Build Real-Time Client-Side TTS in Angular Using Firebase AI Logic and Gemini

In my previous article on Dev.to, I showed how to build expressive text-to-speech using Gemini and Firebase Cloud Functions. While that setup worked beautifully, it required building and deploying custom backend endpoints. Firebase AI Logic enables running Gemini TTS client-side with production security, eliminating custom backend code and automating deployment via Git integration.

1. Technical Stack

Project technical stack:

Angular 22: The latest version as of August 2026.

Node.js LTS: The LTS version as of May 2026.

Build Real-Time Client-Side TTS in Angular Using Firebase AI Logic and Gemini

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