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397 is just too big for two Sparks even at NVFP4. Wish they had made this just a tiny bit smaller.

Ornith-1.5-397B is derived from Qwen3.5-397B-A17B via post-training. That process preserves exact parameter count.

Ah thanks for the background. Well, time to learn how to quant things down!

They should've included Qwen3.5-397B-A17B in the benches then :/