Release tracker

AI21 Labs model releases

Every dated AI21 Labs model release, newest first. The latest is Jamba Reasoning 3B, released 8 Oct 2025, and 0 of the 7 run on Opper today.

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All models
October 20251 release
  1. 8 Oct
    Jamba Reasoning 3B4
July 20252 releases
  1. 7 Jul
    Jamba 1.7 Large5
    Jamba 1.7 Mini2
March 20252 releases
  1. 6 Mar
    Jamba 1.6 Large5
    Jamba 1.6 Mini2
August 20242 releases
  1. 22 Aug
    Jamba 1.5 Large5
    Jamba 1.5 Mini2

Release dates and intelligence scores from Artificial Analysis, cross-checked against vendor announcements. Follow new releases via RSS.

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