ConfigCat vs PostHog: Feature Flags Comparison (2026)

ConfigCat is a feature flag platform with a free tier that includes unlimited feature flags, environments, and API access, along with team management features. PostHog offers feature flags as part of a broader analytics platform, with usage-based pricing and a free tier that emphasizes community support.

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
ConfigCatLeads
1 / 1 probes
100%
Excellent
PostHog
0 / 1 probes
0%
Invisible
Perplexity
ConfigCat
1 / 1 probes
100%
Excellent
PostHog
1 / 1 probes
100%
Excellent
Gemini
ConfigCat
1 / 1 probes
100%
Excellent
PostHog
1 / 1 probes
100%
Excellent
Claude
ConfigCatLeads
1 / 1 probes
100%
Excellent
PostHog
0 / 1 probes
0%
Invisible
Copilot
ConfigCatLeads
1 / 1 probes
100%
Excellent
PostHog
0 / 1 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

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

Key Features

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
PostHog
  • ✓Generous free tier
  • ✓Usage-based pricing
  • ✓Unlimited team members
  • ✓Community support

When to choose ConfigCat

ConfigCat is suitable for users who need unlimited feature flags, environments, and API access, along with team management and a guaranteed uptime of 99.9%. Its free tier supports 5 million config JSON downloads per month.

When to choose PostHog

PostHog is suitable for users who prioritize a usage-based pricing model and seek a platform with robust analytics features. Its free tier offers unlimited team members and community support.

Frequently Asked Questions

What are the key differences in free tier offerings?
ConfigCat's free tier includes unlimited feature flags, unlimited environments, unlimited API access, and 5 million config JSON downloads per month. PostHog's free tier is described as generous and includes unlimited team members and community support.
Which vendor offers more integrations?
ConfigCat offers integrations with Amplitude, GitHub, Slack, Jira, Zapier, CircleCI, and Google Analytics. PostHog integrates with Google SSO, Github SSO, Gitlab SSO, and Slack.
What are the key differences in team management features?
ConfigCat provides team management with unlimited members, 2FA, and SSO support. PostHog offers unlimited team members.
How do the pricing models differ?
ConfigCat starts at $0/month with a free tier and offers flexible plans. PostHog has a usage-based pricing model starting at $0.00005/event.

AI visibility profiles

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ConfigCat

configcat.com

PostHog

posthog.com

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