Brandwave

LaunchDarkly vs PostHog:Which is more popular?

In September 2026, PostHog had more branded searches than LaunchDarkly among feature flag tools worldwide. PostHog had about 246,000 branded searches, while LaunchDarkly had 42,700. PostHog made up 42.4% of all feature flag tool searches we track, and LaunchDarkly accounted for 7.3%. When we asked ChatGPT and Google AI Overviews about feature flag tools, LaunchDarkly appeared in all five answers and PostHog in two. LaunchDarkly was mentioned before PostHog in every answer.

Among feature flag tools worldwide in September 2026

Who do people search for more?

PostHog, about 6 searches for every 1 for LaunchDarkly

PostHog 246K searchesLaunchDarkly 42.7K searches

Who does AI mention more?

LaunchDarkly, mentioned in every answer we collected

LaunchDarkly in 5 of 5PostHog in 2 of 5

Who does AI recommend more?

LaunchDarkly, named ahead of PostHog in every answer

LaunchDarkly first in 5PostHog never first

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Top feature flag tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, LaunchDarkly appeared in all five answers. PostHog was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. LaunchDarkly was listed before PostHog in every answer.

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 LaunchDarkly or PostHog more popular in search?

This chart shows how often people search Google for LaunchDarkly and PostHog 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.

LaunchDarkly and PostHog among feature flag tools worldwide, by month

Share of searches by month for PostHog, LaunchDarkly. 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 LaunchDarkly and PostHog comparison changed over the last 12 months?

3 findings
  • PostHog was ahead of LaunchDarkly in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, LaunchDarkly’s share of searches among feature flag tools worldwide moved from 11% to 7.3%, and its estimated monthly branded searches moved from 50.8K to 42.7K.
  • Across the 12 months ending September 2026, PostHog’s share of searches among feature flag tools worldwide moved from 23.9% to 42.4%, and its estimated monthly branded searches moved from 110K to 246K.

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

2 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%.

How are branded searches counted?

7 search terms

Brandwave collects information about searches that people make online using LaunchDarkly’s and PostHog’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.

LaunchDarkly

6 branded search terms

  • feature flags launchdarkly
  • launchdarkly
  • launchdarkly app
  • launchdarkly com
  • launchdarkly feature flags
  • launchdarkly software

PostHog

1 branded search term

  • posthog

How the Brand Demand Index is measured

Other head-to-heads among feature flag tools

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