SEA-LION v4 27B is Southeast Asia's most capable open AI model — built on Google's Gemma architecture and specifically trained to serve the 600 million people of ASEAN in their native languages.
Gemma SEA-LION v4 27B is an AI model released 2025 by AI Singapore, a leading organization in large language model research. Southeast Asian language specialist — optimized for Thai, Vietnamese, Indonesian, Malay, Filipino, and more. With 27B and a 128K tokens context window, Gemma SEA-LION v4 27B is designed to excel across a range of demanding tasks — from software engineering and mathematical problem-solving to multilingual content generation and long-document analysis.
Gemma SEA-LION v4 27B uses a dense transformer architecture with 27B of parameters, all of which are active for every input token. Dense architectures provide predictable, consistent behavior across diverse task types — there are no "cold" experts to warm up, and quality is uniform across prompts. AI Singapore's training pipeline combined large-scale pretraining on a large-scale multilingual pretraining dataset with supervised fine-tuning and alignment techniques (RLHF or DPO), producing Gemma SEA-LION v4 27B's characteristic balance of capability, helpfulness, and safety.
As of 2026-10-16, Gemma SEA-LION v4 27B by AI Singapore demonstrates measurable performance on standard AI evaluation benchmarks. On SEA language benchmarks — which measures model performance on specialized evaluation tasks — it achieves Strong — second to Qwen SEA-LION at 32B. These scores place Gemma SEA-LION v4 27B — at 27B of parameters — in a competitive position within its model class. Note that benchmark scores reflect controlled evaluation conditions; real-world performance varies by task, prompt design, and domain specificity.
The primary strengths of Gemma SEA-LION v4 27B are: Gemma-base variant for users in Google ecosystem; 11 ASEAN languages supported; Gemma license terms — broadly usable. These make it particularly well-suited for Google Cloud Vertex AI deployments for ASEAN markets, SEA-language apps on Google infrastructure. Users working on complex, multi-step problems benefit most from Gemma SEA-LION v4 27B's ability to maintain coherence across long inputs and produce structured, verifiable outputs.
Like all current AI systems, Gemma SEA-LION v4 27B has limitations: Slightly lower benchmarks than Qwen-based SEA-LION 32B. For production deployments, validating outputs against authoritative sources — especially for domain-specific or time-sensitive information — remains best practice. AI Singapore continues to improve Gemma SEA-LION v4 27B through ongoing research.
Gemma SEA-LION v4 27B is available on LITHOVEX AI with a free account. Unlike direct API access — which requires billing setup, API key management, and per-token charges — LITHOVEX AI provides a seamless browser interface with no setup required, making Gemma SEA-LION v4 27B accessible to students, researchers, developers, and early-stage teams globally.
As of 2026-10-16, Gemma SEA-LION v4 27B by AI Singapore demonstrates measurable performance on standard AI evaluation benchmarks. On SEA language benchmarks — which measures model performance on specialized evaluation tasks — it achieves Strong — second to Qwen SEA-LION at 32B. These scores place Gemma SEA-LION v4 27B — at 27B of parameters — in a competitive position within its model class. Note that benchmark scores reflect controlled evaluation conditions; real-world performance varies by task, prompt design, and domain specificity.
Dense transformer, 27B parameters, Gemma base, fine-tuned for Southeast Asian languages
The training pipeline for Gemma SEA-LION v4 27B involves multiple stages: large-scale pretraining on diverse multilingual text and code corpora to develop broad world knowledge, followed by supervised fine-tuning on instruction-response pairs, and alignment techniques such as RLHF or DPO. Each stage refines the model's helpfulness, accuracy, and safety. AI Singapore's research team — based in Singapore — has optimized Gemma SEA-LION v4 27B for the specific capability profile described above.
Inference efficiency: Gemma SEA-LION v4 27B at 27B is designed to deliver quality outputs at practical serving speeds. Its 128K tokens context window enables processing entire documents, multi-file codebases, and extended conversation histories — particularly valuable for contract review, technical documentation analysis, and codebase-level AI assistance.
Getting started with Gemma SEA-LION v4 27B on LITHOVEX AI takes under two minutes. Follow these steps:
For best results with Gemma SEA-LION v4 27B: provide specific, context-rich prompts; include examples when generating code; specify output format when structure matters; break complex tasks into focused sub-questions.
Indonesian-language government and enterprise AI applications
Thai-language customer service and content generation
Filipino/Tagalog chatbots for Philippine businesses
Vietnamese-language document analysis for Vietnam's tech sector
ASEAN multilingual applications serving multiple SEA languages simultaneously
OpenAI is an American AI research laboratory founded in December 2015 by Sam Altman, Elon Musk, Greg Brockman, Ilya Sutskever, and others, with a mission to ensure artificial general intelligence benefits all of humanity. Originally a non-profit, OpenAI restructured to a "capped profit" model in 2019 and has since raised over $17.9 billion, with Microsoft as its largest investor and cloud-computing partner. OpenAI created GPT-2, GPT-3, and the GPT-4 series — each dramatically advancing the field. The company also developed DALL-E (image generation), Whisper (speech recognition), Codex (code generation), and Sora (video generation). ChatGPT, launched in November 2022, reached 100 million users in just two months — the fastest-growing consumer product in history — and fundamentally shifted mainstream awareness of AI capabilities. The GPT-5 generation (2025–2026) pushed frontier performance to new levels in coding, reasoning, and multimodal understanding. OpenAI's API has become the de facto standard for AI integration across industries. LITHOVEX AI provides free access to selected OpenAI models — no credit card or API subscription required.
Founded: 2017, headquartered in Singapore.
Gemma SEA-LION v4 27B by AI Singapore competes in a field with several strong alternatives. Below is a detailed side-by-side comparison against commonly listed alternatives, using benchmark data and capability profiles in the catalog.
Both Gemma SEA-LION v4 27B and the models above are available free on LITHOVEX AI — test them side by side on your real tasks before committing to a subscription with any provider.
Gemma SEA-LION v4 27B is released under Gemma Terms of Use, which means you can download and run it on your own hardware. Below are the quickest ways to get started.
LITHOVEX AI runs Gemma SEA-LION v4 27B on cloud infrastructure, so you can use it instantly in your browser without downloading anything, configuring drivers, or managing VRAM. Create a free account and start in under 60 seconds.
SEA-LION v4 27B fills a critical gap in global AI: the ASEAN region's 10 countries speak dozens of languages including Bahasa Indonesia, Thai, Vietnamese, Filipino, Malay, Tamil, and Burmese — all poorly served by Western AI models. SEA-LION's specialized training makes it invaluable for Southeast Asian businesses, governments, and communities.
Gemma SEA-LION v4 27B by AI Singapore has the following version history and notable updates:
For the complete changelog and latest release notes, visit the official AI Singapore model page.