Microsoft Purview vs OpenMetadata:Which is more popular?
In September 2026, Microsoft Purview had more branded searches than OpenMetadata among data catalogues worldwide. Microsoft Purview had about 60,500 branded searches, while OpenMetadata had 22,200. Microsoft Purview made up 21.6% of all data catalogue searches we track, and OpenMetadata accounted for 7.9%. When we asked ChatGPT and Google AI Overviews about data catalogues, OpenMetadata appeared in four of the five answers and Microsoft Purview in two. OpenMetadata was mentioned before Microsoft Purview in every answer.
Who do people search for more?
Microsoft Purview, about 3 searches for every 1 for OpenMetadata
Who does AI mention more?
OpenMetadata, mentioned in 4 of 5 answers, Microsoft Purview in 2
Who does AI recommend more?
OpenMetadata, named ahead of Microsoft Purview in every answer
Follow Microsoft Purview vs OpenMetadata 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
Top data catalogues in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, OpenMetadata was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Microsoft Purview was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. OpenMetadata was listed before Microsoft Purview in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Atlan1st
DataHub2nd- OpenMetadata3rd
Alation4th
Collibra5th- Microsoft Purview6th
- Amundsen–
Select Star–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Atlan5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- DataHub4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Collibra4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- OpenMetadata4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Alation4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Microsoft Purview2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Amundsen0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Select Star0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about data catalogues
5 answers
Asked ChatGPT
“Which data catalogue should I use?”
Asked ChatGPT
“What are the best data catalogues?”
Asked ChatGPT
“What's the best data catalogue for a data team?”
Searched Google, AI Overview
“data catalogue”
Searched Google, AI Overview
“data catalogue software”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Microsoft Purview or OpenMetadata more popular in search?
This chart shows how often people search Google for Microsoft Purview and OpenMetadata by name. Each line represents a brand's share of searches for all eight data catalogues we track, month by month, from English-language searches worldwide.
Share of searches by month for Microsoft Purview, OpenMetadata. The figures are in the table below the chart.
View monthly share of searches table
| Month | Amundsen | DataHub | Microsoft Purview | Atlan | Collibra | OpenMetadata | Alation | Select Star |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 36.9% | 16.6% | 16.6% | 9.1% | 9.1% | 6.1% | 4.1% | 1.5% |
| Nov 2025 | 43.4% | 13% | 15.9% | 8.7% | 7.1% | 5.8% | 3.9% | 2.1% |
| Dec 2025 | 47.7% | 11.7% | 14.3% | 7.8% | 7.8% | 5.2% | 3.5% | 1.9% |
| Jan 2026 | 38% | 14% | 17.1% | 9.4% | 9.4% | 6.2% | 4.2% | 1.9% |
| Feb 2026 | 38.2% | 17.2% | 17.2% | 7.7% | 7.7% | 6.3% | 4.2% | 1.5% |
| Mar 2026 | 30.8% | 16.9% | 20.6% | 9.2% | 9.2% | 7.6% | 4.1% | 1.5% |
| Apr 2026 | 35.7% | 16.1% | 19.6% | 8.8% | 7.2% | 7.2% | 3.9% | 1.4% |
| May 2026 | 29.1% | 19.5% | 19.5% | 10.7% | 8.7% | 7.1% | 3.9% | 1.4% |
| Jun 2026 | 28% | 18.7% | 22.9% | 8.4% | 8.4% | 8.4% | 3.7% | 1.4% |
| Jul 2026 | 34.2% | 18.7% | 18.7% | 8.4% | 8.4% | 6.8% | 3.7% | 1.1% |
| Aug 2026 | 33.2% | 18.2% | 18.2% | 9.9% | 8.1% | 6.6% | 4.4% | 1.3% |
| Sep 2026 | 26.4% | 21.6% | 21.6% | 9.7% | 7.9% | 7.9% | 3.5% | 1.3% |
How has the Microsoft Purview and OpenMetadata comparison changed over the last 12 months?
3 findings
- Microsoft Purview was ahead of OpenMetadata in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Microsoft Purview’s share of searches among data catalogues worldwide moved from 16.6% to 21.6%, and its estimated monthly branded searches moved from 49.5K to 60.5K.
- Across the 12 months ending September 2026, OpenMetadata’s share of searches among data catalogues worldwide moved from 6.1% to 7.9%, and its estimated monthly branded searches moved from 18.1K to 22.2K.
How did search popularity change for data catalogues worldwide in September 2026?
2 changes
In September 2026, Microsoft Purview gained share of searches among data catalogues worldwide, from 18.2% to 21.6%.
In September 2026, OpenMetadata gained share of searches among data catalogues worldwide, from 6.6% to 7.9%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Microsoft Purview’s and OpenMetadata’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.
Microsoft Purview
1 branded search term
- microsoft purview
OpenMetadata
1 branded search term
- openmetadata
Other head-to-heads among data catalogues
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.