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Experimentation and personalization · November 2026 Edition

VWO vs GrowthBook

Seven of fourteen models named VWO first on the direct prompt; zero named GrowthBook. VWO was named by fourteen of the fourteen models and GrowthBook by ten and VWO carries 65 labels and GrowthBook 24, so the shares are not directly comparable.

VWO

endorsed leader

Named in two categories this edition.

GrowthBook

accepted challenger

Named in two categories this edition.

First-choice share31%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#3A position in a field of 14; printed, not drawn.
Labels6524A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, VWO reading right to left. Rank and label count are printed, not drawn.VWO vs Convert Experiences · VWO vs Personyze · VWO vs Optimizely CMS

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

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
VWOFirst choices, of fourteen modelsGrowthBook
Direct70
Paraphrase80
Comparative40
Budget-constrained153 against VWO
Scale-constrained30
Negative026 against VWO
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, VWO and GrowthBook were named in the same answer fifty-seven times, of the 167 answers naming VWO and the 92 naming GrowthBook. In those answers GrowthBook took the first choice fifteen times and VWO seventeen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where VWO and GrowthBook stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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

The plain question, one answer per model, grouped by where VWO and GrowthBook stood in it.

VWO first, GrowthBook not the choice

7 of 14 modelsGrowthBook was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5VWO alternatives: Mutiny, Personyze
Gemini 3.5 FlashVWO alternatives: AB Tasty, HubSpot Marketing Hub, Kameleoon
DeepSeek V4 FlashConvert Experiences, VWO alternatives: Mutiny, Personyze
Qwen 3.7 FlashVWO alternatives: Convert Experiences, Mutiny
Kimi K2VWO alternatives: Mutiny, Personyze
GPT-6 LunaVWO alternatives: AB Tasty
Muse Glimmer 30BVWO alternatives: Convert Experiences, Mutiny, Optimizely CMS, Personyze

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniOptimizely CMS alternatives: Adobe Target, Dynamic Yield, VWO
Perplexity SonarHubSpot Content Hub alternatives: Abmatic AI, Croct, Mutiny, VWO, Webflow Optimize
Grok 4.20Croct alternatives: AB Tasty, Kameleoon, VWO
Mistral SmallHubSpot Content Hub alternatives: Optimizely CMS, Personyze, VWO
GLM 4.7 FlashXPersonyze alternatives: HubSpot Content Hub, Optimizely CMS, Right Message, VWO
MiniMax M2.5Personyze alternatives: Convert Experiences, VWO

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
Llama 4 MaverickHubSpot Content Hub

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

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
VWO leads by twenty-one points.
VWO28%#1 of 16
GrowthBook7%#5 of 16
The full small business standing →
Mid-marketThe figures above
VWO leads by twenty-three points.
VWO31%#1 of 14
GrowthBook8%#3 of 14
The full mid-market standing →
Enterprise
The order flips: GrowthBook leads at enterprise.
GrowthBook9%#4 of 13
VWO2%#7 of 13
The full enterprise standing →

What 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.

“Avoid VWO if page speed and user trust are critical, or if you have limited technical support.” GLM 4.7 FlashX · negative prompt · hard negative
“the reliability and support issues make it risky for serious experimentation” DeepSeek V4 Flash · negative prompt · hard negative
“its current pricing page directs buyers to request a demo rather than showing a price, so it may be harder to budget for upfront” GPT-6 Luna · budget prompt · soft negative
“platforms like VWO or Optimizely are commonly considered in this middle market, depending on whether you prioritize faster time-to-value (VWO)” Claude Haiku 4.5 · scale prompt · first choice
“The Best All-Rounder: VWO (Visual Website Optimizer) ... widely considered the best balance of power and usability for mid-sized companies” Qwen 3.7 Flash · paraphrase prompt · first choice
“Tight budget, marketer-led, low traffic, needs CRM bucketing: Convert Experiences or VWO Experience Optimization.” Muse Glimmer 30B · paraphrase 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. Three of four in this category shown.

“Best Overall for Product & Technical Teams (Generous Free Tiers) ... GrowthBook (Best Open-Source Option)” Gemini 3.5 Flash · budget prompt · first choice
“Open-source options (like GrowthBook) - no vendor lock-in, full auditability” Kimi K2 · negative prompt · first choice
“GrowthBook if you want to stay completely in your warehouse and self-host.” Muse Glimmer 30B · budget prompt · first choice
Also compared

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.