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SEA-LION
Open-source family of LLMs trained for Southeast Asian languages
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⭐ 4.8/5 · 42 reviews
via G2, Capterra or Trustpilot
About SEA-LION
SEA-LION (Southeast Asian Languages In One Network) is an open-source LLM family built by AI Singapore under the National Multimodal LLM Programme. Trained on regional data spanning Bahasa Indonesia, Thai, Vietnamese, Tagalog, Malay, Burmese, Khmer, Lao, and more. Released free under permissive licenses, with SEA-LION v4 adding multimodal (image + text) support and 256K context.
Key Features
✓ Open weights (MIT-leaning) on Hugging Face
✓ Trained on 11+ SEA languages
✓ Multimodal v4 with image + text input
✓ 256K native context window
✓ SEA-Guard safety models for the region
✓ SEA-LION-Embedding for regional retrieval
Best For
SEA-language chatbots and agentsRegional document understandingSelf-hosted AI for compliance-sensitive teamsResearchers and AI startups in ASEAN
Pricing
Modelfree
Free tier✓ Yes
0Details
CategoryAI Assistant
LanguagesEN, ID, TH
Updated2026-05-06