Parameter	Value
Base model	MERaLiON/MERaLiON-2-3B
Domain	Mental Health
Version	v5
Training samples	3,240
Voices used	10
Best loss achieved	0.44 (step 581 / 2,430)
Epoch at stop	0.65 (early stop — loss converged)
LoRA rank	16
LoRA alpha	32

Note: Training was stopped early at step 581 (epoch 0.65). Loss had converged to 0.44 and was no longer improving. This checkpoint represents the best weights from the run.

Coverage

Covers Singapore mental health terminology including depression, anxiety, suicidal ideation, Singlish emotional expressions (sian, stress lah), and local institutions (IMH, SAMH, Samaritans of Singapore). Speaker roles: patient, psychiatrist, counsellor, helpline operator.

Developed By

Loh Mun Yew (Darren), IMDA BizTech Group National Multimodal Language Programme (NMLP)

Part of the ROAR (Responsive Omnilingual Adaptive Reasoning) sovereign AI companion framework for Singapore.

IMDA NMLP | ROAR Companion: munyew/roar-companion

munyew/meralion-mental-health-lora

MERaLiON Mental Health LoRA v5

Training Summary

Coverage

Developed By

munyew/
meralion-mental-health-lora