2026IBMopen source
Granite 4.2
v4.2
Granite 4.2 is a series of open-source language and speech models designed for agentic enterprise workflows. These models feature native step-by-step reasoning, advanced tool-calling capabilities, and optimized architectures for deployment across cloud, on-premises, and edge environments.
Native step-by-step reasoning and 'thinking' capabilities
Advanced tool-calling for complex, multi-step agentic workflows
Multi-stage reinforcement learning (RL) training regimen
pricingOpen source (Apache 2.0 license)
version4.2