VWO vs GrowthBook
Nine of fourteen models named VWO first on the direct prompt; zero named GrowthBook. VWO was named by thirteen of the fourteen models and GrowthBook by twelve and VWO carries 56 labels and GrowthBook 25, so the shares are not directly comparable.
Named in two categories this edition.
Named in two categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the experimentation and personalization page.
By framing
VWOFirst choices, of fourteen modelsGrowthBook
Across every category in the October 2026 Edition, VWO and GrowthBook were named in the same answer fifty-five times, of the 167 answers naming VWO and the 72 naming GrowthBook. In those answers GrowthBook took the first choice fifteen times and VWO eleven.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | |||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | | | | |
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | | |
| GPT-6 Luna | | | | | ||
| Muse Glimmer 30B | | | |
VWO GrowthBook first choice named as an alternative argued againstblank: not namedEach cell is one answer, VWO on the left and GrowthBook on the right.The direct prompt
VWO first, GrowthBook not the choice
9 of 14 modelsGrowthBook was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
VWO36%#1 of 14GrowthBook13%#3 of 14What the models said about VWO
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Any visual-editor-first platform—including products from vendors such as VWO, AB Tasty, or Optimizely—if your site is a complex single-page app” GPT-6 Luna · negative prompt · soft negative
“VWO has phased out its permanently free Starter plan, moving to a 30-day trial model with paid plans starting around $200 to $300+/month.” Gemini 3.5 Flash · budget prompt · soft negative
“Some users report pricing scalability issues - Occasional technical glitches - Learning curve for complex tests” GLM 4.7 FlashX · negative prompt · soft negative
“Great mid-market option. Very strong visual editor... Highly competitive pricing. (If Marketing: prioritize VWO/Kameleoon.” Gemini 3.5 Flash · scale prompt · first choice
“the most commonly recommended A/B testing and personalization tools are Convert Experiences and VWO” Mistral Small · paraphrase prompt · first choice
“Choose VWO if you want the best bang-for-your-buck and need analytics (heatmaps) along with your testing.” Qwen 3.7 Flash · direct prompt · first choice
What the models said about GrowthBook
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“requiring less technical overhead than developer-heavy solutions like GrowthBook” Qwen 3.7 Flash · paraphrase prompt · soft negative
“Open-source, requires more technical setup” Kimi K2 · scale prompt · soft negative
“GrowthBook and PostHog are free to start, and both are open-source so that you can self-host them, making them excellent choices if you want zero upfront costs.” Claude Haiku 4.5 · budget prompt · first choice
“The Alternative: If your program is engineering-led, opt for server-side testing or warehouse-native platforms (such as GrowthBook, Eppo, or PostHog)” Gemini 3.5 Flash · negative prompt · first choice
“GrowthBook is open-source A/B testing and feature-flagging platform, and it is the pick when budget is your tightest constraint.” Muse Glimmer 30B · budget prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.