Can I use LlamaIndex and Vercel AI SDK together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine LlamaIndex and Vercel AI SDK with other tools and save your AI toolkit.

Does LlamaIndex or Vercel AI SDK have a free plan?

LlamaIndex is a paid tool. Vercel AI SDK is a paid tool. Always verify current pricing directly with the vendor.

LlamaIndex vs Vercel AI SDK

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated June 2026

LlamaIndex

LlamaIndex Inc.

Core building blocks for AI agents and document automation

0.0(0)

OPEN_SOURCE

91% data quality

Vercel AI SDK

Vercel, Inc.

Build AI-powered applications and agents with a free, open-source TypeScript library.

0.0(0)

OPEN_SOURCE

95% data quality

Trust & Reliability

LlamaIndex

Users:100K-1M

Customers (per vendor):Jeppesen (a Boeing Company), Carlyle, Salesforce +1

GDPR

SOC 2

Overall Winner: Vercel AI SDK

8.0/10 vs LlamaIndex at 7.5/10

Leads in:

Value for Money

Support

Ease of Use

AI Comparison Summary

LlamaIndex

7.5

avg score

Vercel AI SDK

8.0

avg score

Vercel AI SDK leads overall — particularly in Value for Money.

LlamaIndex has an edge in Customizability.

Based on 6 dimensions

How scores are calculated

Overall Winner

Vercel AI SDK

8.0 / 10

LlamaIndex

Best For

Building LLM-powered agents for custom data sources

Automating complex document processing and extraction

Developing Retrieval-Augmented Generation (RAG) applications

Orchestrating multi-step AI workflows for enterprise automation

Not Ideal For

Non-technical users seeking a no-code agent builder

Simple, single-step automation tasks without complex data interaction

Users who prefer a fully managed, proprietary AI agent solution without customization

Vercel AI SDK

Best For

Building AI-powered web applications with TypeScript

Integrating diverse AI models into a single codebase

Creating dynamic and interactive generative UIs

Developing AI agents with tool-use capabilities

Not Ideal For

Non-technical users seeking a no-code AI solution

Users who prefer a fully managed, proprietary AI platform

Projects not built with JavaScript/TypeScript frameworks

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

LlamaIndex is best for

🤖Automation & Agents6.7

Vercel AI SDK is best for

✍️Writing & Content3.0💬Chat & Conversation3.0🤖Automation & Agents3.0

Filter by your use case:

Pros & Cons

LlamaIndex

Pros

Provides a comprehensive framework for building sophisticated AI agents
Offers best-in-class document parsing and extraction capabilities with LlamaParse
Highly configurable and scalable for enterprise-grade performance
Supports a wide array of LLMs, embeddings, and vector stores via connectors
Features an event-driven, async-first workflow engine for flexible orchestration
Backed by a large and active open-source developer community

Cons

Requires coding knowledge (Python/Typescript) for full utilization
LlamaParse, the commercial document processing platform, is not open source
Steep learning curve for beginners due to extensive customization options
Building complex agentic workflows may require significant development effort

Vercel AI SDK

Pros

Free and open-source, reducing development costs
Unified API simplifies switching between AI model providers
Supports popular web frameworks like Next.js, React, Vue, and SvelteKit
Includes DevTools for comprehensive debugging and visibility into AI interactions
Enables streaming AI responses for improved user experience
Strong community support via GitHub discussions and extensive documentation

Cons

Primarily focused on TypeScript/JavaScript ecosystem
Requires developer expertise for implementation
DevTools are experimental and not for production use
Relies on external AI providers for core AI capabilities
No built-in hosting or deployment, relies on platforms like Vercel

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customizability5

Support & Ecosystem5

Integration Power5

Dimension Comparison

LlamaIndex

7.5

/ 10

Vercel AI SDK

8.0

/ 10

Your pick

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

LlamaIndex

6.0

Vercel AI SDK

7.0▲ +1.0

Output Quality

Quality and accuracy of generated results

LlamaIndex

8.0

Vercel AI SDK

8.0

Value for Money

Cost vs. features and output quality

LlamaIndex

7.0

Vercel AI SDK

10.0▲ +3.0

Customizability

Calculated

Ability to tailor to specific needs

LlamaIndex

8.0▲ +2.0

Vercel AI SDK

6.0

Support & Ecosystem

Documentation, community, and support quality

LlamaIndex

8.0

Vercel AI SDK

9.0▲ +1.0

Integration Power

Calculated

Ability to connect with other tools and workflows

LlamaIndex

8.0

Vercel AI SDK

8.0

Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, LlamaIndex or Vercel AI SDK?

Both are strong options. LlamaIndex has a rating of 0.0/5 (0 reviews), while Vercel AI SDK has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.

Is LlamaIndex cheaper than Vercel AI SDK?

LlamaIndex starts at free (open_source model). Vercel AI SDK starts at free (open_source model). Use the Cost Calculator above for a detailed estimate.

What are the main differences between LlamaIndex and Vercel AI SDK?

LlamaIndex — "Core building blocks for AI agents and document automation". Vercel AI SDK — "Build AI-powered applications and agents with a free, open-source TypeScript library.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Explore Alternatives

LlamaIndex Alternatives

Tools similar to LlamaIndex

Vercel AI SDK Alternatives

Tools similar to Vercel AI SDK

Compare More AI Tools

Use our comparison tool to compare up to 5 AI tools side-by-side with AI-powered recommendations.