SEA-LION v4: Multimodal Language Modeling for Southeast Asia

AI Singapore (AISG), in collaboration with Google, has launched SEA-LION v4, an open-source multimodal language model based on the Gemma 3 (27B) architecture, specifically optimized for Southeast Asian languages. The model supports both text and image understanding, targeting languages with limited digital resources, and is licensed for commercial use, facilitating deployment on standard hardware platforms. Benchmark evaluations on the SEA-HELM suite demonstrate SEA-LION v4s state-of-the-art performance across multiple Southeast Asian languages, including Filipino, Malay, Tamil, Burmese, Thai, and Vietnamese. Notably