Can I use LangChain Agents and Vercel AI SDK together?

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

Does LangChain Agents or Vercel AI SDK have a free plan?

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

LangChain Agents vs Vercel AI SDK

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

Updated June 2026

LangChain Agents

LangChain, Inc.

The open-source framework and platform for building, observing, and deploying AI agents.

0.0(0)

OPEN_SOURCE

92% 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

LangChain Agents

Customers (per vendor):Klarna, Vanta, Rippling +7

GDPR

Vercel AI SDK

Uptime:99.99%Status page

Overall Winner: Vercel AI SDK

8.0/10 vs LangChain Agents at 7.0/10

Leads in:

Value for Money

Support

Output Quality

AI Comparison Summary

LangChain Agents

7.0

avg score

Vercel AI SDK

8.0

avg score

Vercel AI SDK leads overall — particularly in Ease of Use and Value for Money and 1 more.

LangChain Agents has an edge in Customizability.

Based on 6 dimensions

How scores are calculated

Overall Winner

Vercel AI SDK

8.0 / 10

LangChain Agents

Best For

Developers building custom AI agents

Teams needing to observe and evaluate LLM applications

Engineers deploying scalable, production-ready agents

Researchers experimenting with multi-agent systems

Not Ideal For

Non-technical users seeking a no-code, drag-and-drop agent builder without any coding

Individuals looking for a pre-built, off-the-shelf agent for specific tasks without customization

Users who prefer a fully managed, black-box solution without needing to understand agent internals

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

LangChain Agents is best for

🤖Automation & Agents7.7

Vercel AI SDK is best for

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

Filter by your use case:

Pros & Cons

LangChain Agents

Pros

Highly flexible and extensible for custom agent logic
Supports a wide range of LLM providers, preventing vendor lock-in
Comprehensive tools for debugging and performance evaluation (LangSmith)
Facilitates human-in-the-loop workflows for complex tasks
Strong community support and extensive documentation
Enables multi-agent collaboration and orchestration

Cons

Steep learning curve for beginners without development experience
Requires coding knowledge for advanced customization and framework usage
LangSmith platform costs can add up with high usage volumes
Performance and reliability depend heavily on underlying LLM choices
Debugging complex multi-step agents can still be challenging

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

LangChain Agents

7.0

/ 10

Vercel AI SDK

8.0

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

LangChain Agents

5.0

Vercel AI SDK

7.0▲ +2.0

Output Quality

Quality and accuracy of generated results

LangChain Agents

7.0

Vercel AI SDK

8.0▲ +1.0

Value for Money

Cost vs. features and output quality

LangChain Agents

7.0

Vercel AI SDK

10.0▲ +3.0

Customizability

Calculated

Ability to tailor to specific needs

LangChain Agents

9.0▲ +3.0

Vercel AI SDK

6.0

Support & Ecosystem

Documentation, community, and support quality

LangChain Agents

8.0

Vercel AI SDK

9.0▲ +1.0

Integration Power

Calculated

Ability to connect with other tools and workflows

LangChain Agents

6.0

Vercel AI SDK

8.0▲ +2.0

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, LangChain Agents or Vercel AI SDK?

Both are strong options. LangChain Agents 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 LangChain Agents cheaper than Vercel AI SDK?

LangChain Agents 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 LangChain Agents and Vercel AI SDK?

LangChain Agents — "The open-source framework and platform for building, observing, and deploying AI agents.". 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.

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