A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 14, 2026.
The most comprehensive User Management Platform.
The open-source Firebase alternative.
Clerk
Clerk
Clerk
Clerk
Supabase
Supabase
Supabase
Supabase
What each team shipped most recently.
Clerk's new Logs page tracks sign-ins, updates, billing, and other events with filtering and full detail views.
Clerk CLI is an open-source terminal tool for managing Clerk projects, settings, and resources via commands like init, config, and api.
Clerk API keys are now generally available with free monthly allocations for creations and verifications, followed by usage-based pricing.
Supabase now integrates directly with ChatGPT, allowing users to manage their database infrastructure through conversational commands.
Supabase Server enables stateless auth, RLS-scoped clients, and CORS on the server with reduced boilerplate.
Supabase Realtime streams live data changes, while Supabase ETL batches them for scheduled data movement.
Both Clerk and Supabase serve overlapping audiences (Clerk in auth, Supabase in database).