---
title: "Rag platforms: Which brands are most popular in search?"
description: "Compare the rag platforms engineering teams rely on. Share of Search among LangChain, LlamaIndex, Vectara, Ragie, LlamaCloud and Haystack, the rag platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/categories/rag-platforms"
publisher: "Brandwave"
---

# Rag platforms: Which brands are most popular in search?

Compare the rag platforms engineering teams rely on. Share of Search among LangChain, LlamaIndex, Vectara, Ragie, LlamaCloud and Haystack, the rag platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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

- **Competitive set**: Rag platforms
- **Market**: Global
- **Brands compared**: 6
- **Month measured**: Aug 2026
- **Highest Share of Search**: LangChain, 88.8%

## Which brand is most popular in search among rag platforms worldwide?

- In August 2026, LangChain was the most searched among rag platforms worldwide, with an estimated 246K branded searches and 88.8% estimated Share of Search within this set.
- LlamaIndex is in 2nd place, 79.1 percentage points behind at 9.8% Share of Search.
- Across the 11 months ending August 2026, LangChain’s estimated Share of Search among rag platforms worldwide increased from 85.9% to 88.8%.
- Across the 11 months ending August 2026, LlamaIndex’s estimated Share of Search among rag platforms worldwide decreased from 11.6% to 9.8%.
- Across the 11 months ending August 2026, LlamaCloud’s estimated Share of Search among rag platforms worldwide decreased from 0.83% to 0.32%.
- Across the 11 months ending August 2026, LlamaIndex’s estimated Share of Search among rag platforms worldwide peaked at 11.7% in March 2026 and was lowest at 9.7% in November 2025.
- Across the 11 months ending August 2026, Ragie rose from 5th to 4th among rag platforms worldwide.
- Across the 11 months ending August 2026, LlamaCloud fell from 4th to 5th among rag platforms worldwide.
- Across the 11 months ending August 2026, Vectara and Haystack held steady: their estimated Share of Search among rag platforms worldwide each moved less than 0.5 percentage points.

## Compare search popularity between leading brands

- [LangChain vs LlamaIndex: compare search popularity](/demand/global-en/compare/langchain-vs-llamaindex): 88.8% against 9.8% Share of Search.

