# ConfigCat vs GrowthBook: which do AI models recommend for feature flags, October 2026

IT AI Recommendation Index, October 2026 Edition, Feature flags. Four of fourteen models named ConfigCat first on the direct prompt; zero named GrowthBook. Page: https://it-ai-index.com/developer/feature-flags/configcat-vs-growthbook/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| ConfigCat | 16% | #3 of 8 | 8% | 39 | 12 of 14 |
| GrowthBook | 9% | #6 of 8 | 0% | 43 | 13 of 14 |

## The direct prompt, model by model

- DeepSeek V4 Flash: configcat first (first choices: ConfigCat) (alternatives: Flagsmith, LaunchDarkly)
- Kimi K2: configcat first (first choices: ConfigCat) (alternatives: Flagsmith, Split)
- GLM 4.7 FlashX: configcat first (first choices: ConfigCat) (alternatives: Flagsmith, Statsig)
- Muse Glimmer 30B: configcat first (first choices: ConfigCat, Unleash) (alternatives: Split, Statsig)
- Claude Haiku 4.5: neither first, one named (first choices: Flagsmith) (alternatives: ConfigCat, LaunchDarkly, Statsig)
- Gemini 3.5 Flash: neither first, one named (first choices: Flagsmith) (alternatives: ConfigCat, GrowthBook, PostHog Feature Flags)
- Perplexity Sonar: neither first, one named (first choices: LaunchDarkly) (alternatives: ConfigCat, Flagsmith, GrowthBook, PostHog Feature Flags)
- Grok 4.1 Fast: neither first, one named (first choices: Statsig) (alternatives: Flagsmith, GrowthBook)
- Mistral Small: neither first, one named (first choices: Flagsmith) (alternatives: Flagship.io, GrowthBook)
- Qwen 3.7 Flash: neither first, one named (first choices: Flagsmith, Unleash) (alternatives: GrowthBook, LaunchDarkly)
- MiniMax M2.5: neither first, one named (first choices: LaunchDarkly, Statsig) (alternatives: ConfigCat, GrowthBook, Unleash)
- GPT-5.4 mini: neither named (first choices: LaunchDarkly, Statsig) (alternatives: Unleash)
- Llama 4 Maverick: neither named (first choices: Flagsmith) (alternatives: Guideflow, LaunchDarkly, Unleash)
- GPT-6 Luna: neither named (first choices: LaunchDarkly) (alternatives: Statsig, Unleash)

## What the models said about ConfigCat

- "It is noted as not a broad experimentation platform. Teams wanting measurement not only toggles tend to look elsewhere." (Muse Glimmer 30B, negative prompt, soft negative)
- "ConfigCat's hosted model may still be a risk for some regulated industries that require on-premises deployment" (GPT-5.4 mini, negative prompt, soft negative)
- "ConfigCat has no built-in analytics" (Claude Haiku 4.5, negative prompt, soft negative)
- "I'd usually recommend ConfigCat if your main goal is reliable feature flags with lower complexity and predictable cost" (GPT-5.4 mini, paraphrase prompt, first choice)
- "ConfigCat ⭐ Best for Mid-Market ... Start with ConfigCat if you want simple feature flags with predictable costs" (Kimi K2, direct prompt, first choice)
- "If I had to choose one for a budget-conscious company that still wants a polished product, I'd choose ConfigCat." (GPT-5.4 mini, budget prompt, first choice)

## What the models said about GrowthBook

- "could be Flagsmith or GrowthBook, as they offer self-hosted alternatives with a typical budget of $0–$6000/month" (Llama 4 Maverick, budget prompt, first choice)
- "For a mid-sized B2B company, GrowthBook is the strongest all-around recommendation." (DeepSeek V4 Flash, paraphrase prompt, first choice)
- "If you want a free, open-source option, GrowthBook is a great choice." (Mistral Small, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.