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Model Details
Model Provider
scalejade
Model Tree
Qwen/Qwen3-32B
Input Modalities
Output Modalities
Supported Functionality
Qwen-SEA-LION-v4-32B-IT is built on top of Qwen3-32B and specialized for the Southeast Asian region. It was continue-pretrained on roughly 100B tokens sampled from the SEA-Pile v2 corpus across seven SEA languages — Burmese, Indonesian, Malay, Filipino, Tamil, Thai, and Vietnamese — and then post-trained on approximately 8M high-quality instruction pairs to produce the final instruct model. It supports a 32,768-token native context window and inherits Qwen3's optional thinking mode (enable_thinking=True).
The model is intended for research and commercial use on SEA-language workloads: multilingual assistants, translation, retrieval-augmented generation over regional content, summarization, classification, and instruction-following tasks where a stronger SEA-language foundation matters.
| Field | Value |
|---|---|
| Architecture | Decoder-only Transformer (Qwen3) |
| Parameters | ~32B |
| Context length | 32,768 tokens |
| Tokenizer | Qwen3-32B default |
| Languages | Burmese, English, Indonesian, Khmer, Lao, Malay, Mandarin, Tagalog, Tamil, Thai, Vietnamese |
| Base model | Qwen/Qwen3-32B |
| Upstream release | aisingapore/Qwen-SEA-LION-v4-32B-IT |
| License | MIT |
| Hosted by | Scalejade |
| Original developer | AI Products Pillar, AI Singapore |
Related upstream variants (quantized): Qwen-SEA-LION-v4-32B-IT-8BIT, Qwen-SEA-LION-v4-32B-IT-4BIT.
Recommended: multilingual chat and instruction-following across SEA languages, translation between English and SEA languages, summarization, extractive/abstractive QA, cultural-context tasks, and as a starting point for domain-specific fine-tunes.
Not recommended without additional work: any application requiring hard safety guarantees, medical or legal advice, or use cases where hallucination has material consequences. The model has not been safety-aligned. Teams deploying it must add their own safety fine-tuning, content filtering, and evaluation.
python
from transformers import AutoModelForCausalLM, AutoTokenizermodel_name = "scalejade/qwen-sea-lion-v4-32b-it"tokenizer = AutoTokenizer.from_pretrained(model_name)model = AutoModelForCausalLM.from_pretrained(model_name,torch_dtype="auto",device_map="auto",)messages = [{"role": "user", "content": "Tuliskan puisi singkat tentang senja di Jakarta."},]text = tokenizer.apply_chat_template(messages,tokenize=False,add_generation_prompt=True,enable_thinking=False, # set True to enable Qwen3 thinking mode)inputs = tokenizer([text], return_tensors="pt").to(model.device)generated = model.generate(**inputs, max_new_tokens=1024)print(tokenizer.decode(generated[0][inputs.input_ids.shape[-1]:], skip_special_tokens=True))
Thinking-mode parsing follows the upstream convention: after generation, split on the thinking end-of-block token (151668) to separate reasoning from the final answer.
Upstream training was performed by AI Singapore. Continue-pretraining used ~100B tokens drawn from SEA-Pile v2 spanning seven SEA languages, followed by instruction fine-tuning on ~8M OSS and synthetic instruction pairs, with model merging as part of the post-training pipeline. No additional training has been performed by Scalejade on the weights hosted here — this repository is a redistribution.
The upstream model was evaluated on the SEA-HELM benchmark across general-language tasks (QA, sentiment, toxicity, translation both directions, abstractive summarization, causal reasoning, NLI, LINDSEA, Kalahi, Global MMLU Lite) as well as SEA-IFEval (instruction-following) and SEA-MTBench (multi-turn chat, judged by gpt-4.1-2025-04-14). Evaluation was zero-shot with native-language prompts, averaged across 8 seeds. Live results: leaderboard.sea-lion.ai.
Like any LLM this model can hallucinate, produce factually incorrect content, or generate text that is inconsistent across turns. It has not been tested against adversarial prompting and has not undergone safety alignment. Performance in the eleven listed languages is uneven — the strongest results are in the seven SEA languages that were part of continued pretraining. Users are responsible for validating outputs before acting on them.
MIT — see https://mit-license.org/. Same terms as the upstream release.
All credit for the model itself belongs to the SEA-LION team at AI Singapore. If you use this model in research or production, please cite the upstream project and follow AI Singapore's attribution guidance at sea-lion.ai.
For questions about the underlying model or the SEA-LION project, contact the original authors at sealion@aisingapore.org. For questions about this Scalejade-hosted mirror, contact the Scalejade team.
The SEA-LION project is supported by the National Research Foundation Singapore and the Infocomm Media Development Authority (IMDA) under Singapore's National Large Language Model Funding Initiative. Scalejade thanks the AI Singapore team for open-sourcing this work.