The comparison describes Qwen 3.5 as combining Gated Delta Net with a linear-attention variant, and Nemotron 3 as a Mamba hybrid. It examines architectural approaches beyond standard QKV attention.
The comparison presents two hybrid approaches: Qwen 3.5 combines Gated Delta Net with a linear-attention variant, while Nemotron 3 is described as a Mamba hybrid.
The text links linear attention and state-space models as examples of convergent evolution. It places these proposals beyond standard QKV attention without claiming that they are equivalent.
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