AI21 Labs model releases

Release dates for every Jamba model AI21 Labs has shipped, newest first. The latest is Jamba Reasoning 3B, released 8 Oct 2025.

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October 20251 release
  1. 8 Oct
    Jamba Reasoning 3B6
July 20252 releases
  1. 7 Jul
    Jamba 1.7 Large6
    Jamba 1.7 Mini5
March 20252 releases
  1. 6 Mar
    Jamba 1.6 Large6
    Jamba 1.6 Mini5
August 20242 releases
  1. 22 Aug
    Jamba 1.5 Large6
    Jamba 1.5 Mini5

Release dates from vendor announcements and Artificial Analysis, which also supplies the intelligence scores. Follow new releases via RSS.

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