Air with 16gb out of these two but if possible I would go for M1 Mac pro 16gb/512gb from Amazon or refurbished from Apple Store (they are almost brand new).

That 8GB will work but pushing it day and day out will hurt in future and you won’t need the fan from Pro based on your usage. I’ve had my m1 air base for 3 years and it worked great and got me through grad school as well but now with just 5 tabs on Firefox it starts feeling laggy and uses swap right away. Now I got a Mac mini with 24gb for extensive dev work!

You’ll be happy with either but make the right choice so you don’t have to buy a new one in a few years. Hope this helped!