Jamba Reasoning 3B

Jamba Reasoning 3B is an AI model from AI21 Labs.

Publisher: AI21 Labs
Family: Jamba
Input
Output
Released: 8 Oct 2025

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Notes

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Attribution

Benchmark scores: AA

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Input

$0

/1M tok

Output

$0

/1M tok

Blended

$0

#1/ 499/1M · 3:1

Speed

0

Price & speed via Artificial Analysis · ranked across tracked models

Reported on 9 evals across 6 domains - best 57.7% on MMLU-Pro · #204 of 340

Reported eval scores

9

Terminal-Bench (Hard)0.8

Humanity's Last Exam (HLE)3.8

LiveCodeBench21

GPQA Diamond33.3

τ²-bench (Tau²-bench)15.8

AIME 2025: Problems from the American Invitational Mathematics Examination10.7