GrowthBook vs Split:Which is more popular?
In September 2026, GrowthBook had more branded searches than Split among experimentation platforms worldwide. GrowthBook had about 14,900 branded searches, while Split had 2,930. GrowthBook made up 3.8% of all experimentation platform searches we track, and Split accounted for 0.74%. When we asked ChatGPT and Google AI Overviews about experimentation platforms, GrowthBook appeared in four of the five answers and Split in one. GrowthBook was mentioned before Split in every answer.
Who do people search for more?
GrowthBook, about 5 searches for every 1 for Split
Who does AI mention more?
GrowthBook, mentioned in 4 of 5 answers, Split in 1
Who does AI recommend more?
GrowthBook, named ahead of Split in every answer
Follow GrowthBook vs Split and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top experimentation platforms 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. Split was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. GrowthBook was listed before Split in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
GrowthBook1st
Statsig2nd
Eppo3rd
Optimizely4th
VWO5th
LaunchDarkly6th
Split7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Statsig5 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
Optimizely3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
LaunchDarkly3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
VWO3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Eppo2 of 5Named in 2 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
See every answer about experimentation platforms
5 answers
Asked ChatGPT
“Which experimentation platform should I use?”
Asked ChatGPT
“What are the best experimentation platforms?”
Asked ChatGPT
“What's the best experimentation platform for product teams?”
Searched Google, AI Overview
“experimentation platform”
Searched Google, AI Overview
“ab 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 Split more popular in search?
This chart shows how often people search Google for GrowthBook and Split by name. Each line represents a brand's share of searches for all seven experimentation platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for GrowthBook, Split. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optimizely | Eppo | LaunchDarkly | VWO | Statsig | GrowthBook | Split |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 57.2% | 9.4% | 11.5% | 11.8% | 6.3% | 2.8% | 0.87% |
| Nov 2025 | 62.3% | 10.3% | 8.4% | 10.6% | 4.6% | 3.1% | 0.83% |
| Dec 2025 | 62.4% | 10.3% | 8.4% | 10.5% | 4.6% | 3.1% | 0.71% |
| Jan 2026 | 61.3% | 8.2% | 8.2% | 15.3% | 3.7% | 2.5% | 0.69% |
| Feb 2026 | 58.3% | 9.6% | 9.6% | 14.6% | 4.3% | 2.9% | 0.66% |
| Mar 2026 | 57.8% | 9.5% | 9.5% | 14.5% | 4.3% | 3.5% | 0.85% |
| Apr 2026 | 57.2% | 11.5% | 9.4% | 11.8% | 5.2% | 4.2% | 0.67% |
| May 2026 | 58.7% | 11.8% | 7.9% | 12% | 5.3% | 3.6% | 0.67% |
| Jun 2026 | 59.5% | 9.8% | 9.8% | 12.2% | 4.4% | 3.6% | 0.66% |
| Jul 2026 | 60.9% | 10% | 10% | 10.3% | 4.5% | 3.7% | 0.58% |
| Aug 2026 | 64.2% | 10.6% | 8.6% | 8.9% | 3.9% | 3.2% | 0.64% |
| Sep 2026 | 62% | 10.2% | 10.2% | 8.6% | 4.6% | 3.8% | 0.74% |
How has the GrowthBook and Split comparison changed over the last 12 months?
3 findings
- GrowthBook was ahead of Split in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, GrowthBook’s share of searches among experimentation platforms worldwide moved from 2.8% to 3.8%, and its estimated monthly branded searches moved from 12.2K to 14.9K.
- Across the 12 months ending September 2026, Split’s share of searches among experimentation platforms worldwide moved from 0.87% to 0.74%, and its estimated monthly branded searches moved from 3.8K to 2.9K.
How did search popularity change for experimentation platforms worldwide in September 2026?
2 changes

In September 2026, GrowthBook gained share of searches among experimentation platforms worldwide, from 3.2% to 3.8%.

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 branded searches counted?
8 search terms
Brandwave collects information about searches that people make online using GrowthBook’s and Split’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
Split
5 branded search terms
- split experimentation
- split feature
- split feature flag
- split flag
- split io
Other head-to-heads among experimentation platforms

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.