Open-source releaseModerate global significanceConfirmed confidence
AI21 Labs releases Jamba 1.5
AI21 Labs releases an upgraded hybrid-architecture model family with larger scale and context windows of up to 250,000 tokens.
What happened
Event details
AI21 Labs released Jamba 1.5 on August 22, 2024. The model has 398B MoE parameters, is open source and is classified as a Mamba-Transformer hybrid architecture; The Jamba 1.5 Open Model Family announcement is the primary source.
Assessment
Why it matters
An open-source model release with a documented model family, parameter scale or access condition.
67/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Publicly available as an open-source model family.