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Mastra vs LlamaIndex Comparison

Last updated:

Mastra

Starting at $250 /month

  • Small Business
  • Medium Business

Mastra is a TypeScript framework for agents that call functions and act on connected systems, together with typed workflows that branch, retry and pause for a person to approve a step. Both agents and workflows are publi…

LlamaIndex

4.5(290 reviews)

Starting at Free free

  • Small Business
  • Mid-Market

LlamaIndex is an open-source data framework for building LLM-powered applications over private and enterprise data. It provides the tools to ingest, structure, and retrieve data for LLM context: document loaders for 100+…

LlamaIndex leads on user satisfaction with a 4.5-star rating across 290 reviews.

Mastra vs LlamaIndex — at a glance

FeatureMastraLlamaIndex
Rating—4.5 / 5
Reviews—290
Starting price$250 /monthFree free
Free trial No No
Free version No No
Best forSmall Business, Medium Business, Large EnterprisesSmall Business, Mid-Market, Enterprise
CategoryAgentic AIMachine Learning Software
PlatformsSaaS/Web/CloudCloud, On-Premise, Linux
APIAvailableAvailable
Support modesOnlineDiscord Community (30k+ members), GitHub Issues, Help Center, Enterprise Support

Key differences between Mastra and LlamaIndex

  • Pricing: Mastra starts at $250 /month, while LlamaIndex starts at Free free.
  • Deployment: Mastra supports SaaS/Web/Cloud; LlamaIndex supports Cloud, On-Premise, Linux.

Mastra vs LlamaIndex — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Agentic AI tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Mastra - Agentic AI
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LlamaIndex logo
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Mastra vs LlamaIndex: Biggest differences

Start here before you go deeper into features.

Mastra

Best for

Small Business, Medium Business, Large Enterprises

LlamaIndex

Best for

Small Business, Mid-Market, Enterprise

Mastra typically suits Small Business and Medium Business. LlamaIndex tends to fit Small Business and Mid-Market better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

Mastra is a TypeScript framework for agents that call functions and act on connected systems, together with typed workflows that branch, retry and pause for a person to approve a step. Both ... Read More about Mastra

LlamaIndex is an open-source data framework for building LLM-powered applications over private and enterprise data. It provides the tools to ingest, structure, and retrieve data for LLM ... Read More about LlamaIndex

Entry Level Pricing

  • Starts from $250 , monthly
  • Starts from Free

Free Trial Availability

  • No free trial
  • No free trial

SpotScore

What's this? ↗

Not Available

9.0/10

User Ratings

Based on verified Spotsaas reviews
Get pricing help
Get pricing help

Where each option fits best

See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.

Based on buyer reviews and verified product data collected by Spotsaas.

Strengths

Key strengths

LlamaIndex

  • Private Data RAG in Hours: Pre-built connectors and indexing pipelines reduce the time to build a working RAG application over internal documents from weeks to hours.
  • Better Retrieval Quality: Advanced retrieval strategies (hybrid search, query decomposition, reranking) produce meaningfully better answers than naive vector search on complex documents.
  • Agent Workflows Over Enterprise Data: Agent tool use combined with data connectors allows AI to query databases, search documents, and take actions in a single orchestrated pipeline.
Best fit

Best fit

LlamaIndex

  • Enterprise teams building internal knowledge base Q&A over Notion, Confluence, and SharePoint documents
  • AI startups building RAG pipelines that need sophisticated retrieval (hybrid search, reranking) over complex document collections
  • Data engineering teams building structured data extraction pipelines from unstructured PDFs and reports

Software Demo

Demo

No software demo available

Mastra has not given any software demo yet

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How do Mastra and LlamaIndex Compare on Features?

Total Features

8 Features

13 Features

Unique Features

No unique features

No unique features

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Compare Mastra and LlamaIndex on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • $250 , monthly
      • Free

      Pricing Plans

      • Starter

        Free

        • 100K observability events, then $10 per 100K

        • 24 CPU hours, then $0.35 per hour

        • 15 day data retention

        Show more +

      • Teams

        $250

        /month

        • 1M observability events, then $8 per 100K

        • 250 CPU hours, then $0.25 per hour

        • 6 month data retention

        Show more +

      • Enterprise

        Custom

        • Hosted or self-hosted

        • Flat annual fee, no per-trace metering

        • Custom retention

      • Open Source

        Free

        • Full framework

        • MIT license

        • Self-hosted

        Show more +

      • LlamaCloud Starter

        Free

        • Managed parsing

        • Cloud indexing

        • Limited usage

        Show more +

      • LlamaCloud Pro

        Custom

        paid

        • Higher limits

        • Priority parsing

        • Enterprise connectors

        Show more +

      Mastra vs LlamaIndex: Other Details

      Organization Types supported

      • Medium Business
      • Large Enterprises
      • Small Business
      • Freelancers
      • Individuals
      • Medium Business
      • Large Enterprises
      • Small Business
      • Freelancers
      • Individuals

      Platforms Supported

      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Installed - Windows
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Installed - Windows

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Mastra User Reviews & Rating Comparison

      User Ratings

      No reviews available for the product

      4.5

      (based on 290 reviews)

      Rating Distribution

      No reviews available for this product

      0

      0

      0

      0

      0

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      No reviews exist for this product in this catalogue, so no buyer sentiment can be reported.

      Buyer sentiment

      Buyer sentiment is very strong across 290 reviews, with consistently positive feedback.

      What buyers like

      • 100+ pre-built data connectors cover virtually every enterprise data source (Notion, Slack, SQL, PDF, Google Drive) without custom ingestion code.
      • Advanced retrieval strategies beyond simple vector search — hybrid, recursive, small-to-big retrieval — improve RAG quality on complex enterprise documents.
      • Both Python and TypeScript SDKs with identical APIs enable the same RAG pipeline to be used in backend Python services and Node.js applications.

      Common complaints

      • The framework abstraction layer can obscure what is happening under the hood — debugging retrieval quality issues sometimes requires understanding multiple abstraction layers.
      • LlamaCloud managed service is newer and less mature than the core open-source library; enterprise production deployments may encounter rough edges.

      Pros and Cons

      No pros or cons available for this product

      • 100+ pre-built data connectors cover virtually every enterprise data source (Notion, Slack, SQL, PDF, Google Drive) without custom ingestion code.

      • Advanced retrieval strategies beyond simple vector search — hybrid, recursive, small-to-big retrieval — improve RAG quality on complex enterprise documents.

      • Both Python and TypeScript SDKs with identical APIs enable the same RAG pipeline to be used in backend Python services and Node.js applications.

      • The framework abstraction layer can obscure what is happening under the hood — debugging retrieval quality issues sometimes requires understanding multiple abstraction layers.

      • LlamaCloud managed service is newer and less mature than the core open-source library; enterprise production deployments may encounter rough edges.

      Used Mastra or LlamaIndex? Tell buyers what actually differs.

      Top Alternatives to Mastra and LlamaIndex in 2026

      Alternatives

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      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, Mastra or LlamaIndex?
      LlamaIndex edges out the other on user ratings (4.5 vs -1.0). That said, the best pick depends on your use case, so use the comparison tables above to evaluate each dimension.
      Do Mastra and LlamaIndex offer a free trial?
      Neither Mastra nor LlamaIndex currently lists a free trial.
      What is the starting price of Mastra vs LlamaIndex?
      Mastra starts at $250 /month. LlamaIndex starts at Free free.
      What are the top alternatives to LlamaIndex?
      Top alternatives to LlamaIndex include Aporia, ByteBridge, BentoML, Recombee, neptune.ml.