# Experimentation and personalization: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "website experimentation and personalization platform" and as "A/B testing and personalization tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/gtm/marketing/experimentation-and-personalization/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/marketing/experimentation-and-personalization/index.md

**Standing:** VWO leads with 27% of first choices; verdict contested. 55 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) | 27% | 11% | 56 |
| 2 | [Convert Experiences](https://www.gane.ai/index/gtm/vendors/convert-experiences/index.md) | 24% | 0% | 33 |
| 3 | [GrowthBook](https://www.gane.ai/index/gtm/vendors/growthbook/index.md) | 15% | 8% | 25 |
| 4 | [Mutiny](https://www.gane.ai/index/gtm/vendors/mutiny/index.md) | 7% | 22% | 18 |
| 5 | [Optimizely CMS](https://www.gane.ai/index/gtm/vendors/optimizely-cms/index.md) | 7% | 47% | 55 |
| 6 | [Kameleoon](https://www.gane.ai/index/gtm/vendors/kameleoon/index.md) | 4% | 0% | 31 |
| 7 | [PostHog](https://www.gane.ai/index/gtm/vendors/posthog/index.md) | 4% | 5% | 19 |
| 14 | [AB Tasty](https://www.gane.ai/index/gtm/vendors/ab-tasty/index.md) | 0% | 13% | 30 |
| 15 | [Statsig](https://www.gane.ai/index/gtm/vendors/statsig/index.md) | 0% | 0% | 14 |
| 26 | [Dynamic Yield](https://www.gane.ai/index/gtm/vendors/dynamic-yield/index.md) | 0% | 38% | 24 |
| 70 | [Adobe Target](https://www.gane.ai/index/gtm/vendors/adobe-target/index.md) | 0% | 58% | 36 |
| 71 | [Google Optimize](https://www.gane.ai/index/gtm/vendors/google-optimize/index.md) | 0% | 92% | 12 |

Rank is by share of first choices among all 71 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: VWO; alternatives Mutiny
- GPT-5.4 mini: Kameleoon; alternatives Optimizely Web Experimentation, VWO Testing
- Gemini 3.5 Flash: VWO; alternatives Abmatic AI, Croct, Ploy, PostHog
- Perplexity Sonar: VWO; alternatives Personyze
- Grok 4.20: VWO; alternatives AB Tasty, Convert Experiences, Mutiny
- Mistral Small: Optimizely Web Experimentation, Personyze; alternatives Kameleoon
- DeepSeek V4 Flash: Convert Experiences, Mutiny; alternatives Abmatic AI, VWO
- Llama 4 Maverick: Optimizely Web Experimentation; alternatives HubSpot Content Hub, Kameleoon, Personyze
- Qwen 3.7 Flash: VWO; alternatives AB Tasty, Convert Experiences, Mutiny
- Kimi K2: VWO; alternatives Intellimize, Mutiny, PostHog
- GLM 4.7 FlashX: Mutiny; alternatives Abmatic AI, VWO
- MiniMax M2.5: Markettailor, VWO; alternatives AB Tasty, Mutiny
- GPT-6 Luna: VWO; alternatives Optimizely CMS
- Muse Glimmer 30B: Mutiny, VWO; alternatives HubSpot Content Hub, Kameleoon, Personyze

## Sources the answers cite

78 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- mida.so: 37 answers, 45 citations
- contentsquare.com: 33 answers, 44 citations
- convert.com: 31 answers, 50 citations
- optimizely.com: 26 answers, 38 citations
- guideflow.com: 25 answers, 33 citations
- kameleoon.com: 25 answers, 30 citations
- webflow.com: 25 answers, 25 citations
- personyze.com: 23 answers, 24 citations

Pages named in the most answers:

- https://mida.so/blog/website-personalization-tools (25 answers)
- https://webflow.com/blog/a-b-testing-tools (25 answers)
- https://kameleoon.com/blog/best-ab-testing-tools (21 answers)
- https://contentsquare.com/guides/product-experimentation/tools (18 answers)
- https://growthmethod.com/best-ab-testing-tools (17 answers)
- https://contentsquare.com/guides/ab-testing/tools (16 answers)
- https://guideflow.com/blog/best-personalization-software (16 answers)
- https://mida.so/blog/best-ab-testing-tools (15 answers)
- https://optimizely.com/field-notes/guides/experimentation-buyers-guide (15 answers)
- https://personyze.com/best-website-personalization-tools (15 answers)

## Warned against

- Optimizely CMS: 26 of 55 labels negative. "more enterprise-y, pricier ~$36K/yr min, dev-heavy). Avoid if mid-market budget/timeline constrained." (Grok 4.20, direct prompt)
- Adobe Target: 21 of 36 labels negative. "Force you into a closed ecosystem (Adobe Target unless you're already all-in on Adobe)" (DeepSeek V4 Flash, negative prompt)
- Google Optimize: 11 of 12 labels negative. "Google Optimize (the former standard for small-to-mid-size businesses) was sunsetted in late 2023, forcing many users to migrate to other solutions." (Qwen 3.7 Flash, comparative prompt)
- Dynamic Yield: 9 of 24 labels negative. "Charge enterprise prices without transparency (Dynamic Yield, Adobe Target)" (DeepSeek V4 Flash, negative prompt)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: VWO at 26%.

- GrowthBook: 2% to 13%, +11. Cleared the floor by 0 points · rank 9 → 3 of 68.
- Mida: 11% to 2%, −9. Inside the floor by 2 points · rank 3 → 10 of 68.
- VWO: 34% to 26%, −8. Inside the floor by 3 points · rank 1 of 68, unchanged.
- Convert Experiences: 15% to 23%, +8. Inside the floor by 3 points · rank 2 of 68, unchanged.
- Mutiny: 2% to 6%, +4. Inside the floor by 7 points · rank 11 → 5 of 68.
- PostHog: 0% to 4%, +4. Inside the floor by 7 points · rank 16 → 7 of 68.
- Statsig: 4% to 0%, −4. Inside the floor by 7 points · rank 8 → 15 of 68.
- AB Tasty: 2% to 0%, −2. Inside the floor by 9 points · rank 10 → 14 of 68.
- Optimizely CMS: 8% to 9%, +1. Inside the floor by 10 points · rank 4 of 68, unchanged.
- Kameleoon: 4% to 4%, ±0. Inside the floor by 11 points · rank 7 → 6 of 68.
- LaunchDarkly: 0% to 0%, ±0. Inside the floor by 11 points · rank 19 → 16 of 68.
- Dynamic Yield: 0% to 0%, ±0. Inside the floor by 11 points · rank 17 → 55 of 68.

## Record

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