Jamba Large 1.7

Jamba Large 1.7 is AI21 Labs' open-weight, long-context enterprise LLM built on a hybrid SSM-Transformer (Mamba-Transformer) architecture with 398B total parameters (94B active) and a 256K-token context window. It is designed for grounded text generation, long-document understanding, and tool- and structured-output workflows in enterprise settings such as legal, finance, and healthcare. Source: supabase.