Project AURIONAI Use-Cases Research & Innovation
AI21 Labs

AI21 Labs

Startup, Israel. 5 models in the directory.

startupIsrael
0deployments

Identity

Type
startup
Country label
Israel
HQ country
Israel
Founding country
Israel
Parent
not in the notes
Parent country
not in the notes
Country basis
the research notes
Where this comes from
Convention D1: a dual label, HQ first, when the HQ, founding or parent country differ.

Models by Class

Models

ModelClassOpennessParametersReleased
AI21 LabsJamba Reasoning 3Breasoningopen weights permissive3.2B5 Oct 2025AI21 LabsJamba 1.5LLMopen weights restricted–22 Aug 2024AI21 LabsJamba 1.5 LargeLLMopen weights restricted–22 Aug 2024AI21 LabsJamba 1.5 MiniLLMopen weights restricted52B22 Aug 2024AI21 LabsJamba 1.7 LargeLLMunknown––

Scores

BenchmarkModelScoreWho ran itSetting
ARC-cJamba 1.5 Mini85.7 %vendor-reported
Arena-HardJamba 1.5 Mini46.1 scorevendor-reported
Artificial Analysis Intelligence IndexJamba 1.7 Large6 indexindependentasterisk on page
BFCLJamba 1.5 Mini80.6 %vendor-reported
GPQAJamba 1.5 Mini32.3 %vendor-reported
GSM8KJamba 1.5 Mini75.8 %vendor-reported
MMLUJamba 1.5 Mini69.7 %vendor-reportedCoT
MMLU-ProJamba 1.5 Mini42.5 %vendor-reportedCoT
Where this comes from
Every recorded score of this organisation's models, with who ran it. Scores from different settings are not directly comparable.

Sources

  1. Blog | AI21 ai21.com https://www.ai21.com/blog/
  2. LLM Leaderboard - Comparison of AI models from OpenAI, Anthropic, Google, SpaceXAI & others | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/leaderboards/models

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "AI21 Labs", https://aurion.semai.id/organisations/ai21-labs/, records of October 2026.