AI21-Jamba-Large-1.5: benchmark scores, price and ranking

AI21-Jamba-Large-1.5 from ai21labs ranks #465 of 743 LLMs on the LLMs Tiger aggregate benchmark score (47.1), based on 1 benchmark results captured up to 2026-10-13.

Organisation
ai21labs
Type
Open-weight / local model
Open weights
Yes
Aggregate rank
#465 of 743 (score 47.1)

Across the 1 benchmark where at least ten models are scored, AI21-Jamba-Large-1.5 is in the top 10% on 0 and in the top half on 0.

AI21-Jamba-Large-1.5 benchmark results

AI21-Jamba-Large-1.5 benchmark scores, ranked against all models measured on each benchmark
BenchmarkScoreRankSourceCaptured
MMLU-Pro49.5%#79 of 136HuggingFace MMLU-Pro leaderboard2026-10-13

About AI21-Jamba-Large-1.5

AI21-Jamba-Large-1.5 is an open-weight model that can run on your own hardware from ai21labs. No API price is listed for it yet. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.

Where AI21-Jamba-Large-1.5 stands

On our aggregate score, AI21-Jamba-Large-1.5 is #465 of 743 ranked models, in the lower half. Its score is 47.1; the scale is centred on 50, so it sits 2.9 points below the typical model. That beats 37% of the ranked field.

AI21-Jamba-Large-1.5, benchmark by benchmark

AI21-Jamba-Large-1.5 lands below the middle on MMLU-Pro: 49.5%, #79 of 136, with 57% of the field scoring higher. Darwin-180B-RSI leads at 88.1%; the closest result above is granite-4.1-3b at 49.8%. It covers 57-subject knowledge + reasoning. The board median is 55.3%, so AI21-Jamba-Large-1.5 is 5.8 points below it. Source: HuggingFace MMLU-Pro leaderboard, captured 2026-10-13.

Reading these numbers

The 1 score on this page comes from 1 source: HuggingFace MMLU-Pro leaderboard (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.

Models ranked nearby

Compare it on the live leaderboard → · How the aggregate score works