## How did search popularity change for rag platforms worldwide in August 2026?

- In August 2026, LangChain gained estimated Share of Search among rag platforms worldwide, from 86.6% to 88.8%.
- In August 2026, LlamaIndex lost estimated Share of Search among rag platforms worldwide, from 11.7% to 9.8%.
- Estimated monthly branded searches for LlamaCloud worldwide fell 69.7% over 11 measured months, from 2.9K to 880 in August 2026.
- Estimated monthly branded searches for Ragie worldwide fell 58.3% over 11 measured months, from 2.4K to 1K in August 2026.
- Estimated monthly branded searches for Vectara worldwide fell 47.2% over 11 measured months, from 3.6K to 1.9K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | LangChain | 88.8% | 246K | 0.0% | LangChain |
| 2 | LlamaIndex | 9.8% | 27.1K | -18.1% | LlamaIndex |
| 3 | Vectara | 0.69% | 1.9K | 0.0% | Vectara |
| 4 | Ragie | 0.36% | 1K | -37.5% | Ragie |
| 5 | LlamaCloud | 0.32% | 880 | -32.3% | LlamaCloud |
| 6 | Haystack | <0.01% | 10 | 0.0% | Haystack |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | LangChain | 301K | 85.9% | 1 |
| Oct 2025 | LlamaIndex | 40.5K | 11.6% | 2 |
| Oct 2025 | Vectara | 3.6K | 1% | 3 |
| Oct 2025 | LlamaCloud | 2.9K | 0.83% | 4 |
| Oct 2025 | Ragie | 2.4K | 0.68% | 5 |
| Oct 2025 | Haystack | 0 | 0% | 6 |
| Nov 2025 | LangChain | 301K | 88.2% | 1 |
| Nov 2025 | LlamaIndex | 33.1K | 9.7% | 2 |
| Nov 2025 | Vectara | 2.9K | 0.85% | 3 |
| Nov 2025 | LlamaCloud | 2.4K | 0.7% | 4 |
| Nov 2025 | Ragie | 1.9K | 0.56% | 5 |
| Nov 2025 | Haystack | 20 | <0.01% | 6 |
| Dec 2025 | LangChain | 301K | 88.4% | 1 |
| Dec 2025 | LlamaIndex | 33.1K | 9.7% | 2 |
| Dec 2025 | Vectara | 2.9K | 0.85% | 3 |
| Dec 2025 | LlamaCloud | 1.9K | 0.56% | 4 |
| Dec 2025 | Ragie | 1.6K | 0.47% | 5 |
| Dec 2025 | Haystack | 30 | <0.01% | 6 |
| Jan 2026 | LangChain | 301K | 86.4% | 1 |
| Jan 2026 | LlamaIndex | 40.5K | 11.6% | 2 |
| Jan 2026 | Vectara | 2.9K | 0.83% | 3 |
| Jan 2026 | LlamaCloud | 2.4K | 0.69% | 4 |
| Jan 2026 | Ragie | 1.6K | 0.46% | 5 |
| Jan 2026 | Haystack | 30 | <0.01% | 6 |
| Feb 2026 | LangChain | 301K | 88.5% | 1 |
| Feb 2026 | LlamaIndex | 33.1K | 9.7% | 2 |
| Feb 2026 | Vectara | 2.9K | 0.85% | 3 |
| Feb 2026 | LlamaCloud | 1.9K | 0.56% | 4 |
| Feb 2026 | Ragie | 1.3K | 0.38% | 5 |
| Feb 2026 | Haystack | 20 | <0.01% | 6 |
| Mar 2026 | LangChain | 368K | 86.8% | 1 |
| Mar 2026 | LlamaIndex | 49.5K | 11.7% | 2 |
| Mar 2026 | Vectara | 2.9K | 0.68% | 3 |
| Mar 2026 | LlamaCloud | 1.9K | 0.45% | 4 |
| Mar 2026 | Ragie | 1.6K | 0.38% | 5 |
| Mar 2026 | Haystack | 10 | <0.01% | 6 |
| Apr 2026 | LangChain | 301K | 86.7% | 1 |
| Apr 2026 | LlamaIndex | 40.5K | 11.7% | 2 |
| Apr 2026 | Vectara | 2.9K | 0.83% | 3 |
| Apr 2026 | LlamaCloud | 1.6K | 0.46% | 4 |
| Apr 2026 | Ragie | 1.3K | 0.37% | 5 |
| Apr 2026 | Haystack | 30 | <0.01% | 6 |
| May 2026 | LangChain | 301K | 86.7% | 1 |
| May 2026 | LlamaIndex | 40.5K | 11.7% | 2 |
| May 2026 | Vectara | 2.9K | 0.84% | 3 |
| May 2026 | LlamaCloud | 1.3K | 0.37% | 4 |
| May 2026 | Ragie | 1.3K | 0.37% | 5 |
| May 2026 | Haystack | 20 | <0.01% | 6 |
| Jun 2026 | LangChain | 301K | 88.7% | 1 |
| Jun 2026 | LlamaIndex | 33.1K | 9.8% | 2 |
| Jun 2026 | Vectara | 2.4K | 0.71% | 3 |
| Jun 2026 | Ragie | 1.6K | 0.47% | 4 |
| Jun 2026 | LlamaCloud | 1.3K | 0.38% | 5 |
| Jun 2026 | Haystack | 10 | <0.01% | 6 |
| Jul 2026 | LangChain | 246K | 86.6% | 1 |
| Jul 2026 | LlamaIndex | 33.1K | 11.7% | 2 |
| Jul 2026 | Vectara | 1.9K | 0.67% | 3 |
| Jul 2026 | Ragie | 1.6K | 0.56% | 4 |
| Jul 2026 | LlamaCloud | 1.3K | 0.46% | 5 |
| Jul 2026 | Haystack | 10 | <0.01% | 6 |
| Aug 2026 | LangChain | 246K | 88.8% | 1 |
| Aug 2026 | LlamaIndex | 27.1K | 9.8% | 2 |
| Aug 2026 | Vectara | 1.9K | 0.69% | 3 |
| Aug 2026 | Ragie | 1K | 0.36% | 4 |
| Aug 2026 | LlamaCloud | 880 | 0.32% | 5 |
| Aug 2026 | Haystack | 10 | <0.01% | 6 |
| Sep 2026 | Haystack | — | — | — |
| Sep 2026 | LangChain | — | — | — |
| Sep 2026 | LlamaCloud | — | — | — |
| Sep 2026 | LlamaIndex | — | — | — |
| Sep 2026 | Ragie | — | — | — |
| Sep 2026 | Vectara | — | — | — |

## What is being compared

- **Haystack**: Measured on the search term “haystack engineering”.
- **LangChain**: Measured on the search term “langchain”.
- **LlamaCloud**: Measured on the search term “llamacloud”.
- **LlamaIndex**: Measured on the search term “llamaindex”.
- **Ragie**: Measured on the search term “ragie”.
- **Vectara**: Measured on the search term “vectara”.

- [Haystack](/demand/global-en/brands/haystack)
- [LangChain](/demand/global-en/brands/langchain)
- [LlamaCloud](/demand/global-en/brands/llamacloud)
- [LlamaIndex](/demand/global-en/brands/llamaindex)
- [Ragie](/demand/global-en/brands/ragie)
- [Vectara](/demand/global-en/brands/vectara)

## 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 brand is most popular in search among rag platforms worldwide?

In August 2026, LangChain was the most searched among rag platforms worldwide, with an estimated 246K branded searches and 88.8% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Rag platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/rag-platforms

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