MohJaf/Bayan-15B

TEXT GENERATIONConcurrency Cost:1Model Size:14.8BQuant:FP8Ctx Length:32kPublished:Jan 20, 2026License:cc-by-nc-nd-4.0Architecture:Transformer0.0K Open Weights Cold

Bayan-15B is a 14.8 billion parameter Arabic Large Language Model developed by Bayan AI, LLC, built on Qwen2.5-14B. It is specifically fine-tuned for legal reasoning, interpretive methodologies, and classical Arabic text analysis. This model excels at understanding complex argumentative structures and jurisprudential reasoning within classical Arabic legal discourse. It is primarily designed for academic research, analysis of interpretive methodologies, and specialized Arabic NLP applications.

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Bayan-15B: Specialized Arabic Legal Reasoning LLM

Bayan-15B is a 14.8 billion parameter language model developed by Bayan AI, LLC, based on the Qwen2.5-14B architecture. It has undergone Continued Pre-Training (CPT) on a specialized corpus of approximately 190 million tokens, comprising over 900 classical Arabic texts focused on legal theory, interpretive methodology, and jurisprudential reasoning. This domain-adapted model demonstrates deep comprehension of traditional scholarly Arabic writing styles and complex argumentative structures.

Key Capabilities

  • Legal Text Analysis: Proficient in understanding and generating classical Arabic legal discourse.
  • Interpretive Reasoning: Skilled in analyzing methodological frameworks and interpretive principles.
  • Classical Arabic: Offers deep comprehension of traditional scholarly Arabic writing styles.
  • Argumentation: Capable of following complex chains of reasoning and evidence-based arguments.

Good For

  • Academic research in Arabic legal traditions.
  • Analysis of classical interpretive methodologies.
  • Arabic NLP applications requiring domain expertise in legal and interpretive fields.
  • Educational tools for Arabic legal studies.
  • Compliance and advisory systems for Islamic finance.

Limitations

Bayan-15B is highly specialized in classical Arabic legal discourse and is not intended as a substitute for qualified legal or religious experts. It functions best as a research and analysis tool, and users may require domain expertise to accurately evaluate its outputs. The model is released under a CC BY-NC-ND 4.0 license, permitting academic and research use, with commercial use requiring separate licensing.