Mastra vs Superblocks
Which Agents AI tool is better in 2026?
Mastra
The open-source TypeScript framework for building AI agents
Superblocks
Enterprise AI app platform with Clark, an agent that builds governed internal apps
Side-by-side
Superblocks is the more established option (raised $60M); pricing is comparable on both sides.
| Metric | Mastra | Superblocks |
|---|---|---|
| Taglinei | The open-source TypeScript framework for building AI agents | Enterprise AI app platform with Clark, an agent that builds governed internal apps |
| Foundedi | 2024 | 2021🏆 |
| HQi | San Francisco, US | New York, United States |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 59 | 72🏆 |
| Total fundingi | $13M | $60M🏆 |
| Latest roundi | Seed · Oct 2025 | Series A · May 2025 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Open source | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Mastra and Superblocks.
| Capability | Mastra | Superblocks |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Mastra
- Newer company (2024)
🔵 Strengths of Superblocks
- Has raised more capital ($60M vs $13M)
- Higher Neuron score (72 vs 59)
- Offers a free trial
- More mature (2021)
Which should you choose?
Choose Superblocks if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Superblocks if you want the most established option — it has raised $60M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Mastra vs Superblocks — which is better?
It depends on your priority. Mastra is the leaner option; Superblocks has broader feature depth. See the side-by-side table above.
Is Mastra cheaper than Superblocks?
No — Superblocks's cheapest paid plan is Free, while Mastra's is Open source.
Do Mastra and Superblocks offer free plans?
Mastra: Yes, has a free plan. Superblocks: Yes, has a free plan.
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