# GrowthBook: how AI models rank it, September 2026

GTM AI Recommendation Index, September 2026 Edition. Named in 26 judge labels across 1 categories by 10 of 12 models. Page: https://gtm-ai-index.com/vendors/growthbook/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Experimentation and personalization | 2% | 10 | 4% | 26 |

## What the models said for it

- "the best overall choice is usually GrowthBook if you can self-host it, because it is open-source and "completely free"" (Perplexity Sonar, Experimentation)
- "Open source + data ownership + cost control → GrowthBook" (DeepSeek V4 Flash, Experimentation)
- "Engineering-heavy, cost-conscious | $0 (self-hosted) + hosting | Open source, full control" (Kimi K2, Experimentation)
- "Try GrowthBook if you have technical resources and want open-source flexibility" (Mistral Small, Experimentation)

## And against it

- "But require devs (no visual editors), best if you have engineering resources." (Grok 4.1 Fast, Experimentation)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, September 2026 Edition, gtm-ai-index.com.