Kimi K3 Optimizes KDA: Prevents Overflow and Upgrades Gate

Kimi K3 optimizes its KDA mechanism by introducing a lower-bounded decay to prevent overflow and upgrading the output gate to a full-rank projection to resolve attention sink issues.

2026-07-28 ~ 2026-07-28 · 2 related posts

• Kimi K3 bounds decay at -5 to keep chunkwise KDA inside BF16 range — suchenzang · 2026-07-28
• Kimi K3 switches KDA to a full-rank gate, as low-rank is said to miss the attention-sink fix — suchenzang · 2026-07-28