Mastra Code vs Mentat: Which is Better in 2026?
Choosing between Mastra Code and Mentat comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Mentat is our overall pick for AI coding workflows. Pick Mastra Code if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Mastra Code
A terminal-based AI coding agent for streamlined development workflows.
Best for you if:
- • Terminal-based AI coding agent for development workflows.
- • Integrates with 70+ AI models for code reading, editing, and execution.
Mentat
AI coding assistant for terminal
Best for you if:
- • You need something completely free
- • AI coding assistant that works in your terminal
- • Edits code across multiple files with codebase context, using your own model API key
| At a Glance |  Mastra Code |  Mentat |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | AI Coding | AI Coding |
Rating | - | - |
Free plan | Yes | Yes |
Choose Mastra Code or Mentat?
Choose Mastra Code if
A terminal-based AI coding agent for streamlined development workflows.
- Streamlines coding tasks directly within the terminal
- Offers flexibility with multiple AI models and operational modes
- Highly customizable and extensible for specific developer needs
Choose Mentat if
AI coding assistant for terminal
- AI coding assistant in terminal
- Code understanding and generation
- Open-source project
- You want a fully free tool (Mastra Code requires payment)
| Feature | Mastra Code | Mentat |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | No ratings yet | No ratings yet |
| Categories | AI CodingTerminal Tools | AI CodingTerminal Tools |
In-Depth Analysis
Mastra Code
A terminal-based AI coding agent for streamlined development workflows.
Strengths
- +Streamlines coding tasks directly within the terminal
- +Offers flexibility with multiple AI models and operational modes
- +Highly customizable and extensible for specific developer needs
- +Facilitates code exploration and architectural planning
- +Provides detailed token usage tracking
Weaknesses
- -Requires Node.js 22.13.0 or later
- -Initial setup involves API key configuration for AI providers
- -Learning curve for mastering various modes and commands
Key features
Mentat
AI coding assistant for terminal
Strengths
- +AI coding assistant in terminal
- +Code understanding and generation
- +Open-source project
- +Command-line interface for developers
- +Context-aware code suggestions
Weaknesses
- -Terminal-based (no GUI)
- -Setup and configuration needed
- -May not match commercial alternatives
- -Requires technical proficiency
- -Community-driven development
Key features
Pricing: Mastra Code vs Mentat
| Plan | Mastra Code | Mentat |
|---|---|---|
| Tier 1 | N/A | Free Open Source |
| Tier 2 | N/A | $35 Pro |
Pricing verified from each vendor's public pricing page. Compare in detail on Mastra Code pricing and Mentat pricing.
Who Should Use What?
On a budget?
Mentat is free. Mastra Code is freemium.
Go with: Mentat
Want the highest-rated option?
Neither has ratings yet.
Too early to call on ratings — compare on features and pricing.
Value user reviews?
Neither has ratings yet.
Too early to call — neither has ratings yet.
3 Questions to Help You Decide
What's your budget?
Mastra Code is freemium. Mentat is free. Go with Mentat if free matters most.
What's your use case?
Both are ai coding tools. Compare their specific features to decide.
How important are ratings?
Neither has ratings yet.
Key Takeaways
Mentat
- Completely free
- Our pick for this comparison
Mastra Code
- Choose if you want a terminal-based AI coding agent for streamlined development workflows
The Bottom Line
Mentat is our pick.
Frequently Asked Questions
Is Mastra Code or Mentat better?
Mentat is rated in our evaluation. Mastra Code is freemium and Mentat is free.
What are Mastra Code and Mentat used for?
Mastra Code: A terminal-based AI coding agent for streamlined development workflows.. Mentat: AI coding assistant for terminal.
What does Mastra Code cost vs Mentat?
Mastra Code is freemium (free tier + paid plans). Mentat is completely free. Visit their websites for detailed pricing.