Mastra vs Parallel Web Systems

Mastra vs Parallel Web Systems, compared side by side on 25 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: Mastra is on 77/100 and Parallel Web Systems on 54/100.

Mastra logo
MastraAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Try Mastra
Parallel Web Systems logo
Parallel Web SystemsParallel Web Systems provides a web API purpose-built for AIs, offering the highest accuracy web search and deep research capabilities.
Try Parallel Web Systems

Where each one leads

Mastra

  • our overall score: 77/100 against 54/100
  • headcount: 53 against 28

Parallel Web Systems

  • funding raised: $200M against $35.5M

At a glance

MeasureMastraParallel Web Systems
What it isAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.Parallel Web Systems provides a web API purpose-built for AIs, offering the highest accuracy web search and deep research capabilities.
CategoryAgentic AI, AI Agents, Developer Tools, Open SourceAI Agents, AI Search, AI Infrastructure
Sells toBusiness modelB2BB2B
OfferingPlatformPlatform
Founded20242025
HeadquartersSan Francisco, United StatesUnited States
StatusActiveActive

Size, funding and growth

MeasureMastraParallel Web Systems
Employees5328
Headcount growthLast 12 months+204.5%Not published
Total funding$35.5M$200M
Latest roundSeries AGrowth
ValuationNot published$2.0B
LinkedIn followers6,5916,792

StartupHub scores

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

MeasureMastraParallel Web Systems
StartupHub scoreOur 0-100 rating77/10054/100
Traction70/10055/100
Team90/10030/100
Community38/1008/100
Search visibility68/10043/100
Quality78/10062/100
Agent readinessHow well an AI agent can read and act on the siteD (58/100)D (56/100)
Domain ratingLink authority, 0-10076/10074/100

Technology

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

MeasureMastraParallel Web Systems
HostingVercelVercel
CDNVercelVercel
CMSNot detectedGhost
FrameworksNext.js, Tailwind CSSNext.js, Tailwind CSS
Open sourceYes, 15,100 GitHub starsYes
Self-hostableYesNo

Product and pricing

MeasureMastraParallel Web Systems
Key featuresAI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & ModularHighest accuracy web search for AI, Predictable costs, Evidence-based outputs, Enterprise-grade security, Deep Research API, Structured Data Extraction

What users say

MeasureMastraParallel Web Systems
Community ratingVisitor votes on StartupHub5.0/5 from 2 votesNot published

Mastra vs Parallel Web Systems: common questions

Which is better, Mastra or Parallel Web Systems?

On our 0-100 score Mastra rates higher (77/100 against 54/100). 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 25 data points above: read the rows that match what you are buying for.

How do Mastra and Parallel Web Systems compare on the numbers?

Mastra leads on our overall score (77/100 against 54/100), headcount (53 against 28). Parallel Web Systems leads on funding raised ($200M against $35.5M).

Read the full Mastra review and pricing or the Parallel Web Systems review and pricing. You can also browse other Mastra alternatives we track.