Atom AI vs Mastra

Atom AI vs Mastra, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Atom AI is on 20/100 and Mastra on 77/100.

Atom AI logo
Atom AIAtom was a free and open-source text and source code editor developed by GitHub.
Try Atom AI
Mastra logo
MastraAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Try Mastra

Where each one leads

Atom AI

  • domain rating: 90/100 against 76/100
  • headcount: 6,579 against 53
  • LinkedIn following: 6,376,857 against 6,591

Mastra

  • our overall score: 77/100 against 20/100
  • agent readiness: 58/100 against 44/100

At a glance

MeasureAtom AIMastra
What it isAtom was a free and open-source text and source code editor developed by GitHub.An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
CategoryText Editor, Source Code Editor, Developer Tools, Open SourceAgentic AI, AI Agents, Developer Tools, Open Source
Sells toBusiness modelNot publishedB2B
OfferingSoftwarePlatform
Founded20112024
HeadquartersNot publishedSan Francisco, United States
StatusActiveActive

Size, funding and growth

MeasureAtom AIMastra
Employees6,57953
Headcount growthLast 12 monthsNot published+204.5%
Total fundingNot published$35.5M
Latest roundNot publishedSeries A
LinkedIn followers6,376,8576,591

StartupHub scores

Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.

MeasureAtom AIMastra
StartupHub scoreOur 0-100 rating20/10077/100
Traction20/10070/100
TeamNot published90/100
CommunityNot published38/100
Search visibility20/10068/100
QualityNot published78/100
Agent readinessHow well an AI agent can read and act on the siteD (44/100)D (58/100)
Domain ratingLink authority, 0-10090/10076/100

Technology

Detected on each public site, so it reflects the marketing stack as well as the product.

MeasureAtom AIMastra
HostingSelf ManagedVercel
CDNNot detectedVercel
CMSWordPressNot detected
FrameworksBootstrapNext.js, Tailwind CSS
Open sourceYesYes, 15,100 GitHub stars
Self-hostableYesYes

Product and pricing

MeasureAtom AIMastra
Key featuresNot publishedAI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular

What users say

MeasureAtom AIMastra
Community ratingVisitor votes on StartupHubNot published5.0/5 from 2 votes

Atom AI vs Mastra: common questions

Which is better, Atom AI or Mastra?

On our 0-100 score Mastra rates higher (77/100 against 20/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.

How do Atom AI and Mastra compare on the numbers?

Atom AI leads on domain rating (90/100 against 76/100), headcount (6,579 against 53), LinkedIn following (6,376,857 against 6,591). Mastra leads on our overall score (77/100 against 20/100), agent readiness (58/100 against 44/100).

Read the full Atom AI review and pricing or the Mastra review and pricing. You can also browse other Atom AI alternatives we track.