ConfigCat vs PostHog Feature Flags
One of fourteen models named ConfigCat first on the direct prompt; zero named PostHog Feature Flags. ConfigCat was named by fourteen of the fourteen models and PostHog Feature Flags by thirteen and ConfigCat carries 39 labels and PostHog Feature Flags 35, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
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
ConfigCatFirst choices, of fourteen modelsPostHog Feature Flags
Across every category in the November 2026 Edition, ConfigCat and PostHog Feature Flags were named in the same answer eighty times, of the 138 answers naming ConfigCat and the 106 naming PostHog Feature Flags. In those answers PostHog Feature Flags took the first choice seven times and ConfigCat twenty-seven.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| 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 PostHog Feature Flags first choice named as an alternative argued againstblank: not namedEach cell is one answer, ConfigCat on the left and PostHog Feature Flags on the right.The direct prompt
ConfigCat first, PostHog Feature Flags not the choice
1 of 14 modelsPostHog Feature Flags was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
3 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
10 of 14 modelsThe answer made no first choice from these two in this category.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
ConfigCat41%#1 of 8PostHog Feature Flags16%#3 of 8ConfigCat16%#3 of 8PostHog Feature Flags4%#7 of 8ConfigCat14%#3 of 10PostHog Feature Flags0%#10 of 10What 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 PostHog Feature Flags
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“they're not purely flag-focused—overkill or bloat if that's all you need” Grok 4.20 · negative prompt · soft negative
“For most early-stage companies with a tight budget, PostHog offers the best bang for buck” Qwen 3.7 Flash · budget prompt · first choice
“Choose PostHog or ConfigCat on their managed free tiers.” Gemini 3.5 Flash · budget prompt · first choice
“Choose PostHog when feature flags should live alongside product analytics and session-level product insights.” Perplexity Sonar · comparative prompt · alternative
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.