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SlateIndex
MastraTypeScript AI Framework for Agents and Apps
vs
Relevance AISpecialist AI Agents for Every Task
Comparison · AI Agents · weekly run Nov 3

Mastra vs Relevance AI

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Relevance AI is the stronger AI pick in AI Agents: it has a visibility score of 8 versus 1.2 for Mastra, and ranks ahead in 0% of the answers that name both.

Choose Mastra if…

  • You want a free plan to start
  • AI answers describe it more positively (100% vs 50% positive)
  • Type-safe, production-grade application code
  • Suited to serious production systems

Choose Relevance AI if…

  • You want the brand AI engines rank higher (8 vs 1.2)
  • You need SOC 2 or GDPR coverage
  • You prefer a larger, established vendor (51–200 employees)
  • visual drag-and-drop agent builder

AI visibility side by side

Latest weekly run · Nov 3

Metric Mastra Relevance AI
Visibility score1.2%8%
Change vs last weekNewNew
Rank in AI Agents#56#15
Share of voice0.5%1.5%
Mentions this run310
Positive in AI answers100%50%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 3Mastra 1%

Mastra 0pp · Relevance AI 0pp over 0 weekly runs.

Engine by engine

Relevance AI leads on 3 of 3 engines

ChatGPT
0%
10.9%
AI Mode
1.7%
5%
Perplexity
1.9%
8%
MastraRelevance AI

Head to head in AI answers

1 engine answers name both brands

1Mastra ranked higher
0Relevance AI ranked higher
PromptEngineMastraRelevance AI
Alternatives to the most popular AI agent platform AI Mode#5#6

Features, pricing & fit

DimensionMastraRelevance AI
Pricing modelFlat tiersFlat tiers
Entry priceFree; paid from $250 / moContact sales
Free planYesNo
DeploymentSelf-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform.—
Integrations—2000+
Compliance—SOC 2, GDPR
SupportShared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PSTEmbedded deployment team, Dedicated account manager on Enterprise plan
Founded20242020
HeadquartersSan FranciscoSan Francisco, California, United States
Employees11–5051–200
FundingSeries A · $35M raisedSeries A (unconfirmed, reported by Signalbase) · $37M raised
Best forDevelopers and teams building AI agents in TypeScript and JavaScriptEnterprise teams in sales, customer success, marketing and HR that want non-technical staff to build and run their own agents.

Plans side by side

Mastra

Starter$0month
Teams$250month
EnterpriseCustomcustom pricing
Mastra pricing

Relevance AI

EnterpriseCustom
Relevance AI pricing

Pros and cons

Themes from the AI answers that mention each brand

Mastra

  • Type-safe, production-grade application code
  • Suited to serious production systems

    Relevance AI

    • visual drag-and-drop agent builder
    • free tier
    • prebuilt agent templates for sales, support, and operations
    • hosted no-code agent builder useful for experimenting
    • named best overall

      Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

      Cite as: SlateIndex, “Mastra vs Relevance AI”, https://slateindex.ai/compare/mastra-vs-relevance-ai, data of Nov 3, 2026. Licence: CC BY 4.0.