Flagsmith vs Kong
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Flagsmith offers fewer features (49 vs 59) and fewer integrations (6 vs 8). Starting price: Flagsmith at $40/mo vs Kong at $12/mo. Flagsmith has 49 unique features while Kong has 59 unique features, with 0 features in common.
| Flagsmith | Kong | |
|---|---|---|
| Category | DevOps | DevOps |
| Total Features | 49 | 59 |
| AI-Powered Features | 0 | 4 |
| Starting Price | $40/mo | $12/mo |
| Pricing Tiers | 3 | 6 |
| Integrations | 6 | 8 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 80% | 90% |
Feature Comparison by Category
AI Connectivity (0 vs 3)
| Feature | Flagsmith | Kong |
|---|---|---|
| AI Gateway | ||
| AI Gateway Paid Plugins | ||
| MCP Gateway |
API Discovery (0 vs 2)
| Feature | Flagsmith | Kong |
|---|---|---|
| Developer Portal | ||
| Service Catalog |
API Governance (0 vs 5)
| Feature | Flagsmith | Kong |
|---|---|---|
| Consumer Groups | ||
| Federated API Management | ||
| Plugin Ordering | ||
| Request Validation | ||
| Workspaces |
API Testing (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| Insomnia |
Automation (1 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| Gateway Event Hooks | ||
| Scheduled Flags |
Configuration (2 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Custom Fields | ||
| Multiple Environments |
Core Functionality (2 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Feature Flags | ||
| Remote Configuration |
Core Gateway (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| API Gateway |
Data Processing (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| Data Transformation |
Deployment (4 vs 5)
| Feature | Flagsmith | Kong |
|---|---|---|
| Cloud Hosting | ||
| Dedicated Cloud Gateway | ||
| Hybrid Gateway | ||
| Kubernetes Ingress Controller | ||
| Multi-Cloud Deployment | ||
| On-Premises Deployment | ||
| Open Source | ||
| Private Cloud | ||
| Serverless Gateway |
DevOps (0 vs 3)
| Feature | Flagsmith | Kong |
|---|---|---|
| CI/CD Integration | ||
| Declarative Configuration | ||
| Git Sync |
Developer Tools (13 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| .NET SDK | ||
| Android/Kotlin SDK | ||
| Flutter SDK | ||
| Go SDK | ||
| Next.js SDK | ||
| Node.js SDK | ||
| PHP SDK | ||
| Python SDK | ||
| React SDK | ||
| Ruby SDK | ||
| Rust SDK | ||
| SDKs | ||
| iOS SDK |
Development Tools (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| API Design & Testing |
Event Streaming (0 vs 2)
| Feature | Flagsmith | Kong |
|---|---|---|
| Event Gateway | ||
| Kafka Integration |
Extensibility (0 vs 2)
| Feature | Flagsmith | Kong |
|---|---|---|
| Plugin Development Kit | ||
| Plugin System |
Governance (3 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Audit Logs | ||
| Change Control | ||
| Change Tracking |
Integration (3 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Analytics Integrations | ||
| REST API | ||
| Third-Party Integrations |
Management (0 vs 2)
| Feature | Flagsmith | Kong |
|---|---|---|
| Admin GUI | ||
| Kong Manager |
Monetization (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| Metering & Billing |
Monitoring & Analytics (0 vs 3)
| Feature | Flagsmith | Kong |
|---|---|---|
| API Analytics | ||
| Observability | ||
| OpenTelemetry Support |
Performance (2 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Edge API | ||
| Real-Time Flags |
Protocol Support (0 vs 2)
| Feature | Flagsmith | Kong |
|---|---|---|
| GraphQL Support | ||
| Multi-Protocol Support |
Release Management (2 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Canary Deployments | ||
| Staged Feature Rollouts |
Reliability (0 vs 1)
| Feature | Flagsmith | Kong |
|---|---|---|
| Data Plane Resilience |
Scalability (1 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Unlimited Identities |
Security (6 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| ADFS Support | ||
| LDAP Support | ||
| Okta Integration | ||
| Role-Based Access Control | ||
| SAML Authentication | ||
| Two-Factor Authentication |
Security & Compliance (0 vs 16)
| Feature | Flagsmith | Kong |
|---|---|---|
| ACME Certificate Management | ||
| API Security Shift Left | ||
| Advanced Authentication | ||
| Advanced Authorization (OPA) | ||
| Audit Logging | ||
| Basic Authentication | ||
| Bot Detection & CORS Controls | ||
| Domain Capture and Control | ||
| End-to-End Encryption | ||
| FIPS 140-2 Compliance | ||
| Native Vault Integration | ||
| Role-Based Access Control (RBAC) | ||
| SCIM Integration | ||
| SSO (SAML/OIDC) | ||
| Secret Management Integration |
Support (4 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Email Support | ||
| Enterprise SLA | ||
| On-Boarding and Training | ||
| Priority Support |
Targeting (2 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| Segmentation | ||
| User Segments |
Testing (3 vs 3)
| Feature | Flagsmith | Kong |
|---|---|---|
| A/B Testing | ||
| Gateway Mocking | ||
| Inso CLI | ||
| Mock Server Requests | ||
| Multivariate Testing | ||
| Production Testing |
Traffic Management (0 vs 4)
| Feature | Flagsmith | Kong |
|---|---|---|
| Advanced Rate Limiting | ||
| Caching | ||
| Rate Limiting | ||
| Routing Engine |
User Management (1 vs 0)
| Feature | Flagsmith | Kong |
|---|---|---|
| User Traits |
Unique Features
Only in Flagsmith (49)
Scheduled Flags
Custom Fields
Multiple Environments
Feature Flags
Remote Configuration
Cloud Hosting
On-Premises Deployment
Open Source
Private Cloud
.NET SDK
Android/Kotlin SDK
Flutter SDK
Go SDK
iOS SDK
Next.js SDK
Node.js SDK
PHP SDK
Python SDK
React SDK
Ruby SDK
+ 29 more unique features
Only in Kong (59)
AI Gateway
AI Gateway Paid Plugins
MCP Gateway
Developer Portal
Service Catalog
Consumer Groups
Federated API Management
Plugin Ordering
Request Validation
Workspaces
Insomnia
Gateway Event Hooks
API Gateway
Data Transformation
Dedicated Cloud Gateway
Hybrid Gateway
Kubernetes Ingress Controller
Multi-Cloud Deployment
Serverless Gateway
API Design & Testing
+ 39 more unique features
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