GrowthBook vs LaunchDarkly:Which is more popular?
In September 2026, LaunchDarkly had more branded searches than GrowthBook among A/B testing platforms worldwide. LaunchDarkly had about 40,500 branded searches, while GrowthBook had 14,900. LaunchDarkly made up 6.7% of all A/B testing platform searches we track, and GrowthBook accounted for 2.5%. When we asked ChatGPT and Google AI Overviews about A/B testing platforms, GrowthBook appeared in three of the five answers and LaunchDarkly in two. GrowthBook was mentioned before LaunchDarkly in two out of three answers that named either.
Who do people search for more?
LaunchDarkly, about 3 searches for every 1 for GrowthBook
Who does AI mention more?
GrowthBook, mentioned in 3 of 5 answers, LaunchDarkly in 2
Who does AI recommend more?
GrowthBook, named ahead of LaunchDarkly in 2 of 3 answers
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Top A/B testing platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, GrowthBook was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. LaunchDarkly was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. GrowthBook was listed before LaunchDarkly in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
PostHog1st
Optimizely2nd
Statsig3rd
VWO4th
AB Tasty5th- GrowthBook6th
- LaunchDarkly7th
Convert Experiences8th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Optimizely4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- PostHog4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- VWO4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Statsig3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- GrowthBook3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- LaunchDarkly2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- AB Tasty2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Convert Experiences1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about A/B testing platforms
5 answers
Asked ChatGPT
“Which A/B testing platform should I use?”
Asked ChatGPT
“What are the best A/B testing platforms?”
Asked ChatGPT
“What's the best A/B testing platform for A marketing team?”
Searched Google, AI Overview
“a/b testing platform”
Searched Google, AI Overview
“website testing software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is GrowthBook or LaunchDarkly more popular in search?
This chart shows how often people search Google for GrowthBook and LaunchDarkly by name. Each line represents a brand's share of searches for all eight A/B testing platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for LaunchDarkly, GrowthBook. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optimizely | PostHog | LaunchDarkly | VWO | Statsig | GrowthBook | AB Tasty | Convert Experiences |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 48.6% | 21.7% | 9.8% | 10.1% | 5.4% | 2.4% | 2% | 0.09% |
| Nov 2025 | 52.4% | 23.4% | 7% | 8.9% | 3.9% | 2.6% | 1.7% | 0.09% |
| Dec 2025 | 52.6% | 23.5% | 7.1% | 8.9% | 3.9% | 2.6% | 1.4% | 0.08% |
| Jan 2026 | 50.8% | 22.8% | 6.8% | 12.7% | 3.1% | 2.1% | 1.7% | 0.08% |
| Feb 2026 | 51.5% | 18.9% | 8.5% | 12.9% | 3.8% | 2.6% | 1.7% | 0.11% |
| Mar 2026 | 44.3% | 29.7% | 7.3% | 11.1% | 3.3% | 2.7% | 1.5% | 0.12% |
| Apr 2026 | 49.6% | 22.2% | 8.2% | 10.2% | 4.5% | 3.7% | 1.6% | 0.09% |
| May 2026 | 48.4% | 26.5% | 6.5% | 9.9% | 4.4% | 2.9% | 1.3% | 0.07% |
| Jun 2026 | 42.4% | 34.7% | 7% | 8.7% | 3.1% | 2.6% | 1.4% | 0.07% |
| Jul 2026 | 43.2% | 35.3% | 7.1% | 7.3% | 3.2% | 2.6% | 1.2% | 0.07% |
| Aug 2026 | 44.9% | 36.7% | 6% | 6.2% | 2.7% | 2.2% | 1.2% | 0.06% |
| Sep 2026 | 40.6% | 40.6% | 6.7% | 5.6% | 3% | 2.5% | 1.1% | 0.06% |
How has the GrowthBook and LaunchDarkly comparison changed over the last 12 months?
3 findings
- LaunchDarkly was ahead of GrowthBook in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, GrowthBook’s share of searches among A/B testing platforms worldwide moved from 2.4% to 2.5%, and its estimated monthly branded searches moved from 12.2K to 14.9K.
- Across the 12 months ending September 2026, LaunchDarkly’s share of searches among A/B testing platforms worldwide moved from 9.8% to 6.7%, and its estimated monthly branded searches moved from 49.5K to 40.5K.
How did search popularity change for A/B testing platforms worldwide in September 2026?
2 changes
In September 2026, LaunchDarkly overtook VWO to rank 3rd among A/B testing platforms worldwide, with 6.7% of the searches.
Estimated monthly branded searches for GrowthBook worldwide rose 22.3% over 12 measured months, from 12.2K to 14.9K in September 2026.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using GrowthBook’s and LaunchDarkly’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.
GrowthBook
3 branded search terms
- growth book
- growthbook
- growthbook feature flags
LaunchDarkly
1 branded search term
- launchdarkly
Other head-to-heads among A/B testing platforms
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