Brandwave

Optimizely vs Statsig:Which is more popular?

In September 2026, Optimizely had more branded searches than Statsig among feature flag tools worldwide. Optimizely had about 246,000 branded searches, while Statsig had 18,300. Optimizely made up 42.4% of all feature flag tool searches we track, and Statsig accounted for 3.2%. When we asked ChatGPT and Google AI Overviews about feature flag tools, Statsig appeared in three of the five answers and Optimizely in none.

Among feature flag tools worldwide in September 2026

Who do people search for more?

Optimizely, about 13 searches for every 1 for Statsig

Optimizely 246K searchesStatsig 18.3K searches

Who does AI mention more?

Statsig, mentioned in 3 of 5 answers, Optimizely in 0

Statsig in 3 of 5Optimizely in 0 of 5

Who does AI recommend more?

Statsig, the only one of the two named

Statsig first in 3Optimizely never named

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Top feature flag tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Statsig was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Optimizely did not appear in any of the five answers.

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.

Is Optimizely or Statsig more popular in search?

This chart shows how often people search Google for Optimizely and Statsig by name. Each line represents a brand's share of searches for all nine feature flag tools we track, month by month, from English-language searches worldwide.

Optimizely and Statsig among feature flag tools worldwide, by month

Share of searches by month for Optimizely, Statsig. 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%

How has the Optimizely and Statsig comparison changed over the last 12 months?

3 findings
  • Optimizely was ahead of Statsig in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Optimizely’s share of searches among feature flag tools worldwide moved from 53.4% to 42.4%, and its estimated monthly branded searches held steady at 246K.
  • Across the 12 months ending September 2026, Statsig’s share of searches among feature flag tools worldwide moved from 5.9% to 3.2%, and its estimated monthly branded searches moved from 27.4K to 18.3K.

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

2 changes

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

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

How are branded searches counted?

4 search terms

Brandwave collects information about searches that people make online using Optimizely’s and Statsig’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.

Optimizely

1 branded search term

  • optimizely

Statsig

3 branded search terms

  • statsig
  • statsig com
  • statsig feature flags

How the Brand Demand Index is measured

Other head-to-heads among feature flag tools

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