | Best for code refactoring |
| Pricing | $ (Free; Pro $20/mo; Max $200/mo; Teams $40/user/mo) | $$ ($25 to custom/mo) |
| HQ | Mountain View, USA (product now owned by Cognition, San Francisco) | New York, USA |
| Founded | 2021 | 2021 |
Devin Desktop (formerly Codeium / Windsurf)
Formerly the free Codeium/Windsurf; now Devin Desktop under Cognition, agent-first and mostly paid.
devin.ai/desktopSee full entry in GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026
MutableAI
A specialized tool for AI-powered refactoring and modernizing legacy code.
mutable.aiSee full entry in GitHub Copilot vs Tabnine vs Amazon Q Developer: 11 Best AI Coding Assistants 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.