Has your AWS bill gone down in the last decade? Despite "efficiency" and chip improvements?

Why would you expect text-generator-as-a-service to be any different?

When using Hetzner, DigitalOcean or any other VPS service together with Cloudflare, I can handle millions of page views for 5-50$ a month at pricing that has stayed nominally the same for a long time and due to inflation and performance gains of the underlying chips has basically become cheaper.