ConfigCat vs Flagsmith: Feature Flags Comparison (2026)
ConfigCat and Flagsmith both offer free tiers and unlimited feature flags, but differ in their specific features, integrations, and target users. ConfigCat provides a 99.9% uptime guarantee and focuses on team management and security features like 2FA and SSO, while Flagsmith emphasizes unlimited identities and segments, custom fields, and real-time flag updates. Flagsmith also offers more flexible deployment options.
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.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓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
- ✓Unlimited Feature Flags
- ✓Unlimited Projects
- ✓Unlimited Environments
- ✓Unlimited Identities and Segments
- ✓Custom Fields
- ✓Real-Time Flag Updates
- ✓Scheduled Flags
- ✓Priority Support
When to choose ConfigCat
ConfigCat is suitable for small teams needing a feature-rich free tier with strong team management and security features, and for those who require specific integrations like Amplitude, GitHub, or Jira.
When to choose Flagsmith
Flagsmith is suitable for solo developers and teams that need unlimited identities and segments, custom fields, real-time flag updates, and a wider range of deployment options. It is also beneficial for organizations that integrate with Okta, SAML, ADFS, or LDAP.
Frequently Asked Questions
AI visibility profiles
Is one of these your brand?
Get the full report by email: every feature flags buyer question we ask, which engines name you, and who gets named instead.
configcat.com
flagsmith.com