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UAE's JAIS 2: World's Most Powerful Arabic AI Model

The UAE has unveiled JAIS 2, a 70-billion-parameter Arabic AI model trained on 600 billion tokens — the most advanced open-weight Arabic LLM ever built.

UAE's JAIS 2: World's Most Powerful Arabic AI Model
Photo: Dubai.News
By DUBAI2 min read
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AI summaryauto-generated
  • 1JAIS 2 is a 70-billion-parameter Arabic AI model jointly developed by Inception (G42), Cerebras Systems, and MBZUAI, released on December 9, 2025.
  • 2It was trained on over 600 billion tokens covering Modern Standard Arabic, 17 regional dialects, and Arabizi — the largest Arabic-first dataset ever assembled.
  • 3JAIS 2 is the first frontier LLM both trained and deployed on Cerebras Systems infrastructure, achieving state-of-the-art results with significantly less compute.
  • 4The model excels at bilingual Arabic-English tasks including translation, content generation, and natural language understanding, and is available open-weight on HuggingFace.
  • 5The launch positions the UAE and MBZUAI as global leaders in Arabic AI, giving developers and researchers tools to build next-generation Arabic language applications.

The UAE has officially unveiled JAIS 2, a cutting-edge Arabic AI model that sets a new benchmark for Arabic language technology. Developed jointly by Inception (a G42 company), Cerebras Systems, and the Mohamed bin Zayed University of Artificial Intelligence (MBZUAI), JAIS 2 is a 70-billion-parameter model trained on the largest Arabic dataset ever assembled — over 600 billion tokens covering Modern Standard Arabic, 17 regional dialects, and Arabizi.

What Makes JAIS 2 the World's Leading Arabic AI Model

Designed from the ground up for the Arabic-speaking world, JAIS 2 also excels in bilingual Arabic-English tasks, enabling seamless translation, content creation, and natural language understanding across both languages. This positions the UAE as a global leader in Arabic AI innovation, opening doors for research, business, and digital transformation across the region.

The model is powered by a redesigned architecture and cleaner training data, delivering stronger reasoning, greater fluency across Modern Standard Arabic and regional dialects, and strong performance in English. It is engineered to handle real-world linguistic behavior — including code-switching and informal tone — while maintaining advanced technical and creative capabilities.

A Historic Milestone for Arabic Language Technology

JAIS 2 represents a historic milestone, combining advanced technology with deep cultural relevance. By understanding the nuances of Arabic and its diverse dialects, the model enables more accurate communication, smarter applications, and AI solutions tailored to the Arab world.

Notably, JAIS 2 is the first frontier language model both trained and deployed for inference on Cerebras Systems — with the team achieving state-of-the-art quality using only a fraction of the compute required by similar-sized models in the past.

The UAE Is Not Just Adopting AI — It Is Leading It

MBZUAI's launch of JAIS 2 signals a major leap forward for language, technology, and culture, demonstrating the UAE's commitment to shaping the future of AI. Developers, researchers, and businesses now have access to tools that bring Arabic into the next generation of artificial intelligence solutions.

The model is available for download on Inception's Hugging Face repository and accessible via the Jais Chat web application at jaischat.ai.

The UAE's sustained investment in JAIS 2 shows that the region is not just adopting AI — it is leading it, ensuring Arabic speakers worldwide can fully participate in the AI revolution.

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Written by

Olena Stashek

Reporting from Dubai — independent, on the ground, and built on local sources.