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Vector databases:Which brands are most popular in search?

In August 2026, Qdrant was the most searched among vector databases worldwide, with an estimated 49.5K branded searches and 31.9% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Qdrant31.9%
  2. Pinecone21.6%
  3. Milvus17.5%
  4. pgvector17.5%
  5. Weaviate6.4%
  6. Chroma5.2%

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Share of SearchLeaderboard

Compare the vector databases 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 vector databases worldwide, by month

Share of Search by month for Qdrant, Pinecone, Milvus, pgvector, Weaviate, Chroma. The figures are in the table below the chart.

View monthly share of search table
MonthQdrantPineconeMilvuspgvectorWeaviateChroma
Oct 202535.2%5.5%23.6%15.8%12.9%7%
Nov 202535.3%5.3%23.6%15.8%12.9%7.1%
Dec 202537.9%6.8%20.7%17%11.3%6.2%
Jan 202636.8%9.5%20.1%16.5%11%6%
Feb 202635.2%13.4%19.3%15.8%10.5%5.8%
Mar 202634.9%16%19.1%15.6%8.5%5.7%
Apr 202633.3%15.3%18.2%18.2%8.2%6.7%
May 202632.7%18.3%17.9%17.9%8%5.3%
Jun 202637.5%20.8%13.7%16.8%6.1%5%
Jul 202636%20%16.1%16.1%5.9%5.9%
Aug 202631.9%21.6%17.5%17.5%6.4%5.2%
Sep 2026——————

This month’s ranking, August 2026

  1. 1.Qdrant

    31.9%

    Held 1st. 49.5K estimated branded searches, -18.2% vs prior month. Share -4.1 points.

  2. 2.Pinecone

    21.6%

    Held 2nd. 33.6K estimated branded searches, 0% vs prior month. Share +1.6 points.

  3. 3.Milvus

    17.5%

    Held 3rd. 27.1K estimated branded searches, 0% vs prior month. Share +1.3 points.

  4. 4.pgvector

    17.5%

    Held 4th. 27.1K estimated branded searches, 0% vs prior month. Share +1.3 points.

  5. 5.Weaviate

    6.4%

    Moved from 6th to 5th. 9.9K estimated branded searches, 0% vs prior month. Share +0.5 points.

  6. 6.Chroma

    5.2%

    Moved from 5th to 6th. 8.1K estimated branded searches, -18.2% vs prior month. Share -0.7 points.

Compare search popularity between leading brands

Which brand is most popular in search among vector databases worldwide?

In August 2026, Qdrant was the most searched among vector databases worldwide, with an estimated 49.5K branded searches and 31.9% estimated Share of Search within this set. Pinecone is in 2nd place, 10.3 percentage points behind at 21.6% Share of Search.

Global vector databases, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Qdrant35.2% → 31.9%37.9%Dec 202531.9%Aug 20261st
Pinecone5.5% → 21.6%21.6%Aug 20265.3%Nov 20256th → 2nd
Milvus23.6% → 17.5%23.6%Nov 202513.7%Jun 20262nd → 3rd
pgvector15.8% → 17.5%18.2%Apr 202615.6%Mar 20263rd → 4th
Weaviate12.9% → 6.4%12.9%Nov 20255.9%Jul 20264th → 5th
Chroma7% → 5.2%7.1%Nov 20255%Jun 20265th → 6th

Each finding as a sentence

  • Across the 11 months ending August 2026, Qdrant’s estimated Share of Search among vector databases worldwide decreased from 35.2% to 31.9%.
  • Across the 11 months ending August 2026, Pinecone’s estimated Share of Search among vector databases worldwide increased from 5.5% to 21.6%.
  • Across the 11 months ending August 2026, Milvus’ estimated Share of Search among vector databases worldwide decreased from 23.6% to 17.5%.
  • Across the 11 months ending August 2026, pgvector’s estimated Share of Search among vector databases worldwide increased from 15.8% to 17.5%.
  • Across the 11 months ending August 2026, Weaviate’s estimated Share of Search among vector databases worldwide decreased from 12.9% to 6.4%.
  • Across the 11 months ending August 2026, Chroma’s estimated Share of Search among vector databases worldwide decreased from 7% to 5.2%.
  • Across the 11 months ending August 2026, Qdrant’s estimated Share of Search among vector databases worldwide peaked at 37.9% in December 2025 and was lowest at 31.9% in August 2026.
  • Across the 11 months ending August 2026, Pinecone’s estimated Share of Search among vector databases worldwide peaked at 21.6% in August 2026 and was lowest at 5.3% in November 2025.
  • Across the 11 months ending August 2026, Milvus’ estimated Share of Search among vector databases worldwide peaked at 23.6% in November 2025 and was lowest at 13.7% in June 2026.
  • Across the 11 months ending August 2026, pgvector’s estimated Share of Search among vector databases worldwide peaked at 18.2% in April 2026 and was lowest at 15.6% in March 2026.
  • Across the 11 months ending August 2026, Weaviate’s estimated Share of Search among vector databases worldwide peaked at 12.9% in November 2025 and was lowest at 5.9% in July 2026.
  • Across the 11 months ending August 2026, Chroma’s estimated Share of Search among vector databases worldwide peaked at 7.1% in November 2025 and was lowest at 5% in June 2026.
  • Across the 11 months ending August 2026, Pinecone rose from 6th to 2nd among vector databases worldwide.
  • Across the 11 months ending August 2026, Milvus fell from 2nd to 3rd among vector databases worldwide.
  • Across the 11 months ending August 2026, pgvector fell from 3rd to 4th among vector databases worldwide.
  • Across the 11 months ending August 2026, Weaviate fell from 4th to 5th among vector databases worldwide.
  • Across the 11 months ending August 2026, Chroma fell from 5th to 6th among vector databases worldwide.

How did search popularity change for vector databases worldwide in August 2026?

  1. In August 2026, Pinecone gained estimated Share of Search among vector databases worldwide, from 20% to 21.6%.

  2. In August 2026, Milvus gained estimated Share of Search among vector databases worldwide, from 16.1% to 17.5%.

  3. In August 2026, pgvector gained estimated Share of Search among vector databases worldwide, from 16.1% to 17.5%.

  4. In August 2026, Qdrant lost estimated Share of Search among vector databases worldwide, from 36% to 31.9%.

  5. In August 2026, Chroma lost estimated Share of Search among vector databases worldwide, from 5.9% to 5.2%.

  6. In August 2026, Weaviate rose from 6th to 5th among vector databases worldwide.

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