GrowthBook vs Optimizely: Feature Flags Comparison (2026)
GrowthBook offers a clear pricing structure starting at $40/seat/month and includes a free tier. Optimizely does not provide public pricing information or details about a free tier. GrowthBook emphasizes unlimited feature flags and experiments, a visual editor, safe rollouts, customizable dashboards, advanced permissioning, dedicated support, and a managed warehouse option. Optimizely highlights intuitive authoring, modern visual editing, various testing types (A/B, multi-page, feature, server-side), out-of-the-box agents, campaign planning, content creation, and collaboration. GrowthBook provides integrations with Slack, REST API, Webhooks, and over 24 SDKs, while Optimizely does not list its integrations. GrowthBook lists pros such as flexible pricing, unlimited free plan users, advanced analytics, and community support. It notes cons like custom enterprise pricing, limited free plan users, complexity for larger teams, and self-hosting setup requirements. Optimizely does not list explicit pros or cons.
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 experiments
- ✓Visual editor
- ✓Safe rollouts
- ✓Customizable dashboards
- ✓Advanced permissioning
- ✓Dedicated support
- ✓Managed warehouse option
- ✓Intuitive authoring and modern visual editing
- ✓A/B, multi-page, feature and server-side testing
- ✓Out-of-the-box agents ready to deploy day one
- ✓Plan campaigns, create content, and seamlessly collaborate
When to choose GrowthBook
GrowthBook is suitable for users looking for a feature-rich platform with clear, seat-based pricing, a free tier, and a wide range of integrations and analytics capabilities. It is also a good fit for those who value community support and flexible pricing models.
When to choose Optimizely
Optimizely is suitable for users who prioritize intuitive authoring, modern visual editing, and a comprehensive suite of testing capabilities, including A/B, multi-page, feature, and server-side testing, along with campaign planning and collaboration features.