AI Tool Comparison

Convex vs Firebase

Side-by-side comparison of pricing, features, and use cases to help you decide which fits your AI stack.

Direct answer

Pick Convex

Choose Convex if you value real-time reactive database and server functions in typescript.

Pick Firebase

Choose Firebase if you value firestore and realtime database and authentication.

Side by side

Convex and Firebase compared by category, use, price, free tier and features
TopicConvexFirebase
CategoryConvexBackend PlatformFirebaseBackend Platform
Best forConvexReactive backend platform with a real-time database and TypeScript server functions.FirebaseGoogle app platform with databases, auth, hosting, and functions on pay-as-you-go pricing.
PricingConvex

Professional$25/month

Free option: Free (Starter).

Prices in USD, checked Aug 2026

Firebase

Blaze (pay as you go)Usage-based

Free option: Spark (free).

Prices in USD, checked Aug 2026

Free tierConvexYesFree (Starter)FirebaseYesSpark (free)
Key featuresConvex
  • Real-time reactive database
  • Server functions in TypeScript
  • Built-in auth and file storage
  • Scheduling and cron jobs
  • Components ecosystem including AI agents
Firebase
  • Firestore and Realtime Database
  • Authentication
  • Cloud Functions and Hosting
  • Storage and analytics
  • Pay-as-you-go Blaze pricing, no fixed monthly fee

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