PostHog vs ConfigCat: Feature Flags Comparison (2026)

An independent side-by-side comparison of PostHog and ConfigCat for feature flags buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask feature flags questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

ConfigCat leads overall — 100% cited vs PostHog 40% across 10 probes.
ChatGPT
PostHog
0 / 1 probes
0%
Invisible
ConfigCatLeads
1 / 1 probes
100%
Excellent
Perplexity
PostHog
1 / 1 probes
100%
Excellent
ConfigCat
1 / 1 probes
100%
Excellent
Gemini
PostHog
1 / 1 probes
100%
Excellent
ConfigCat
1 / 1 probes
100%
Excellent
Claude
PostHog
0 / 1 probes
0%
Invisible
ConfigCatLeads
1 / 1 probes
100%
Excellent
Copilot
PostHog
0 / 1 probes
0%
Invisible
ConfigCatLeads
1 / 1 probes
100%
Excellent
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

PostHog
Starting price
$0.00005/event
Free tier
Yes
posthog.com ↗
ConfigCat
Starting price
$0 / mo
Free tier
Yes
configcat.com ↗

Key Features

PostHog
  • ✓Generous free tier
  • ✓Usage-based pricing
  • ✓Unlimited team members
  • ✓Community support
ConfigCat
  • ✓Unlimited Feature Flags
  • ✓Unlimited Environments
  • ✓Unlimited API Access
  • ✓5 million config JSON downloads/month
  • ✓99.9% uptime
  • ✓No credit card required for free tier
  • ✓Team Management with unlimited members
  • ✓2FA and SSO support

When to choose PostHog

Choose PostHog if your team prioritizes its strengths over ConfigCat's. Full guidance populates as PostHog's feature data is indexed.

When to choose ConfigCat

Choose ConfigCat if your team prioritizes its strengths over PostHog's. Full guidance populates as ConfigCat's feature data is indexed.

AI visibility profiles

Is one of these your brand?

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PostHog

posthog.com

ConfigCat

configcat.com

Free check

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We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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