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Favicon for ai21

AI21: Jamba Mini 1.6

ai21/jamba-1.6-mini

Model weights

AI21 Jamba Mini 1.6 is a hybrid foundation model combining State Space Models (Mamba) with Transformer attention mechanisms. With 12 billion active parameters (52 billion total), this model excels in extremely long-context tasks (up to 256K tokens) and achieves superior inference efficiency, outperforming comparable open models on tasks such as retrieval-augmented generation (RAG) and grounded question answering. Jamba Mini 1.6 supports multilingual tasks across English, Spanish, French, Portuguese, Italian, Dutch, German, Arabic, and Hebrew, along with structured JSON output and tool-use capabilities.

Usage of this model is subject to the Jamba Open Model License(opens in new tab).

Modalities

Context

256K

Released

Mar 13, 2025

Knowledge Cutoff

Aug 2024

ActivityFAQ

Activity

Token volume and request traffic to this model over time.

About AI21: Jamba Mini 1.6

OpenRouter makes AI21: Jamba Mini 1.6 available through a unified, OpenAI-compatible API using the model ID ai21/jamba-1.6-mini.

AI21: Jamba Mini 1.6 accepts text and returns text. It has a 256,000-token context window.

It was released on March 13, 2025; its knowledge cutoff is August 31, 2024.

More models from AI21

  • Jamba Large 1.7

Frequently asked questions

AI21 Jamba Mini 1.6 is a hybrid foundation model combining State Space Models (Mamba) with Transformer attention mechanisms. With 12 billion active parameters (52 billion total), this model excels in extremely long-context tasks (up to 256K tokens) and achieves superior inference efficiency, outperforming comparable open models on tasks such as retrieval-augmented generation (RAG) and grounded...

Jamba Mini 1.6 has a 256,000 token context window.

Jamba Large 1.7 is another text model from AI21.

Jamba Mini 1.6 was released on March 13, 2025. Its knowledge cutoff is August 31, 2024.