Chroma vs pgvector:Which is searched more?
In August 2026, pgvector had more branded searches than Chroma among vector databases worldwide. pgvector was estimated to have 27.1K branded searches compared to Chroma’s 8.1K, and held a 17.5% Share of Search versus Chroma’s 5.2%. These are worldwide searches for English-language branded terms.
Follow Chroma vs pgvector and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, Chroma or pgvector?
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 by month for pgvector, Chroma. The figures are in the table below the chart.
View monthly share of search table
| Month | pgvector | Chroma |
|---|---|---|
| Oct 2025 | 15.8% | 7% |
| Nov 2025 | 15.8% | 7.1% |
| Dec 2025 | 17% | 6.2% |
| Jan 2026 | 16.5% | 6% |
| Feb 2026 | 15.8% | 5.8% |
| Mar 2026 | 15.6% | 5.7% |
| Apr 2026 | 18.2% | 6.7% |
| May 2026 | 17.9% | 5.3% |
| Jun 2026 | 16.8% | 5% |
| Jul 2026 | 16.1% | 5.9% |
| Aug 2026 | 17.5% | 5.2% |
| Sep 2026 | — | — |
How has the Chroma and pgvector comparison changed over the last 12 months?
3 findings
- pgvector was ahead of Chroma in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Chroma’s estimated Share of Search among vector databases worldwide moved from 7% to 5.2%, and its estimated monthly branded searches moved from 12.1K to 8.1K.
- Across the 11 months ending August 2026, pgvector’s estimated Share of Search among vector databases worldwide moved from 15.8% to 17.5%, and its estimated monthly branded searches held steady at 27.1K.
How did search popularity change for vector databases worldwide in August 2026?
2 changes

In August 2026, pgvector gained estimated Share of Search among vector databases worldwide, from 16.1% to 17.5%.
In August 2026, Chroma lost estimated Share of Search among vector databases worldwide, from 5.9% to 5.2%.
How each brand is measured
Brandwave collects information about searches that people make online using Chroma’s and pgvector’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.

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.