team-qbits-cpt-v3

Submitted system for the ICTer 2026 SinhalaMMLU Shared Task (macro 57.81).

Base: QBitsLK/gemma4-e4b-sinhala-cpt (Gemma 4 E4B + Sinhala continued pretraining). LoRA r=32, alpha=32, lr 1e-4, 2 epochs on 21,235 past-paper MCQ examples; checkpoint final_adapter (step 1328), merged. 7,996,157,418 parameters.

Inference: per-option log-likelihood under a 5-prompt ensemble. See SinhalaMMLU-SharedTask/team-qbits.

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