sunit12/tiny-aya-global-codemix-refusal-guard
Updated
Lexsi×Cohere hackathon: probe-gated refusal guard for Tiny Aya Global on romanized Hindi/Punjabi.
Note Gate (L9) + refusal vectors + guard.py
Note Base model studied
Note South-Asian specialist, compared
Note Guard re-fit on Tiny Aya Fire: usable refusal 47% -> 76%
Every held-out output, plain vs guarded vs CAST
Note Explorer of every held-out output
Note Fix 2 (v4): circuit-guided LoRA, layers 10-20 — 90% usable refusal, MMLU unchanged, GGUF adapter included