I'm not sure I understand correctly: is it a new serverless offering competing with the likes of vercel and fly.io, but with a different technology and pricing

I'm not sure I understand correctly: is it a new serverless offering competing with the likes of vercel and fly.io, but with a different technology and pricing strategy? And the wasm container means that I can deploy my streamlit of FastAPI ETL apps without the Docker overhead or slowness of streamlit cloud?