---
title: "langchain vs langchain-chat-nextjs"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/brainlid-langchain-vs-zahidkhawaja-langchain-chat-nextjs"
tools: ["brainlid-langchain", "zahidkhawaja-langchain-chat-nextjs"]
---

# langchain vs langchain-chat-nextjs

*GraphCanon updated Sep 20, 2026*

## Verdict

Pick langchain if langChain framework tailored for Elixir projects; pick langchain-chat-nextjs if langchain-chat-nextjs is specifically designed to integrate Next.js with LangChain Chat, offering an enhanced user experience for developers working with AI-powered chat interfaces directly within the Next.js ecosystem.

[langchain](https://hexdocs.pm/langchain/) reports 1.2k GitHub stars, 215 forks, and 32 open issues, last pushed Aug 26, 2026. [langchain-chat-nextjs](https://blog.langchain.dev/langchain-chat/) has 1.0k stars, 252 forks, and 6 open issues, last pushed Mar 16, 2023. Figures are from public GitHub metadata via [langchain's repository](https://github.com/brainlid/langchain) and [langchain-chat-nextjs's repository](https://github.com/zahidkhawaja/langchain-chat-nextjs).

| | [langchain](/tools/brainlid-langchain.md) | [langchain-chat-nextjs](/tools/zahidkhawaja-langchain-chat-nextjs.md) |
| --- | --- | --- |
| Tagline | Elixir implementation of a LangChain style framework for integrating with and leveraging LLMs. | Next.js frontend for LangChain Chat |
| Stars | 1,198 | 1,015 |
| Forks | 215 | 252 |
| Open issues | 32 | 6 |
| Language | Elixir | JavaScript |
| Adopt for | LangChain framework tailored for Elixir projects | langchain-chat-nextjs is specifically designed to integrate Next.js with LangChain Chat, offering an enhanced user experience for developers working with AI-powered chat interfaces directly within the Next.js ecosystem. |
| Persona | - | - |
| Runtime | - | - |
| License | Other | MIT |
| Categories | LLM Frameworks | Developer Tools, LLM Frameworks |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [langchain](/tools/brainlid-langchain.md) | [langchain-chat-nextjs](/tools/zahidkhawaja-langchain-chat-nextjs.md) |
| --- | --- | --- |
| Maintenance | Active (82%) | Dormant (18%) |
| Days since push | 12d | 1283d |
| Open issues (now) | 32 | 6 |
| Stars delta | +6 (30d) | -1 (30d) |
| Open issues delta | +2 (30d) | +1 (30d) |
| Full report | [trust report](/tools/brainlid-langchain/trust.md) | [trust report](/tools/zahidkhawaja-langchain-chat-nextjs/trust.md) |

## Decision facts: langchain

- **Requirements:** Requires at least Elixir 1.17; Add `langchain` to dep list in `mix.exs` for installation
- **Adopt for:** LangChain framework tailored for Elixir projects

## Decision facts: langchain-chat-nextjs

- **Adopt for:** langchain-chat-nextjs is specifically designed to integrate Next.js with LangChain Chat, offering an enhanced user experience for developers working with AI-powered chat interfaces directly within the Next.js ecosystem.

## Choose when

### Choose langchain if…

- langchain is primarily Elixir; langchain-chat-nextjs is JavaScript.
- License: langchain is Other, langchain-chat-nextjs is MIT.
- Requirements: Requires at least Elixir 1.17; Add `langchain` to dep list in `mix.exs` for installation.
- Tags unique to langchain: ai, anthropic, bumblebee, chatgpt.
- You are working on an Elixir project and want to integrate advanced Language Model capabilities.

### Choose langchain-chat-nextjs if…

- langchain-chat-nextjs is primarily JavaScript; langchain is Elixir.
- License: langchain-chat-nextjs is MIT, langchain is Other.
- Tags unique to langchain-chat-nextjs: javascript, nextjs, openai.
- Also covers Developer Tools.
- You require a seamless integration between Next.js and LangChain Chat specifically for rapid development of AI-driven chat applications

## When NOT to use langchain

- Your project is not written in Elixir, as this framework does not offer official support for other programming languages.
- If your requirements mandate a non-Elixir environment or dependency ecosystem, such as Python which has more mature LLM frameworks.

## When NOT to use langchain-chat-nextjs

- If your project demands direct support from a different frontend framework that is not aligned with or capable of easily integrating with Next.js
- When you seek an out-of-the-box solution without customization options, as this tool emphasizes custom integration and editing for specific needs

## Common questions

### What is the difference between langchain and langchain-chat-nextjs?

langchain: Elixir implementation of a LangChain style framework for integrating with and leveraging LLMs.. langchain-chat-nextjs: Next.js frontend for LangChain Chat. See the comparison table for live GitHub stats and shared categories.

### When should I choose langchain over langchain-chat-nextjs?

Choose langchain over langchain-chat-nextjs when langchain is primarily Elixir; langchain-chat-nextjs is JavaScript; License: langchain is Other, langchain-chat-nextjs is MIT; Requirements: Requires at least Elixir 1.17; Add `langchain` to dep list in `mix.exs` for installation; Tags unique to langchain: ai, anthropic, bumblebee, chatgpt; You are working on an Elixir project and want to integrate advanced Language Model capabilities.

### When should I choose langchain-chat-nextjs over langchain?

Choose langchain-chat-nextjs over langchain when langchain-chat-nextjs is primarily JavaScript; langchain is Elixir; License: langchain-chat-nextjs is MIT, langchain is Other; Tags unique to langchain-chat-nextjs: javascript, nextjs, openai; Also covers Developer Tools; You require a seamless integration between Next.js and LangChain Chat specifically for rapid development of AI-driven chat applications.

### When should I avoid langchain?

Your project is not written in Elixir, as this framework does not offer official support for other programming languages. If your requirements mandate a non-Elixir environment or dependency ecosystem, such as Python which has more mature LLM frameworks.

### When should I avoid langchain-chat-nextjs?

If your project demands direct support from a different frontend framework that is not aligned with or capable of easily integrating with Next.js When you seek an out-of-the-box solution without customization options, as this tool emphasizes custom integration and editing for specific needs

### Is langchain or langchain-chat-nextjs more popular on GitHub?

langchain has more GitHub stars (1,198 vs 1,015). Stars measure visibility, not whether either tool fits your constraints.

### Are langchain and langchain-chat-nextjs open source?

Yes - both are open-source projects on GitHub (langchain: Other, langchain-chat-nextjs: MIT).

### Where can I find alternatives to langchain or langchain-chat-nextjs?

GraphCanon lists graph-backed alternatives at [langchain alternatives](/tools/brainlid-langchain/alternatives) and [langchain-chat-nextjs alternatives](/tools/zahidkhawaja-langchain-chat-nextjs/alternatives) ([langchain markdown twin](/tools/brainlid-langchain/alternatives.md), [langchain-chat-nextjs markdown twin](/tools/zahidkhawaja-langchain-chat-nextjs/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/brainlid-langchain-vs-zahidkhawaja-langchain-chat-nextjs.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, langchain or langchain-chat-nextjs?

langchain: Active. langchain-chat-nextjs: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for langchain and langchain-chat-nextjs?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [langchain trust report](/tools/brainlid-langchain/trust); [langchain-chat-nextjs trust report](/tools/zahidkhawaja-langchain-chat-nextjs/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=brainlid-langchain`](/api/graphcanon/graph?tool=brainlid-langchain)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
