--- title: "LangChain vs RAGFlow: Which is searched more?" description: "Is LangChain or RAGFlow more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Rag platforms 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-ragflow" publisher: "Brandwave" --- # LangChain vs RAGFlow: Which is searched more? Is LangChain or RAGFlow more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Rag platforms 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 RAGFlow - **Competitive set**: Rag platforms - **Market**: Global - **Month measured**: Sep 2026 - **LangChain Share of Search**: 43% - **RAGFlow Share of Search**: 2.6% ## Is LangChain or RAGFlow more popular in search? - In September 2026, LangChain had more branded searches than RAGFlow among rag platforms worldwide. LangChain had about 246,000 branded searches, while RAGFlow had 14,800. LangChain made up 43% of all rag platform searches we track, and RAGFlow accounted for 2.6%. - LangChain was ahead of RAGFlow in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, LangChain’s share of searches among rag platforms worldwide moved from 42.2% to 43%, and its estimated monthly branded searches moved from 301K to 246K. - Across the 12 months ending September 2026, RAGFlow’s share of searches among rag platforms worldwide moved from 2.5% to 2.6%, and its estimated monthly branded searches moved from 18.1K to 14.8K. ## Top rag platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, both LangChain and RAGFlow showed up in all five answers. LangChain was listed before RAGFlow in every answer. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | LlamaIndex | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | LangChain | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | LangGraph | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Haystack | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | RAGFlow | 5th | 3 of 3 | 2 of 2 | 5 of 5 | | Dify | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | Vectara | 7th | 2 of 3 | 0 of 2 | 2 of 5 | | Azure AI Search | 8th | 2 of 3 | 0 of 2 | 2 of 5 | | LlamaCloud | 9th | 2 of 3 | 0 of 2 | 2 of 5 | | Ragie | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about rag platforms - Asked ChatGPT "Which RAG platform should I use?": 1. LlamaIndex, 2. LangChain, 3. LangGraph, 4. Haystack, 5. RAGFlow, 6. Azure AI Search - Asked ChatGPT "What are the best RAG platforms?": 1. LlamaIndex, 2. LangChain, 3. LangGraph, 4. Haystack, 5. RAGFlow, 6. Dify, 7. Vectara, 8. Azure AI Search, 9. LlamaCloud - Asked ChatGPT "What's the best RAG platform for a development team?": 1. LlamaIndex, 2. LangChain, 3. LangGraph, 4. Haystack, 5. Vectara, 6. RAGFlow, 7. LlamaCloud - Searched Google, AI Overview "rag platforms": 1. LlamaIndex, 2. LangChain, 3. LangGraph, 4. Haystack, 5. Dify, 6. RAGFlow - Searched Google, AI Overview "rag software": 1. LangChain, 2. LlamaIndex, 3. RAGFlow, 4. Haystack Not named in any answer: Ragie. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for rag platforms worldwide in September 2026? - In September 2026, LangChain gained share of searches among rag platforms worldwide, from 42.4% to 43%. - In September 2026, RAGFlow lost share of searches among rag platforms worldwide, from 3.1% to 2.6%. ## Month by month | Month | LangChain estimated searches | LangChain Share of Search | LangChain rank | RAGFlow estimated searches | RAGFlow Share of Search | RAGFlow rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 301K | 42.2% | 1 | 18.1K | 2.5% | 5 | | Nov 2025 | 301K | 46.7% | 1 | 18.1K | 2.8% | 5 | | Dec 2025 | 301K | 44.9% | 1 | 18.1K | 2.7% | 5 | | Jan 2026 | 301K | 42.3% | 1 | 18.1K | 2.5% | 5 | | Feb 2026 | 301K | 44.9% | 1 | 14.8K | 2.2% | 6 | | Mar 2026 | 368K | 42.6% | 1 | 22.2K | 2.6% | 5 | | Apr 2026 | 301K | 40.2% | 1 | 22.2K | 3% | 5 | | May 2026 | 301K | 40.5% | 1 | 18.1K | 2.4% | 5 | | Jun 2026 | 301K | 40.9% | 1 | 18.1K | 2.5% | 5 | | Jul 2026 | 246K | 40% | 1 | 18.1K | 2.9% | 5 | | Aug 2026 | 246K | 42.4% | 1 | 18.1K | 3.1% | 5 | | Sep 2026 | 246K | 43% | 1 | 14.8K | 2.6% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using LangChain’s and RAGFlow’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”. - **RAGFlow**: Measured on the search term “ragflow”. - [LangChain profile](/demand/global-en/brands/langchain) - [RAGFlow profile](/demand/global-en/brands/ragflow) - [All rag platforms worldwide](/demand/global-en/categories/rag-platforms): The set both shares are measured inside, 10 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is LangChain or RAGFlow more popular in search? In September 2026, LangChain had more branded searches than RAGFlow among rag platforms worldwide. LangChain had about 246,000 branded searches, while RAGFlow had 14,800. LangChain made up 43% of all rag platform searches we track, and RAGFlow accounted for 2.6%. ## Cite this page Brandwave. "LangChain vs RAGFlow: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/langchain-vs-ragflow This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/langchain-vs-ragflow. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.