GTM AI Index
Index Marketing Experimentation › Mida vs GrowthBook
Experimentation and personalization · September 2026 Edition

Mida vs GrowthBook

Zero of twelve models named Mida first on the direct prompt; zero named GrowthBook. Mida was named by eight of the twelve models and GrowthBook by ten and Mida carries 11 labels and GrowthBook 26, so the shares are not directly comparable.

Mida

accepted challenger

Named in one category this edition.

GrowthBook

accepted challenger

Named in one category this edition.

First-choice share11%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%4%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#8A position in a field of 14; printed, not drawn.
Labels1126A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Mida reading right to left. Rank and label count are printed, not drawn.VWO was named alongside these two in eleven of the twelve direct answers. VWO vs Mida · VWO vs GrowthBook · Mida vs Convert

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 twelve models made each the first choice, per way of asking, and how many argued against it.
MidaFirst choices, of twelve modelsGrowthBook
Direct00
Paraphrase00
Comparative01
Budget-constrained611 against GrowthBook
Scale-constrained00
Negative00
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Across every category in the September 2026 Edition, Mida and GrowthBook were named in the same answer twenty-two times, of the 31 answers naming Mida and the 71 naming GrowthBook. In those answers GrowthBook took the first choice two times and Mida eight.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Mida and GrowthBook stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
Mida GrowthBook first choice named as an alternative argued againstblank: not namedEach cell is one answer, Mida on the left and GrowthBook on the right.

The direct prompt

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

Neither was the first choice, one was named

1 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Mutiny alternatives: AB Tasty, Abmatic AI, Mida, VWO

Neither was named

11 of 12 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniOptimizely CMS alternatives: Kameleoon, VWO
Gemini 3.5 FlashVWO alternatives: Abmatic AI, Markettailor, Userled, Webflow Optimize
Perplexity SonarVWO alternatives: Convert, Mutiny
Grok 4.1 FastVWO alternatives: Convert Experiences, Kameleoon, Personyze
Mistral SmallPersonyze alternatives: Abmatic AI, VWO
DeepSeek V4 FlashVWO alternatives: Convert Experiences, Kameleoon, Mutiny
Llama 4 MaverickPersonizely, Personyze, VWO
Qwen 3.7 FlashKameleoon, VWO alternatives: Mutiny, Personizely
Kimi K2VWO alternatives: Intellimize, Mutiny
GLM 4.7 FlashXConvert Experiences alternatives: Kameleoon, VWO
MiniMax M2.5Personizely, Personyze alternatives: Convert

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
Mida leads by eight points.
Mida10%#2 of 15
GrowthBook2%#7 of 15
The full small business standing →
Mid-marketThe figures above
Mida leads by nine points.
Mida11%#2 of 14
GrowthBook2%#8 of 14
The full mid-market standing →
Enterprise
The order flips: GrowthBook leads at enterprise.
GrowthBook8%#4 of 11
Mida0%#– of 11
The full enterprise standing →

What the models said about Mida

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“Top Pick for Free: Mida is the most generous free option with a true visual editor” Kimi K2 · budget prompt · first choice
“Start with Mida if you need a no-code solution with generous free tier” Mistral Small · budget prompt · first choice
“Top Pick: Mida.so (Free Forever Tier Up to 100k Monthly Tested Users)” Grok 4.1 Fast · budget 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. Four of five in this category shown.

“But require devs (no visual editors), best if you have engineering resources.” Grok 4.1 Fast · budget prompt · soft negative
“the best overall choice is usually GrowthBook if you can self-host it, because it is open-source and "completely free"” Perplexity Sonar · budget prompt · first choice
“Open source + data ownership + cost control → GrowthBook” DeepSeek V4 Flash · comparative prompt · first choice
“Engineering-heavy, cost-conscious | $0 (self-hosted) + hosting | Open source, full control” Kimi K2 · scale prompt · alternative
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.