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MiniMax M3 launches with a sparse attention mechanism that cuts per-token compute at 1M tokens to one-twentieth of its predecessor. The architecture is genuinely interesting; the benchmarks require scrutiny; the license is almost certainly not what the word "open-weight" implies.
Read more →δ-mem augments a frozen full-attention LLM with an 8×8 associative memory state updated by delta-rule learning, applying low-rank corrections to attention at inference time — no fine-tuning required. It reaches 1.31× gains on memory-heavy benchmarks and 1.20× on long-conversation tasks.
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