Can I run InternVL3_5-GPT-OSS-20B-A4B-Preview-HF on an RTX 5070 Ti?

Probably, at 4-bit

The published weights are too big, but a 4-bit version (about 11.9 GB) would fit, with room for ≈ 97K tokens of context. The site hasn't analyzed a GGUF of InternVL3_5-GPT-OSS-20B-A4B-Preview-HF yet.

Files and context on RTX 5070 Ti

Each file of InternVL3_5-GPT-OSS-20B-A4B-Preview-HF (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.

InternVL3_5-GPT-OSS-20B-A4B-Preview-HF on other hardware

Popular models that run on RTX 5070 Ti

Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.