Brandwave

Rag platforms:Which brands are most popular in search?

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.

Share of Search, August 2026
  1. LangChain88.8%
  2. LlamaIndex9.8%
  3. Vectara0.69%
  4. Ragie0.36%
  5. LlamaCloud0.32%
  6. Haystack<0.01%

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Share of SearchLeaderboard

Compare the rag platforms engineering teams rely on. 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.

Share of Search among rag platforms worldwide, by month

Share of Search by month for LangChain, LlamaIndex. The figures are in the table below the chart.

View monthly share of search table
MonthLangChainLlamaIndexVectaraRagieLlamaCloudHaystack
Oct 202585.9%11.6%1%0.68%0.83%0%
Nov 202588.2%9.7%0.85%0.56%0.7%<0.01%
Dec 202588.4%9.7%0.85%0.47%0.56%<0.01%
Jan 202686.4%11.6%0.83%0.46%0.69%<0.01%
Feb 202688.5%9.7%0.85%0.38%0.56%<0.01%
Mar 202686.8%11.7%0.68%0.38%0.45%<0.01%
Apr 202686.7%11.7%0.83%0.37%0.46%<0.01%
May 202686.7%11.7%0.84%0.37%0.37%<0.01%
Jun 202688.7%9.8%0.71%0.47%0.38%<0.01%
Jul 202686.6%11.7%0.67%0.56%0.46%<0.01%
Aug 202688.8%9.8%0.69%0.36%0.32%<0.01%
Sep 2026——————

This month’s ranking, August 2026

  1. 1.LangChain

    88.8%

    Held 1st. 246K estimated branded searches, 0% vs prior month. Share +2.2 points.

  2. 2.LlamaIndex

    9.8%

    Held 2nd. 27.1K estimated branded searches, -18.1% vs prior month. Share -1.9 points.

  3. 3.Vectara

    0.69%

    Held 3rd. 1.9K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Ragie

    0.36%

    Held 4th. 1K estimated branded searches, -37.5% vs prior month. Share -0.2 points.

  5. 5.LlamaCloud

    0.32%

    Held 5th. 880 estimated branded searches, -32.3% vs prior month. Share -0.1 points.

  6. 6.Haystack

    <0.01%

    Held 6th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between leading brands

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.

Global rag platforms, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
LangChain85.9% → 88.8%88.8%Aug 202685.9%Oct 20251st
LlamaIndex11.6% → 9.8%11.7%Mar 20269.7%Nov 20252nd
Vectara1% → 0.69%1%Oct 20250.67%Jul 20263rd
Ragie0.68% → 0.36%0.68%Oct 20250.36%Aug 20265th → 4th
LlamaCloud0.83% → 0.32%0.83%Oct 20250.32%Aug 20264th → 5th
Haystack0% → <0.01%<0.01%Dec 20250%Oct 20256th

Each finding as a sentence

  • 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.

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

  1. In August 2026, LangChain gained estimated Share of Search among rag platforms worldwide, from 86.6% to 88.8%.

  2. In August 2026, LlamaIndex lost estimated Share of Search among rag platforms worldwide, from 11.7% to 9.8%.

  3. Estimated monthly branded searches for LlamaCloud worldwide fell 69.7% over 11 measured months, from 2.9K to 880 in August 2026.

  4. Estimated monthly branded searches for Ragie worldwide fell 58.3% over 11 measured months, from 2.4K to 1K in August 2026.

  5. Estimated monthly branded searches for Vectara worldwide fell 47.2% over 11 measured months, from 3.6K to 1.9K in August 2026.

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