# Experimentation and personalization for small business buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "website experimentation and personalization platform" and as "A/B testing and personalization tool", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://www.gane.ai/index/gtm/marketing/experimentation-and-personalization/2026-09/smb

This is the permanent record of the September 2026 Edition, published September 15, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/marketing/experimentation-and-personalization/smb/index.md

**Standing:** VWO leads with 38% of first choices; verdict contested. 52 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [VWO](https://www.gane.ai/index/gtm/vendors/vwo/index.md) | 38% | 15% | 52 |
| 2 | [Convert Experiences](https://www.gane.ai/index/gtm/vendors/convert-experiences/index.md) | 13% | 3% | 37 |
| 3 | [Mida](https://www.gane.ai/index/gtm/vendors/mida/index.md) | 10% | 0% | 19 |
| 4 | [Mutiny](https://www.gane.ai/index/gtm/vendors/mutiny/index.md) | 10% | 36% | 25 |
| 5 | [PostHog](https://www.gane.ai/index/gtm/vendors/posthog/index.md) | 8% | 0% | 22 |
| 8 | [GrowthBook](https://www.gane.ai/index/gtm/vendors/growthbook/index.md) | 2% | 5% | 22 |
| 9 | [Personyze](https://www.gane.ai/index/gtm/vendors/personyze/index.md) | 2% | 0% | 10 |
| 13 | [Optimizely CMS](https://www.gane.ai/index/gtm/vendors/optimizely-cms/index.md) | 2% | 75% | 40 |
| 14 | [Statsig](https://www.gane.ai/index/gtm/vendors/statsig/index.md) | 0% | 11% | 19 |
| 77 | [AB Tasty](https://www.gane.ai/index/gtm/vendors/ab-tasty/index.md) | 0% | 46% | 24 |
| 81 | [Kameleoon](https://www.gane.ai/index/gtm/vendors/kameleoon/index.md) | 0% | 55% | 11 |
| 84 | [Bloomreach](https://www.gane.ai/index/gtm/vendors/bloomreach/index.md) | 0% | 91% | 11 |

Rank is by share of first choices among all 86 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Claspo, Mutiny; alternatives OptiMonk
- GPT-5.4 mini: VWO; alternatives Optimizely CMS
- Gemini 3.5 Flash: VWO; alternatives Convert Experiences, HubSpot Content Hub, Webflow Optimize
- Perplexity Sonar: VWO; alternatives Mida, Mutiny
- Grok 4.20: Convert Experiences; alternatives Crazy Egg, VWO
- Mistral Small: VWO; alternatives Convert Experiences, PostHog, Statsig
- DeepSeek V4 Flash: VWO; alternatives Convert Experiences, Mida, Personyze, Recotap
- Llama 4 Maverick: Mutiny, Optimizely CMS, VWO
- Qwen 3.7 Flash: Convert Experiences, VWO; alternatives Mutiny, PostHog, Statsig, Zoho PageSense
- Kimi K2: Mida, Mutiny; alternatives GrowthBook
- GLM 4.7 FlashX: Personyze; alternatives Croct, Hyperise, Proof, RightMessage
- MiniMax M2.5: Convert Experiences, VWO; alternatives Optimizely CMS

## Sources the answers cite

20 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- convert.com: 13 answers, 18 citations
- vwo.com: 12 answers, 16 citations
- statsig.com: 7 answers, 16 citations
- optimizely.com: 7 answers, 9 citations
- growthbook.io: 6 answers, 10 citations
- growthmethod.com: 6 answers, 6 citations
- learn.g2.com: 6 answers, 6 citations
- mida.so: 5 answers, 10 citations

Pages named in the most answers:

- https://learn.g2.com/best-a-b-testing-tools (6 answers)
- https://convert.com/blog/a-b-testing/ab-testing-tools-for-growth-teams (5 answers)
- https://growthmethod.com/best-ab-testing-tools (5 answers)
- https://guideflow.com/blog/best-personalization-software (5 answers)
- https://statsig.com/comparison/best-experimentation-tools-marketers (5 answers)
- https://coursera.org/articles/ab-testing-tools (4 answers)
- https://webflow.com/blog/a-b-testing-tools (4 answers)
- https://amplitude.com/compare/best-product-experimentation-tools-for-startups (3 answers)
- https://amplitude.com/compare/top-ab-testing-platforms (3 answers)
- https://contentsquare.com/guides/product-experimentation/tools (3 answers)

## Warned against

- Optimizely CMS: 30 of 40 labels negative. "Optimizely — multiple sources flag high cost, implementation overhead, and enterprise-focused packaging as a poor fit for smaller teams." (Perplexity Sonar, negative prompt)
- Adobe Target: 23 of 25 labels negative. "Why to avoid them: Prohibitive Pricing... To get the most out of platforms like Adobe Target, you almost always require dedicated software engineers" (Gemini 3.5 Flash, negative prompt)
- Bloomreach: 10 of 11 labels negative. "High-End AI-Driven Personalization Engines (e.g., Dynamic Yield, Bloomreach)... Why to avoid them" (Gemini 3.5 Flash, negative prompt)
- Dynamic Yield: 14 of 20 labels negative. "High-End AI-Driven Personalization Engines (e.g., Dynamic Yield, Bloomreach)... Why to avoid them" (Gemini 3.5 Flash, negative prompt)

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/gtm.