Granite 4.1 8B is a next-generation enterprise-grade open-source language model developed by the IBM Granite Team as part of the IBM Granite 4.1 model family. The Granite 4.1 series includes 3B, 8B, and 30B parameter models, with Granite 4.1 8B positioned as a balanced model that delivers strong performance with efficient resource usage for enterprise AI assistants, knowledge retrieval, AI Agents, and automated workflows.
Granite 4.1 8B is an 8B-parameter Dense instruction-tuned model optimized from the Granite 4.1 8B Base model. Through supervised fine-tuning and alignment techniques, it improves capabilities in tool calling, instruction following, conversational interaction, and multi-step task execution.
The model is designed for enterprise AI workflows and supports text generation, document summarization, information extraction, knowledge question answering, RAG (Retrieval-Augmented Generation), code assistance, Function Calling, and multilingual conversations.
Granite 4.1 8B supports multiple languages, including English, Chinese, Japanese, German, Spanish, French, and Korean, making it suitable for global AI application development. The model is released under the Apache 2.0 open-source license, allowing developers to freely use, customize, fine-tune, and deploy it for research and commercial applications.
Granite 4.1 8B focuses on delivering a high-performance, resource-efficient, and commercially deployable open-source AI model for building intelligent assistants, enterprise knowledge systems, automation solutions, and AI Agent applications.

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