Jamba 1 5 Large — Retired model
Jamba 1.5 Large is part of AI21's new family of open models, offering superior speed, efficiency, and quality. It features a 256K effective context window, the longest among open models, enabling improved performance on tasks like document summarization and analysis. Built on a novel SSM-Transformer architecture, it outperforms larger models like Llama 3.1 70B on benchmarks while maintaining resource efficiency. Read their [announcement](https://www.ai21.com/blog/announcing-jamba-model-family) to learn more.
Technical specifications
Frequently Asked Questions
Can I still use the retired Jamba 1 5 Large model?
No. Jamba 1 5 Large has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.
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