# Optimizely CMS alternatives: what AI models name instead, September 2026

GTM AI Recommendation Index, September 2026 Edition. 160 of the 216 answers in the 1 category where Optimizely CMS holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://gtm-ai-index.com/vendors/optimizely-cms/alternatives/

## Named instead, most often (every category and segment added)

- VWO: 40
- Mida: 14
- Convert: 10
- Convert Experiences: 10
- GrowthBook: 9
- PostHog: 7

## Experimentation and personalization

**Small business**: 68 of 72 answers did not name Optimizely CMS (Optimizely CMS is #9 of 15 at 2%).

- VWO: first choice in 23 of those 68
- Mida: first choice in 8 of those 68
- PostHog: first choice in 7 of those 68
- GrowthBook: first choice in 5 of those 68
- Mutiny: first choice in 5 of those 68
- Convert: first choice in 4 of those 68
- Convert Experiences: first choice in 4 of those 68
- Statsig: first choice in 3 of those 68

**Mid-market**: 60 of 72 answers did not name Optimizely CMS (Optimizely CMS is #5 of 14 at 8%).

- VWO: first choice in 15 of those 60
- Mida: first choice in 6 of those 60
- Convert: first choice in 4 of those 60
- Convert Experiences: first choice in 4 of those 60
- Kameleoon: first choice in 3 of those 60
- Personizely: first choice in 3 of those 60
- Personyze: first choice in 3 of those 60
- Statsig: first choice in 2 of those 60

**Enterprise**: 32 of 72 answers did not name Optimizely CMS (Optimizely CMS is #1 of 11 at 45%).

- GrowthBook: first choice in 4 of those 32
- Convert: first choice in 2 of those 32
- Convert Experiences: first choice in 2 of those 32
- Kameleoon: first choice in 2 of those 32
- VWO: first choice in 2 of those 32
- Bloomreach: first choice in 1 of those 32
- Dynamic Yield: first choice in 1 of those 32
- Insider: first choice in 1 of those 32

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.