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Index › IT › Developer platform › Feature flags › ConfigCat vs GrowthBook
Feature flags · November 2026 Edition

ConfigCat vs GrowthBook

One of fourteen models named ConfigCat first on the direct prompt; three named GrowthBook. Both were named by all fourteen models and ConfigCat carries 39 labels and GrowthBook 47, so the shares are not directly comparable.

ConfigCat

accepted challenger

Named in one category this edition.

GrowthBook

accepted challenger

Named in one category this edition.

First-choice share16%14%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate3%4%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 8; printed, not drawn.
Labels3947A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ConfigCat reading right to left. Rank and label count are printed, not drawn.Flagsmith was named alongside these two in twelve of the fourteen direct answers. LaunchDarkly vs ConfigCat · LaunchDarkly vs GrowthBook · Flagsmith vs ConfigCat

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; every quote names the model and the prompt it came from. Both figures come from the feature flags page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ConfigCatFirst choices, of fourteen modelsGrowthBook
Direct13
Paraphrase11
Comparative00
Budget-constrained63
Scale-constrained00
Negative111 against ConfigCat · 2 against GrowthBook
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, ConfigCat and GrowthBook were named in the same answer eighty-four times, of the 138 answers naming ConfigCat and the 127 naming GrowthBook. In those answers GrowthBook took the first choice six times and ConfigCat twenty-eight.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where ConfigCat and GrowthBook stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
ConfigCat GrowthBook first choice named as an alternative argued againstblank: not namedEach cell is one answer, ConfigCat on the left and GrowthBook on the right.

The direct prompt

The plain question, one answer per model, grouped by where ConfigCat and GrowthBook stood in it.

Both were the first choice

1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.
Qwen 3.7 FlashConfigCat, GrowthBook alternatives: Flagsmith, Unleash

GrowthBook first, ConfigCat not the choice

2 of 14 modelsConfigCat was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashGrowthBook alternatives: Flagsmith, LaunchDarkly, Unleash
GLM 4.7 FlashXFlagsmith, GrowthBook alternatives: Split, Unleash

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniLaunchDarkly alternatives: Flagsmith, GrowthBook, Unleash
Perplexity SonarLaunchDarkly alternatives: ConfigCat, GrowthBook, Harness FME, Statsig, Unleash
Grok 4.20LaunchDarkly alternatives: Flagsmith, GrowthBook, Harness FME, Statsig, Unleash
Mistral SmallFlagsmith, Unleash alternatives: ConfigCat, Split
Kimi K2Flagsmith, Statsig alternatives: GrowthBook
MiniMax M2.5Flagsmith, LaunchDarkly alternatives: GrowthBook, Split, Unleash

Neither was named

5 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Flagsmith alternatives: Reflag, Statsig
Gemini 3.5 FlashStatsig alternatives: Flagsmith, PostHog Feature Flags, Schematic, Unleash
Llama 4 Maverickno first choice
GPT-6 LunaStatsig alternatives: Flagsmith, LaunchDarkly
Muse Glimmer 30BReflag alternatives: Flagsmith, Statsig, WorkOS Feature Flags

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
ConfigCat leads by thirty-eight points.
ConfigCat41%#1 of 8
GrowthBook4%#5 of 8
The full small business standing →
Mid-marketThe figures above
ConfigCat leads by two points.
ConfigCat16%#3 of 8
GrowthBook14%#4 of 8
The full mid-market standing →
Enterprise
ConfigCat leads by ten points.
ConfigCat14%#3 of 10
GrowthBook4%#5 of 10
The full enterprise standing →

What the models said about ConfigCat

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.

“ConfigCat, for example, is positioned for straightforward toggles and is not a full experimentation platform” Perplexity Sonar · negative prompt · soft negative
“My Recommendation: Start with ConfigCat. It requires no credit card, has no usage surprises, and is the easiest to adopt for a small team.” GLM 4.7 FlashX · budget prompt · first choice
“ConfigCat (Best for pure feature flagging & simple pricing) ... Their paid plans are also among the cheapest in the industry” Gemini 3.5 Flash · budget prompt · first choice
“ConfigCat – best budget SaaS on-ramp... ConfigCat's forever free hosted plan is usually the lowest-friction start.” Muse Glimmer 30B · budget prompt · first choice

What the models said about GrowthBook

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“Any self-hosted option—including Unleash, Flagsmith, or GrowthBook: be cautious” GPT-6 Luna · negative prompt · soft negative
“GrowthBook — full SaaS without viable self-hosting option” DeepSeek V4 Flash · negative prompt · soft negative
“For most mid-market B2B companies, GrowthBook or Flagsmith provide the best balance of features, pricing, and ease of use.” GLM 4.7 FlashX · direct prompt · first choice
“GrowthBook stands out as the best overall value and capability match for mid-market B2B companies.” DeepSeek V4 Flash · direct prompt · first choice
“My default pick: GrowthBook for a small company that wants to keep costs near zero.” GPT-6 Luna · budget prompt · first choice
Also compared
LaunchDarkly vs ConfigCatLaunchDarkly vs GrowthBookFlagsmith vs ConfigCatFlagsmith vs GrowthBookConfigCat vs UnleashConfigCat vs StatsigConfigCat vs PostHog Feature FlagsConfigCat vs SplitGrowthBook vs UnleashGrowthBook vs StatsigGrowthBook vs PostHog Feature FlagsGrowthBook vs SplitAll twenty-eight head-to-head pages and the full feature flags standing

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.