# Optimizely CMS: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 83 judge labels across 6 categories by 14 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/optimizely-cms

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Experimentation and personalization](https://www.gane.ai/index/gtm/marketing/experimentation-and-personalization/index.md) | 5% | 8 | 46% | 61 |
| [Content marketing platforms](https://www.gane.ai/index/gtm/marketing/content-marketing-platforms/index.md) | 0% | 25 | 20% | 10 |
| [Content management systems for marketing sites](https://www.gane.ai/index/gtm/marketing/marketing-cms/index.md) | 0% | 20 | 29% | 7 |
| [Marketing resource management](https://www.gane.ai/index/gtm/marketing/marketing-resource-management/index.md) | 0% | 44 | 0% | 3 |
| [Customer intelligence and data science](https://www.gane.ai/index/gtm/gtm-data/customer-intelligence-and-data-science/index.md) | 0% | 114 | 0% | 1 |
| [Ecommerce marketing](https://www.gane.ai/index/gtm/marketing/ecommerce-marketing/index.md) | 0% | 55 | 0% | 1 |

## What the models said for it

- "Optimizely is among the most common "default shortlists" for companies seeking rigorous testing, large-scale collaboration, and a mature measurement stack." (Claude Haiku 4.5, Experimentation)
- "Optimizely is described as an industry-leading experimentation platform that enables businesses to test and optimize digital experiences" (Muse Glimmer 30B, Experimentation)
- "Choose Optimizely if you want a large enterprise suite with strong experimentation + personalization + analytics integration." (GPT-5.4 mini, Experimentation)
- "Website conversion tests, visual editor, and marketer workflow: start with Optimizely, VWO, or AB Tasty." (GPT-6 Luna, Experimentation)

## And against it

- "you should exercise significant caution with Optimizely, particularly regarding its cost structure, support quality, and technical performance" (Qwen 3.7 Flash, Experimentation)
- "Avoid beginning with Optimizely, Adobe Target, Kameleoon, or AB Tasty unless the company has enterprise-level requirements and budget" (Perplexity Sonar, Experimentation)
- "Avoid for Mid-Sized B2B (unless budget is large): Optimizely — median spend is ~$81K/year" (DeepSeek V4 Flash, Experimentation)
- "Platforms to Avoid ... ~$36,000+/year, complex implementation, overkill for mid-market" (Kimi K2, Experimentation)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 2 | 0 | 3 | 1 | 6 |
| GPT-5.4 mini | 2 | 2 | 0 | 1 | 5 |
| Gemini 3.5 Flash | 1 | 0 | 2 | 5 | 8 |
| Perplexity Sonar | 1 | 1 | 0 | 3 | 5 |
| Grok 4.20 | 0 | 2 | 2 | 4 | 8 |
| Mistral Small | 0 | 1 | 3 | 2 | 6 |
| DeepSeek V4 Flash | 0 | 2 | 3 | 2 | 7 |
| Llama 4 Maverick | 0 | 1 | 3 | 0 | 4 |
| Qwen 3.7 Flash | 0 | 4 | 0 | 6 | 10 |
| Kimi K2 | 1 | 1 | 0 | 4 | 6 |
| GLM 4.7 FlashX | 1 | 2 | 1 | 1 | 5 |
| MiniMax M2.5 | 2 | 1 | 1 | 2 | 6 |
| GPT-6 Luna | 1 | 0 | 1 | 0 | 2 |
| Muse Glimmer 30B | 1 | 2 | 1 | 1 | 5 |

## Sources returned with these answers

The sites and pages cited by the answers that named Optimizely CMS, from 229 of the 259 answers that named it (only the models that return a source list).

### Domains cited

- convert.com: 81
- optimizely.com: 64 (its own site)
- personyze.com: 59
- g2.com: 54
- blog.croct.com: 53
- gane.ai/index: 44
- growthbook.io: 43
- webflow.com: 41
- guideflow.com: 34
- smarte.pro: 32

### Pages cited

- https://convert.com/blog/a-b-testing/top-ab-testing-tools: 42
- https://convert.com/blog/a-b-testing/ab-testing-tools-for-growth-teams: 34
- https://blog.croct.com/post/best-website-personalization-platforms: 32
- https://personyze.com/best-ab-testing-tools: 32
- https://speero.com/ab-testing-tools: 30
- https://webflow.com/blog/a-b-testing-tools: 30
- https://smarte.pro/blog/website-personalization-software: 28
- https://personyze.com/best-website-personalization-tools: 25

## The company

Optimizely; https://www.optimizely.com/; San Francisco, United States; founded 2010; about 350 employees. From Wikidata, fetched 2026-09-14.

## In its own words

What Optimizely CMS's own pages state, read 2026-09-28. Stated by the vendor, not checked by the index.

- Positioning: Publish faster and keep your entire site performing its best, automatically. (https://optimizely.com/)
- For: creators (https://optimizely.com/)
- Customers named: Nike, Zoom, Salesforce, Alaska Airlines, Visa, Admiral, Santander, The Royal Mint

## Record

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