Brandwave

How popular isNotion?

In September 2026, people searched for Notion by name about 429,000 times worldwide, a 10.2% decrease from the previous year. These searches made up 11.3% of all global AI knowledge base tool searches, placing Notion second out of nine tools. When we asked both ChatGPT and Google AI Overviews about AI knowledge base tools, Notion appeared in four of the five answers and was the most recommended of the nine.

Search and AI answers in September 2026

Notion is the second most searched of 9 competitors and the most recommended in AI answers.

  1. ConfluenceShare of searches 84.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd
  2. NotionShare of searches 11.3%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  3. ProProfsShare of searches 1.9%Mentioned in 1 of 5 AI answersPlace in AI recommendations 7th
  4. SliteShare of searches 1.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 6th
  5. Document360Share of searches 0.45%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th

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Top AI knowledge base tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Notion was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Notion is the most recommended of the nine.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Notion1st
  2. Guru2nd
  3. Confluence3rd
  4. Glean4th
  5. Document3605th
  6. Slite6th
  7. ProProfs7th
  8. Helpjuice–
  9. Slab–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Confluence4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Notion4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Guru4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Slite3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Document3603 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Glean3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • ProProfs1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Helpjuice0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Slab0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI knowledge base tools

5 answers

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.

Which AI knowledge base tools compete with Notion?

Notion against AI knowledge base tools worldwide, by month

Share of searches by month for Confluence, Notion. The figures are in the table below the chart.

View monthly share of searches table
MonthConfluenceNotionProProfsSliteDocument360HelpjuiceGleanSlabGuru
Oct 202582.9%11.1%2.2%2.2%0.82%0.66%0.06%0.01%<0.01%
Nov 202581.3%10.9%3.3%2.7%0.98%0.8%0.07%0.01%<0.01%
Dec 202582.3%11.1%2.2%2.7%0.81%0.81%0.07%0.01%<0.01%
Jan 202681%13.3%2.2%2.2%0.65%0.65%0.05%0.01%<0.01%
Feb 202680.5%13.2%2.7%2.2%0.79%0.65%0.07%0.02%0.01%
Mar 202683.5%11.2%2.3%1.8%0.67%0.55%0.06%0.01%0.01%
Apr 202680.6%13.2%2.7%2.2%0.79%0.53%0.06%0.02%<0.01%
May 202680.9%13.2%2.7%2.2%0.53%0.43%0.06%0.01%0.01%
Jun 202685.1%9.4%1.9%2.8%0.45%0.37%0.04%<0.01%<0.01%
Jul 202679.9%13.1%2.1%3.9%0.52%0.34%0.05%0.01%0.01%
Aug 202680.5%13.2%2.2%3.2%0.53%0.35%0.05%0.01%<0.01%
Sep 202684.2%11.3%1.9%1.9%0.45%0.3%0.03%0.01%<0.01%

  1. 1.Confluence

    84.2%

    Held 1st. 823K estimated branded searches, +22.3% vs prior month. Share +3.7 points.

  2. 2.Notion

    11.3%

    Held 2nd. 110K estimated branded searches, 0% vs prior month. Share -1.9 points.

  3. 3.ProProfs

    1.9%

    Moved from 4th to 3rd. 18.1K estimated branded searches, 0% vs prior month. Share -0.3 points.

  4. 4.Slite

    1.9%

    Moved from 3rd to 4th. 18.1K estimated branded searches, -33.2% vs prior month. Share -1.4 points.

  5. 5.Document360

    0.45%

    Held 5th. 4.4K estimated branded searches, 0% vs prior month. Share -0.1 points.

  6. 6.Helpjuice

    0.3%

    Held 6th. 2.9K estimated branded searches, 0% vs prior month. Share -0.1 points.

  7. 7.Glean

    0.03%

    Held 7th. 320 estimated branded searches, -17.9% vs prior month. Share 0 points.

  8. 8.Slab

    0.01%

    Held 8th. 110 estimated branded searches, 0% vs prior month. Share 0 points.

  9. 9.Guru

    <0.01%

    Held 9th. 70 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Notion and its closest rivals

Every comparison with Notion

65 comparisons

How has branded search demand for Notion changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Notion worldwide fell from 477K to 429K.
  • Across the 12 months ending September 2026, Notion’s share of searches among AI knowledge base tools worldwide peaked at 13.3% in January 2026 and was lowest at 9.4% in June 2026.

How did search popularity change for AI knowledge base tools worldwide in September 2026?

6 changes

  1. In September 2026, Confluence gained share of searches among AI knowledge base tools worldwide, from 80.5% to 84.2%.

  2. In September 2026, Notion lost share of searches among AI knowledge base tools worldwide, from 13.2% to 11.3%.

  3. In September 2026, Slite lost share of searches among AI knowledge base tools worldwide, from 3.2% to 1.9%.

  4. In September 2026, ProProfs rose from 4th to 3rd among AI knowledge base tools worldwide.

  5. Estimated monthly branded searches for Helpjuice worldwide fell 56.1% over 12 measured months, from 6.6K to 2.9K in September 2026.

  6. Estimated monthly branded searches for Glean worldwide fell 45.8% over 12 measured months, from 590 to 320 in September 2026.

How are Notion’s branded searches counted?

8 search terms

Brandwave collects information about searches that people make online using Notion’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • knowledge base notion
  • notion ai
  • notion ai meeting notes
  • notion app
  • notion calendar
  • notion database
  • notion knowledge base
  • notion meeting notes

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How the Brand Demand Index is measured

Where does Notion compete?

Notion is ranked in 12 competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Calendar apps4th of 80.07%Show ranking
Team collaboration platforms8th of 100.64%Show ranking
Document collaboration platforms6th of 60.9%Show ranking
Project management software8th of 121.3%Show ranking
Team productivity platforms8th of 91.5%Show ranking
Note taking apps6th of 92.4%Show ranking
Internal knowledge management platforms3rd of 79.1%Show ranking
Task management apps5th of 84.6%Show ranking
AI knowledge base tools2nd of 911.3%Shown above
Meeting notes apps8th of 90.32%Show ranking
No-code database platforms6th of 80.59%Show ranking
Knowledge base software6th of 71.7%Show ranking
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Is Notion your brand?

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