---
title: "LangChain vs LlamaIndex: Which is more popular by branded search?"
description: "Which is more popular in search, LangChain or LlamaIndex? Compare estimated monthly branded-search demand and Share of Search inside the AI agent frameworks set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/compare/langchain-vs-llamaindex"
publisher: "Brandwave"
---

# LangChain vs LlamaIndex: Which is more popular by branded search?

Which is more popular in search, LangChain or LlamaIndex? Compare estimated monthly branded-search demand and Share of Search inside the AI agent frameworks set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: LangChain and LlamaIndex
- **Competitive set**: AI agent frameworks
- **Market**: Global
- **Month measured**: Aug 2026
- **LangChain Share of Search**: 67%
- **LlamaIndex Share of Search**: 7.4%

## Which is more popular in search, LangChain or LlamaIndex?

- In August 2026, LangChain had more branded searches than LlamaIndex among AI agent frameworks worldwide. LangChain was estimated to have 246K branded searches compared to LlamaIndex’s 27.1K, and held a 67% Share of Search versus LlamaIndex’s 7.4%.
- LangChain was ahead of LlamaIndex in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, LangChain’s estimated Share of Search among AI agent frameworks worldwide moved from 62.3% to 67%, and its estimated monthly branded searches moved from 301K to 246K.
- Across the 11 months ending August 2026, LlamaIndex’s estimated Share of Search among AI agent frameworks worldwide moved from 8.4% to 7.4%, and its estimated monthly branded searches moved from 40.5K to 27.1K.

## How did search popularity change for AI agent frameworks worldwide in August 2026?

- In August 2026, LangChain gained estimated Share of Search among AI agent frameworks worldwide, from 63.4% to 67%.
- In August 2026, LlamaIndex lost estimated Share of Search among AI agent frameworks worldwide, from 8.5% to 7.4%.

## Month by month

| Month | LangChain estimated searches | LangChain Share of Search | LangChain rank | LlamaIndex estimated searches | LlamaIndex Share of Search | LlamaIndex rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 301K | 62.3% | 1 | 40.5K | 8.4% | 4 |
| Nov 2025 | 301K | 67.3% | 1 | 33.1K | 7.4% | 4 |
| Dec 2025 | 301K | 68.8% | 1 | 33.1K | 7.6% | 4 |
| Jan 2026 | 301K | 64.3% | 1 | 40.5K | 8.7% | 4 |
| Feb 2026 | 301K | 63.1% | 1 | 33.1K | 6.9% | 4 |
| Mar 2026 | 368K | 59.7% | 1 | 49.5K | 8% | 4 |
| Apr 2026 | 301K | 56.9% | 1 | 40.5K | 7.7% | 4 |
| May 2026 | 301K | 60.9% | 1 | 40.5K | 8.2% | 3 |
| Jun 2026 | 301K | 64.6% | 1 | 33.1K | 7.1% | 4 |
| Jul 2026 | 246K | 63.4% | 1 | 33.1K | 8.5% | 3 |
| Aug 2026 | 246K | 67% | 1 | 27.1K | 7.4% | 4 |
| Sep 2026 | — | — | — | — | — | — |

## How each brand is measured

Brandwave collects information about searches that people make online using LangChain’s and LlamaIndex’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

- **LangChain**: Measured on the search term “langchain”.
- **LlamaIndex**: Measured on the search term “llamaindex”.

- [LangChain profile](/demand/global-en/brands/langchain)
- [LlamaIndex profile](/demand/global-en/brands/llamaindex)
- [All AI agent frameworks worldwide](/demand/global-en/categories/ai-agent-frameworks): The set both shares are measured inside, 5 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, LangChain or LlamaIndex?

In August 2026, LangChain had more branded searches than LlamaIndex among AI agent frameworks worldwide. LangChain was estimated to have 246K branded searches compared to LlamaIndex’s 27.1K, and held a 67% Share of Search versus LlamaIndex’s 7.4%.

## Cite this page

Brandwave. "LangChain vs LlamaIndex: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/langchain-vs-llamaindex

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/langchain-vs-llamaindex. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.