Eppo and Flagsmith compared

Eppo and Flagsmith both offer feature flagging and experimentation capabilities to help teams ship software faster.

While Eppo focuses on providing an end-to-end experimentation platform with advanced A/B testing and AI-powered personalization, Flagsmith emphasizes its open-source nature and flexible deployment options, including on-premises installations for enhanced privacy and security.

What is Eppo?

Eppo is a next-generation experimentation platform that makes advanced A/B testing accessible to everyone in an organization. The company's mission is to help businesses accelerate experiment velocity without compromising rigor, enabling them to make better decisions with confidence and achieve self-serve experimentation.

Eppo's core offerings include:

• Experimentation: Leverage a warehouse-native architecture to power a world-class statistical engine, automating experiment analysis while maintaining rigor

• Feature Flagging: Provide fast and resilient feature flags for A/B tests, feature gates, controlled rollouts, kill switches, and dynamic no-code configuration

• Personalization: Unlock new possibilities using Contextual Bandits, automatically optimizing user experiences in real-time or getting more value from AI models

• AI Model Evaluation: Build more effective AI products by evaluating AI models through experiments with trusted business metrics

Eppo's platform is geared toward modern data teams, integrating with existing analytics infrastructure and engineering workflows. It provides support for every stage of the experiment lifecycle, from planning and setup to monitoring, reporting, and deep-dive analysis.

What is Flagsmith?

Flagsmith is an open-source feature flag and remote configuration service that enables development teams to ship software faster and control releases with greater confidence. The platform provides a comprehensive solution for managing feature flags across multiple platforms, including web, mobile, and server-side applications.

Flagsmith's core offerings include:

• Feature toggles: Easily create, implement, and manage feature toggles to roll out new features to specific user segments

• A/B testing: Conduct experiments to analyze the impact of different feature variations on user behavior and engagement

• Staged rollouts: Perform gradual feature releases to mitigate risk and ensure a smooth user experience

• Remote configuration: Customize feature values without changing code or pushing updates, using granular segmentation rules

Flagsmith's platform is designed to cater to the needs of development teams working on web, mobile, and server-side applications. It offers a user-friendly interface and flexible deployment options, including a fully-managed SaaS offering, private cloud deployments, and on-premises installations.

Pricing comparison

Eppo's pricing model is not publicly disclosed, requiring potential customers to contact their team for a customized quote based on specific needs and usage.

Flagsmith offers a tiered pricing structure with Free, Start-Up, Scale-Up, and Enterprise plans, catering to various team sizes and feature requirements. The Free plan allows up to 50,000 monthly requests, while paid plans start at $45 per month for the Start-Up plan with 1,000,000 monthly requests.

Considerations and limitations: Eppo

Eppo is a next-generation experimentation platform designed for modern data teams seeking advanced capabilities. Its end-to-end solution makes A/B testing accessible to everyone in an organization, enabling businesses to accelerate experiment velocity without compromising rigor. Eppo's warehouse-native architecture powers features like experimentation, feature flagging, personalization, and AI model evaluation, ensuring complete metric governance and key-metric impact measurement.

However, Eppo may not be the best fit for teams with simpler experimentation needs or those not yet ready to fully embrace a data-driven culture. The platform's advanced features and integrations with tools like Snowflake, Google BigQuery, and Amazon Redshift may introduce unnecessary complexity for organizations that don't require such capabilities. Additionally, the lack of transparent pricing on Eppo's website suggests that costs may vary based on specific needs, which could be a limitation for teams with strict budgetary constraints.

• TL;DR: Eppo is better suited for modern data teams seeking advanced experimentation capabilities, but may not be the best fit for teams with simpler needs or limited budgets.

Considerations and limitations: Flagsmith

Flagsmith is a feature flagging and remote configuration platform that enables development teams to decouple deployment from release, ship new features with confidence, and experiment seamlessly. It's well-suited for teams looking to implement feature flags across web, mobile, and server-side applications, with the ability to toggle features for different environments, users, or segments without deploying new code.

However, Flagsmith may have fewer advanced experimentation features compared to Eppo. While it offers A/B and multivariate testing capabilities, it may not provide the same level of granularity or flexibility in designing and analyzing experiments as Eppo does. Additionally, Flagsmith's focus on feature flagging and remote configuration may not align with the needs of teams primarily interested in rigorous experimentation and data-driven decision making.

• TL;DR: Flagsmith is better suited for development teams seeking feature flagging and remote configuration, but may not offer the same level of advanced experimentation capabilities as Eppo.

An alternative: Statsig

Statsig is an all-in-one platform that offers feature flags, experimentation, and product analytics. Trusted by companies like OpenAI, Notion, and Atlassian, Statsig scales with businesses of all sizes — from startups to enterprises. Sign up for a free account to get started with unlimited feature flags and 2M events per month, or contact us for a demo to learn more about our enterprise offerings.