granite-4.0-micro is a compact language model developed by IBM as part of the Granite 4.0 series. It is optimized for instruction following and tool/function calling tasks. The model is designed for efficient deployment in enterprise environments and is fully open source on Hugging Face.
In the Foundation models & chat space, Granite 4.0 Micro takes a focused approach. It focuses on providing a lightweight, efficient language model with strong tool-use capabilities for enterprise applications. It is built as an open-source project for developers. Granite 4.0 Micro is open source under the Apache-2.0 license. The product ships for the web, the command line, and API.
IBM builds and maintains Granite 4.0 Micro, and the product first shipped in 2025. Development happens publicly on GitHub with 212 stars. It operates in a well-populated space: PulseGate tracks 5 similar tools. Key capabilities include tool calling, instruction following, and function calling.
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