Brandwave

How popular isGrowthBook?

In September 2026, people searched for GrowthBook by name about 14,900 times worldwide, a 22.3% increase from the previous year. These searches made up 2.6% of all global feature flag tool searches, placing GrowthBook fifth out of nine tools. When we asked both ChatGPT and Google AI Overviews about feature flag tools, GrowthBook appeared in four of the five answers and was the fifth most recommended of the nine.

Search and AI answers in September 2026

GrowthBook is the fifth most searched of 9 competitors and the fifth most recommended in AI answers.

  1. OptimizelyShare of searches 42.4%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  2. PostHogShare of searches 42.4%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
  3. LaunchDarklyShare of searches 7.3%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  4. StatsigShare of searches 3.2%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
  5. GrowthBookShare of searches 2.6%Mentioned in 4 of 5 AI answersPlace in AI recommendations 5th

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Top feature flag tools in ChatGPT and Google AI Overviews

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

Most recommended by AI

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

  1. LaunchDarkly1st
  2. Unleash2nd
  3. Flagsmith3rd
  4. Statsig4th
  5. GrowthBook5th
  6. PostHog6th
  7. Split6th
  8. ConfigCat8th
  9. Optimizely–

Mentioned by AI

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

  • LaunchDarkly5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Flagsmith5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Unleash5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • GrowthBook4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Statsig3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • PostHog2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • ConfigCat1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Split1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Optimizely0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about feature flag 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 feature flag tools compete with GrowthBook?

GrowthBook against feature flag tools worldwide, by month

Share of searches by month for Optimizely, PostHog, LaunchDarkly, Statsig, GrowthBook. The figures are in the table below the chart.

View monthly share of searches table
MonthOptimizelyPostHogLaunchDarklyStatsigGrowthBookFlagsmithConfigCatSplitUnleash
Oct 202553.4%23.9%11%5.9%2.6%0.97%0.79%0.82%0.5%
Nov 202556.6%25.3%7.9%4.2%2.8%1%0.84%0.75%0.51%
Dec 202556.8%25.4%7.9%4.2%2.8%1%0.68%0.64%0.5%
Jan 202657.7%25.9%8%3.5%2.3%0.86%0.7%0.65%0.42%
Feb 202658.2%21.4%10.1%4.3%2.9%1.1%0.86%0.66%0.52%
Mar 202649%32.8%8.5%3.7%3%1.1%0.73%0.72%0.55%
Apr 202654.3%24.3%9.4%5%4%0.99%0.8%0.64%0.48%
May 202652.6%28.9%7.8%4.8%3.2%0.96%0.63%0.6%0.47%
Jun 202645.6%37.3%8.3%3.4%2.8%1%0.68%0.51%0.41%
Jul 202645.7%37.3%8.4%3.4%2.8%0.85%0.68%0.44%0.41%
Aug 202647.1%38.5%6.8%2.9%2.3%0.86%0.7%0.47%0.41%
Sep 202642.4%42.4%7.3%3.2%2.6%0.78%0.62%0.5%0.32%
  1. 1.Optimizely

    42.4%

    Held 1st. 246K estimated branded searches, 0% vs prior month. Share -4.7 points.

  2. 2.PostHog

    42.4%

    Held 2nd. 246K estimated branded searches, +22.4% vs prior month. Share +3.9 points.

  3. Held 3rd. 42.7K estimated branded searches, +21% vs prior month. Share +0.6 points.

  4. 4.Statsig

    3.2%

    Held 4th. 18.3K estimated branded searches, +22% vs prior month. Share +0.3 points.

  5. Held 5th. 14.9K estimated branded searches, +21.8% vs prior month. Share +0.2 points.

  6. 6.Flagsmith

    0.78%

    Held 6th. 4.5K estimated branded searches, 0% vs prior month. Share -0.1 points.

  7. 7.ConfigCat

    0.62%

    Held 7th. 3.6K estimated branded searches, -0.27% vs prior month. Share -0.1 points.

  8. 8.Split

    0.5%

    Held 8th. 2.9K estimated branded searches, +19.6% vs prior month. Share 0 points.

  9. 9.Unleash

    0.32%

    Held 9th. 1.9K estimated branded searches, -13% vs prior month. Share -0.1 points.

Compare popularity between GrowthBook and its closest rivals

Every comparison with GrowthBook

12 comparisons

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

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for GrowthBook worldwide rose from 12.2K to 14.9K.
  • Across the 12 months ending September 2026, GrowthBook’s share of searches among feature flag tools worldwide peaked at 4% in April 2026 and was lowest at 2.3% in January 2026.

How did search popularity change for feature flag tools worldwide in September 2026?

6 changes
  1. In September 2026, PostHog gained share of searches among feature flag tools worldwide, from 38.5% to 42.4%.

  2. In September 2026, LaunchDarkly gained share of searches among feature flag tools worldwide, from 6.8% to 7.3%.

  3. In September 2026, Optimizely lost share of searches among feature flag tools worldwide, from 47.1% to 42.4%.

  4. Estimated monthly branded searches for GrowthBook worldwide rose 22.3% over 12 measured months, from 12.2K to 14.9K in September 2026.

  5. Estimated monthly branded searches for Statsig worldwide fell 33.1% over 12 measured months, from 27.4K to 18.3K in September 2026.

  6. Estimated monthly branded searches for Split worldwide fell 22.1% over 12 measured months, from 3.8K to 2.9K in September 2026.

How are GrowthBook’s branded searches counted?

3 search terms

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

  • growth book
  • growthbook
  • growthbook feature flags

Do you work for GrowthBook? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does GrowthBook compete?

GrowthBook is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
A/B testing platforms6th of 82.5%Show ranking
Feature flag tools5th of 92.6%Shown above
Experimentation platforms6th of 73.8%Show ranking
Creator with pink hair and a pink jacket

Is GrowthBook 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.