Granite-4.0-H-Micro is a 3B parameter from the Granite 4 family of models. These models are the latest in a series of models released by IBM. They are fine-tuned for long context tool calling.
IBM: Granite 4.0 Micro – Provider Status and Pricing | OpenRouter
Providers for Granite 4.0 Micro
OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.