Raschka: open LLMs have abandoned full attention — hybrids and linear models now split 50/50

rasbt · x · 2026-11-11

Sebastian Raschka shares a trend from his upcoming open LLM roundup: by late 2026, zero new open models use full attention throughout. Hybrids mixing global attention with sliding-window/Gated DeltaNet/Mamba-2/sparse attention and pure non-full-attention models now split 50/50, driven by cheaper long context for documents, large codebases, and tool-calling agents.

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