Jamba 1.6
Enterprise-ready, open model with 256K context
Jamba 1.6 launched on March 11, 2025 with 104 votes, #415 of 7,215 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Jamba 1.6, from AI21 Labs, is the high-quality, open model for enterprises. 256K context, outperforms, and offers on-premise/VPC deployment for data security.
AI21’s Jamba 1.6 outperforms models from Mistral, Meta, and Cohere to offer enterprises the best model for private LLM deployment at scale.
Today, we’re introducing Jamba 1.6, the best open model family on the market for enterprise deployment, offering: Jamba outperforms Mistral, Meta, and Cohere, and rivals leading closed models in quality, while allowing enterprises to deploy it entirely on-premise or in a VPC—ensuring that sensitive data stays within the organization, never exposed to a model vendor. With Jamba 1.6, enterprises no longer have to choose between the rigorous data security of open models and the leading quality of closed models. LongBench and ArenaHard scores are from official leaderboards for applicable models. Examples that couldn’t fit models’ context windows were scored accordingly. Due to a 32K context…from ai21.com
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