What is Jamba 1.5 Large?

Jamba 1.5 Large is AI21 Labs' hybrid Mamba-Transformer open LLM with a 256k token context window, designed for text-based tasks. It is well-suited for applications requiring long-context understanding and generation. The model's open weights make it accessible for customization and research.

What is Jamba 1.5 Large's context window?

Jamba 1.5 Large has a context window of 256K ctx.

How much does Jamba 1.5 Large cost?

Jamba 1.5 Large is priced at $2 per 1M input tokens and $8 per 1M output tokens.

Jamba 1.5 Large by AI21 Labs: Context, Price & License

The Jamba 1.5 Large from AI21 Labs represents a notable entry in the open LLM space, combining Mamba and Transformer architectures with an exceptionally long 256k token context window. This positions it as a strong option for developers working with long documents or extended conversations, where maintaining context is critical. As an open-weights model under the Jamba Open Model License, it offers more flexibility than proprietary alternatives while maintaining commercial viability. The model’s text-only focus and unspecified output limits may constrain some applications, but its architecture and context length make it particularly relevant for researchers and developers working on memory-intensive NLP tasks. Teams needing transparency and customizability in a long-context model should evaluate Jamba against similarly licensed alternatives.

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