Mastra
Build AI agents with a modern TypeScript stack
OnsetLab
Local tool-calling AI agents with SLMs
FactScore™ 0Updated February 2026
| Mastra | OnsetLab | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 2 | 0 |
| Pros | 0 | 0 |
| FactScore™ | 23.9 | 0 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Mastra — Pros
No unique pros listedBoth tools — Pros
—Only in OnsetLab — Pros
No unique pros listedOnly in Mastra — Cons
—Both tools — Cons
—Only in OnsetLab — Cons
—Details
| Mastra | OnsetLab | |
|---|---|---|
| Categories | LLM Developer Tools, AI Agent Automation | LLM Developer Tools, AI Agent Automation |
| Platforms | Web | Web |
| Became Popular | January 21, 2026 | February 11, 2026 |
| Website | mastra.ai | onsetlab.app |
Who Should Pick Which?
Choose Mastra if...
- No unique pros listed
Choose OnsetLab if...
- No unique pros listed
With a FactScore™ of 23.9 vs 0, Mastra leads in community reception. Mastra uniquely offers No unique pros listed, while OnsetLab stands out for No unique pros listed.
What Users Say
Mastra
Shoutout to the team at Mastra for building an excellent agent orchestration layer. Mastra is a key part of Imagine.dev’s agentic architecture, helping us coordinate specialized agents and reliably...
OnsetLab
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, Mastra or OnsetLab?
Based on FactScore™, Mastra leads with a score of 23.9 vs 0. Mastra has a higher rating of 5.0★ compared to N/A★.
What are the pros of Mastra compared to OnsetLab?
Mastra uniquely offers: No unique pros listed.
What are the pros of OnsetLab compared to Mastra?
OnsetLab uniquely offers: No unique pros listed.
Is Mastra better rated than OnsetLab?
Mastra is rated 5.0★ from 2 reviews. OnsetLab is rated N/A★ from 0 reviews.
What is the FactScore™ of Mastra and OnsetLab?
FactScore™ weighs rating and review volume together. Mastra scores 23.9 and OnsetLab scores 0.
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