How popular ispgvector?
In September 2026, people searched for pgvector by name about 27,100 times worldwide, about the same as the previous year. These searches made up 16.8% of all global vector search platform searches, placing pgvector third out of eight platforms. When we asked both ChatGPT and Google AI Overviews about vector search platforms, pgvector appeared in all answers and was the fourth most recommended of the eight.
pgvector is the third most searched of 8 competitors and the fourth most recommended in AI answers.
QdrantShare of searches 34%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
PineconeShare of searches 20.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
pgvectorShare of searches 16.8%Mentioned in 5 of 5 AI answersPlace in AI recommendations 4th
MilvusShare of searches 14.7%Mentioned in 4 of 5 AI answersPlace in AI recommendations 5th
WeaviateShare of searches 5.5%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
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Top vector search platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, pgvector appeared in all five answers. pgvector is the fourth most recommended of the eight.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Qdrant5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Pinecone5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- pgvector5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Weaviate5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Milvus4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Chroma3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Elastic0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Vespa.ai0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about vector search platforms
5 answers
Asked ChatGPT
“Which vector search platform should I use?”
Asked ChatGPT
“What are the best vector search platforms?”
Asked ChatGPT
“What's the best vector search platform for ai search apps?”
Searched Google, AI Overview
“best vector search”
Searched Google, AI Overview
“vector search engine”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Which vector search platforms compete with pgvector?
Share of searches by month for Qdrant, Pinecone, pgvector, Milvus, Weaviate, Chroma, Elastic. The figures are in the table below the chart.
View monthly share of searches table
| Month | Qdrant | Pinecone | pgvector | Milvus | Weaviate | Chroma | Elastic | Vespa.ai |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.3% | 4.9% | 14.1% | 23.3% | 12.5% | 6.3% | 3.4% | 1.2% |
| Nov 2025 | 34.2% | 4.7% | 14.1% | 23.3% | 12.4% | 6.3% | 3.4% | 1.6% |
| Dec 2025 | 37.2% | 6.2% | 15.3% | 20.7% | 10.9% | 5.6% | 3.1% | 1.1% |
| Jan 2026 | 35.8% | 8.5% | 14.7% | 20.4% | 10.5% | 5.4% | 3.6% | 1% |
| Feb 2026 | 35.1% | 12.1% | 14.2% | 19.2% | 10.3% | 5.2% | 2.9% | 0.98% |
| Mar 2026 | 34.6% | 14.6% | 14.2% | 19.3% | 8.5% | 5.2% | 2.9% | 0.81% |
| Apr 2026 | 33.6% | 13.9% | 16.6% | 18.4% | 8.1% | 6.1% | 2.7% | 0.79% |
| May 2026 | 32.9% | 16.6% | 16.2% | 18% | 7.9% | 4.9% | 2.7% | 0.92% |
| Jun 2026 | 37.9% | 19% | 15.3% | 14.2% | 6.2% | 4.6% | 2% | 0.76% |
| Jul 2026 | 36.3% | 18.2% | 14.7% | 16.2% | 6.1% | 5.4% | 2.4% | 0.83% |
| Aug 2026 | 32.3% | 19.7% | 15.9% | 17.3% | 6.4% | 4.8% | 2.6% | 0.9% |
| Sep 2026 | 34% | 20.9% | 16.8% | 14.7% | 5.5% | 5% | 2.2% | 0.92% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 34% | 54.9K | 0% | +1.7 points | |
| 2, held 2nd | 20.9% | 33.7K | +0.33% | +1.1 points | |
| 3, moved from 4th to 3rd | 16.8% | 27.1K | 0% | +0.8 pointsmoved from 4th to 3rd | |
| 4, moved from 3rd to 4th | 14.7% | 23.8K | -19.3% | -2.6 pointsmoved from 3rd to 4th | |
| 5, held 5th | 5.5% | 8.8K | -19.1% | -0.9 points | |
| 6, held 6th | 5% | 8.1K | 0% | +0.3 points | |
| 7, held 7th | 2.2% | 3.6K | -18.3% | -0.4 points | |
| 8, held 8th | 0.92% | 1.5K | -2.6% | 0 points |
1.
Qdrant34%
Held 1st. 54.9K estimated branded searches, 0% vs prior month. Share +1.7 points.
2.
Pinecone20.9%
Held 2nd. 33.7K estimated branded searches, +0.33% vs prior month. Share +1.1 points.
3.
pgvector16.8%
Moved from 4th to 3rd. 27.1K estimated branded searches, 0% vs prior month. Share +0.8 points.
4.
Milvus14.7%
Moved from 3rd to 4th. 23.8K estimated branded searches, -19.3% vs prior month. Share -2.6 points.
5.
Weaviate5.5%
Held 5th. 8.8K estimated branded searches, -19.1% vs prior month. Share -0.9 points.
6.
Chroma5%
Held 6th. 8.1K estimated branded searches, 0% vs prior month. Share +0.3 points.
7.
Elastic2.2%
Held 7th. 3.6K estimated branded searches, -18.3% vs prior month. Share -0.4 points.
8.
Vespa.ai0.92%
Held 8th. 1.5K estimated branded searches, -2.6% vs prior month. Share 0 points.
Compare popularity between pgvector and its closest rivals
Every comparison with pgvector
7 comparisons
How has branded search demand for pgvector changed worldwide over the last 12 months?
3 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for pgvector worldwide held steady at 27.1K.
- Across the 12 months ending September 2026, pgvector’s share of searches among vector search platforms worldwide increased from 14.1% to 16.8%.
- Across the 12 months ending September 2026, pgvector’s share of searches among vector search platforms worldwide peaked at 16.8% in September 2026 and was lowest at 14.1% in November 2025.
How did search popularity change for vector search platforms worldwide in September 2026?
6 changes
In September 2026, pgvector overtook Milvus to rank 3rd among vector search platforms worldwide, with 16.8% of the searches.
In September 2026, Qdrant gained share of searches among vector search platforms worldwide, from 32.3% to 34%.
In September 2026, Pinecone gained share of searches among vector search platforms worldwide, from 19.7% to 20.9%.
In September 2026, Milvus lost share of searches among vector search platforms worldwide, from 17.3% to 14.7%.
In September 2026, Weaviate lost share of searches among vector search platforms worldwide, from 6.4% to 5.5%.
Estimated monthly branded searches for Elastic worldwide fell 45.6% over 12 measured months, from 6.6K to 3.6K in September 2026.
How are pgvector’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using pgvector’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- pgvector
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Where does pgvector compete?
| Competitor set | Rank | Share of searches | Ranking |
|---|---|---|---|
| Vector search platforms | 3rd of 8 | 16.8% | Shown above |
| Vector databases | 3rd of 6 | 17.3% | Show ranking |
Is pgvector your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.