Mastra

Build AI agents with a modern TypeScript stack

★★★★★ 5.0/5
FactScore™ 23.9
VS

OnsetLab

Local tool-calling AI agents with SLMs

FactScore™ 0

Updated 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.

👑
23.9
Mastra FactScore™
★ Mastra wins on FactScore™
OnsetLab FactScore™

Pros & Cons

Only in Mastra — Pros

No unique pros listed

Both tools — Pros

Only in OnsetLab — Pros

No unique pros listed

Only 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.

3

What Users Say

Mastra

E
Eldad Jan 28, 2026
★★★★★

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

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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