AICompare

Devin vs Mentat

Head-to-head comparison — updated April 2026

Devin

Devin

Autonomous AI software engineer

$500/mo★ 4.2✓ Cheaper
Try Devin →
VS
Mentat

Mentat

AI coding agent in terminal

Free planFree★ 4.3✓ Higher rated
Try Mentat →

Our Verdict

Choose Devin for teams needing comprehensive autonomous development at scale with budget for enterprise tooling. Choose Mentat for individual developers or teams wanting free, terminal-integrated AI coding assistance with git workflows.

Why Devin?

✓ Autonomous end-to-end project capabilities
✓ Deployment and full-stack support
✓ Higher abstraction level for complex workflows

Why Mentat?

✓ Free to use with no subscription required
✓ Open-source and transparent
✓ Git-native workflow integration in terminal

Feature Comparison

FeatureDevinMentat
planning✓✗
debugging✓✗
autonomous✓✗
deployment✓✗
full stack✓✗
git✗✓
terminal✗✓
multi file✗✓
open source✗✓

Devin Pricing

$500/mo
Full review →

Mentat Pricing

Free0
0Full review →

Which Should You Choose?

Both Devin and Mentat are strong tools in the AI coding space. Mentat has higher user ratings overall. Choose Devin if you value planning and debugging. Choose Mentat if you want to start free.