Google Releases TranslateGemma Open Translation Models

Google released TranslateGemma, an open suite of translation models based on Gemma 3, offering 4B, 12B, and 27B-parameter variants supporting translation across 55 languages. Trained with supervised fine-tuning plus reinforcement learning using automatic reward signals, the models achieved improved parameter efficiency on the WMT24++ benchmark—reportedly the 12B model outperformed a 27B Gemma 3 baseline—and target mobile to cloud deployments.