AI21-Jamba-1.5-Mini is the latest generation of hybrid SSM-Transformer instruction-following foundational models developed by AI21 Labs. This model stands out in the market with its exceptional long text processing capabilities, speed, and quality, achieving up to 2.5 times faster inference compared to other leading models of similar size. Jamba 1.5 Mini and Jamba 1.5 Large are optimized for commercial use cases and functionalities, such as function calling, structured output (JSON), and foundational generation.