oroboros-labs/claude-opus-9-undecillion-9u5go5-sse
Quantization vs Qwen/Qwen3.8-27B. oroboros-labs/claude-opus-9-undecillion-9u5go5-sse is a GGUF quantization (Q2_K/Q3_K) of the same weights: 161 tensors match exactly and 258 within quantization error.
Tensors changed: Norms 0/161, MLP 0/192, Attention 0/64, Embeddings 0/1, lm_head 0/1