Better Auth pricing context

The Better Auth framework is free and open source (MIT license). Optional cloud infrastructure: Starter (free) includes user management, 1 dashboard seat, 1-day audit log retention, and 10k audit log events/month. Pro ($20/month) adds unlimited seats, 20k audit logs/month with 7-day retention, security detection (10k events/month), transactional email and SMS, and email templates with abuse protection. Additional audit log events billed at $0.0001/event and additional security detection at $0.001/event on Pro. Enterprise pricing is custom and adds self-service SSO, log drain to SIEM, custom domain, dashboard RBAC, advanced support, and custom volume limits.