Can I run Swift-1.5-Flash-Next-Heretic-ReverseEngineer on an RTX 3090?
No
Even its smallest file (IQ3_S, 84.6 GB) is more than an RTX 3090 can hold (21.6 GB usable): it needs 4 of them.
Files and context on RTX 3090
Each file of Swift-1.5-Flash-Next-Heretic-ReverseEngineer (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.