AutoGen vs Mastra: Which is Better in 2026?
Choosing between AutoGen and Mastra? Both are popular agent framework tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Both AutoGen and Mastra are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.
AutoGen vs Mastra — Side by Side
| AutoGen | Mastra | |
|---|---|---|
| Category | Agent Framework | Agent Framework |
| Pricing | Free | Free |
| Starting price | Free tier available | Free tier available |
| Free tier | ||
| Rating | 4.4 | 4.6 |
| Best for | Agent Framework — ai, llm | Agent Framework — ai, llm |
Pros & Cons
- Backed by Microsoft Research
- Strong multi-agent conversation model
- Completely free
- Active development
- APIs have shifted between versions
- Python-centric
- Best-in-class for TypeScript teams
- Batteries-included (agents, workflows, memory, evals)
- From the experienced Gatsby team
- Strong observability & MCP support
- Younger than Python frameworks
- TypeScript-only ecosystem
Key Features Compared
AutoGen
- Free open-source (Microsoft)
- Multi-agent conversations
- Tool use & code execution
- Human-in-the-loop
Mastra
- TypeScript-native agents & workflows
- Memory & semantic recall
- Evals & observability
- MCP tool sharing
- 3,300+ models via providers
Choose AutoGen if…
- You want a free tier to validate before paying.
- Backed by Microsoft Research
- Strong multi-agent conversation model
- Completely free
Choose Mastra if…
- You want a free tier to validate before paying.
- Best-in-class for TypeScript teams
- Batteries-included (agents, workflows, memory, evals)
- From the experienced Gatsby team
Frequently Asked Questions
Is AutoGen better than Mastra?⌄
Both AutoGen and Mastra are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.
What is the difference between AutoGen and Mastra?⌄
AutoGen — Microsoft's open-source framework for multi-agent conversations and orchestration. Free to use. Mastra — Open-source TypeScript agent framework from the Gatsby team — agents, workflows, memory, and observability in one modern stack. Both are agent framework tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
AutoGen vs Mastra: which is cheaper?⌄
AutoGen pricing: Free. Mastra pricing: Free. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, AutoGen or Mastra?⌄
In our catalog, AutoGen rates 4.4 out of 5 and Mastra rates 4.6 out of 5, so Mastra has a slight edge on reviews.
See more options in our guide to the best agent framework tools for startups.
Still not sure which to pick?
Get a free, AI-powered tech stack — including the best agent framework pick for your budget and team — in 60 seconds.
Build my stack free