Brandwave

How popular isSlack?

In September 2026, people searched for Slack by name about 4.1 million times worldwide, about the same as the previous year. These searches made up 32.5% of all global business messaging platform searches, placing Slack second out of 11 platforms. When we asked both ChatGPT and Google AI Overviews about business messaging platforms, Slack appeared in three of the five answers and was the most recommended of the 11.

Search and AI answers in September 2026

Slack is the second most searched of 11 competitors and the most recommended in AI answers.

  1. Microsoft TeamsShare of searches 32.5%Mentioned in 3 of 5 AI answersPlace in AI recommendations 2nd
  2. SlackShare of searches 32.5%Mentioned in 3 of 5 AI answersPlace in AI recommendations 1st
  3. Google ChatShare of searches 26.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
  4. TwilioShare of searches 4.4%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
  5. ZendeskShare of searches 2.4%Mentioned in 2 of 5 AI answersPlace in AI recommendations 7th

+6 more

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Top business messaging platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Slack was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Slack is the most recommended of the 11.

Most recommended by AI

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

  1. Slack1st
  2. Microsoft Teams2nd
  3. Google Chat3rd
  4. Intercom4th
  5. Textmagic5th
  6. Twilio6th
  7. Zendesk7th
  8. Vonage–
  9. Infobip–
  10. Sinch–
  11. +1 more

Mentioned by AI

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

  • Microsoft Teams3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Slack3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Google Chat3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Twilio2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Zendesk2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Textmagic2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Intercom2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Vonage0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Infobip0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Sinch0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+1 more

See every answer about business messaging platforms

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 business messaging platforms compete with Slack?

Slack against business messaging platforms worldwide, by month

Share of searches by month for Microsoft Teams, Slack, Google Chat, Twilio, Zendesk. The figures are in the table below the chart.

View monthly share of searches table
MonthMicrosoft TeamsSlackGoogle ChatTwilioZendeskVonageInfobipSinchTextmagicMessageBirdIntercom
Oct 202531.9%31.9%26.1%5.3%2.9%0.72%0.47%0.32%0.21%0.17%0%
Nov 202536.4%29.8%24.4%4.9%2.7%0.67%0.44%0.36%0.22%0.2%<0.01%
Dec 202528%34.2%28%4.6%3.1%0.77%0.41%0.42%0.26%0.23%<0.01%
Jan 202631.6%31.6%25.9%5.2%3.5%0.87%0.47%0.38%0.21%0.21%<0.01%
Feb 202631.9%31.9%26.1%5.2%2.9%0.71%0.47%0.39%0.22%0.21%<0.01%
Mar 202632%32%26.2%5.3%2.9%0.72%0.39%0.32%0.18%0.17%<0.01%
Apr 202630%30%30%6%2.2%0.67%0.44%0.36%0.2%0.16%<0.01%
May 202625.8%31.6%31.6%6.3%2.8%0.71%0.47%0.38%0.17%0.17%<0.01%
Jun 202627.4%33.5%27.4%6.7%3%0.75%0.49%0.41%0.19%0.15%<0.01%
Jul 202627.5%33.7%27.5%6.8%2.5%0.75%0.5%0.41%0.19%0.15%0%
Aug 202627.5%33.7%27.5%6.8%2.5%0.76%0.5%0.41%0.19%0.12%<0.01%
Sep 202632.5%32.5%26.6%4.4%2.4%0.6%0.48%0.39%0.15%0.08%<0.01%

  1. 1.Microsoft Teams

    32.5%

    Moved from 3rd to 1st. 4.1M estimated branded searches, +49.3% vs prior month. Share +4.9 points.

  2. 2.Slack

    32.5%

    Moved from 1st to 2nd. 4.1M estimated branded searches, +22.1% vs prior month. Share -1.2 points.

  3. 3.Google Chat

    26.6%

    Moved from 2nd to 3rd. 3.4M estimated branded searches, +22.3% vs prior month. Share -1 points.

  4. 4.Twilio

    4.4%

    Held 4th. 551K estimated branded searches, -18.2% vs prior month. Share -2.4 points.

  5. 5.Zendesk

    2.4%

    Held 5th. 301K estimated branded searches, +22.3% vs prior month. Share -0.1 points.

  6. 6.Vonage

    0.6%

    Held 6th. 75.9K estimated branded searches, +0.8% vs prior month. Share -0.2 points.

  7. 7.Infobip

    0.48%

    Held 7th. 60.5K estimated branded searches, +22.2% vs prior month. Share 0 points.

  8. 8.Sinch

    0.39%

    Held 8th. 49.7K estimated branded searches, +22.1% vs prior month. Share 0 points.

  9. 9.Textmagic

    0.15%

    Held 9th. 18.7K estimated branded searches, -0.69% vs prior month. Share 0 points.

  10. 10.MessageBird

    0.08%

    Held 10th. 9.9K estimated branded searches, -18.2% vs prior month. Share 0 points.

  11. 11.Intercom

    <0.01%

    Held 11th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Slack and its closest rivals

Every comparison with Slack

39 comparisons

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

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Slack worldwide held steady at 4.1M.
  • Across the 12 months ending September 2026, Slack’s share of searches among business messaging platforms worldwide increased from 31.9% to 32.5%.
  • Across the 12 months ending September 2026, Slack’s share of searches among business messaging platforms worldwide peaked at 34.2% in December 2025 and was lowest at 29.8% in November 2025.

How did search popularity change for business messaging platforms worldwide in September 2026?

6 changes

  1. In September 2026, Microsoft Teams overtook Slack and Google Chat to become the leader among business messaging platforms worldwide, with 32.5% of the searches.

  2. In September 2026, Twilio lost share of searches among business messaging platforms worldwide, from 6.8% to 4.4%.

  3. In September 2026, Slack lost share of searches among business messaging platforms worldwide, from 33.7% to 32.5%.

  4. In September 2026, Google Chat lost share of searches among business messaging platforms worldwide, from 27.5% to 26.6%.

  5. Zendesk’s share of searches among business messaging platforms worldwide has lost ground for 3 months in a row, from 3% to 2.4% in September 2026.

  6. Estimated monthly branded searches for Sinch worldwide rose 22.1% over 12 measured months, from 40.7K to 49.7K in September 2026.

How are Slack’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using Slack’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.

  • slack

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How the Brand Demand Index is measured

Where does Slack compete?

Slack is ranked in five competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Team chat apps3rd of 109.7%Show ranking
Online community platforms2nd of 1011.8%Show ranking
Video collaboration platforms3rd of 915.6%Show ranking
Team collaboration platforms2nd of 1023.9%Show ranking
Business messaging platforms2nd of 1132.5%Shown above
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Is Slack your brand?

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