Ai21-Labs · model passport
Jamba 1 5 Large
jamba-1-5-large- Open weights
- Jamba Open licence
- Released 2024-08-22(curated)
- Overall · LMArena
- 1,289#273 of 395
- Best percentile
- 31.1Overall
- Cohort standing
- 34.5median 37.7
What the data says
Benchmarked on 6 of 27 tracked axes. Every figure below is the model's own published result on that board.
Uneven: 13.3 percentile points between its best and worst axis — 31.1 pct on Overall versus 17.8 pct on LiveCodeBench (Artificial Analysis).
- Overall31.1 pct1,289Verify →
- Instruction following29.6 pct1,267Verify →
- Hard prompts29.4 pct1,284Verify →
- Coding28.7 pct1,312Verify →
- MMLU-Pro (Artificial Analysis)23.4 pct57.2%Verify →
- LiveCodeBench (Artificial Analysis)17.8 pct14.3%Verify →
- WebDev ArenaNot benchmarked
- Vision ArenaNot benchmarked
- Factuality ArenaNot benchmarked
- Search ArenaNot benchmarked
- Document ArenaNot benchmarked
- Agent ArenaNot benchmarked
- GPQA DiamondNot benchmarked
- AIME (math)Not benchmarked
- FrontierMathNot benchmarked
- SimpleQA VerifiedNot benchmarked
- ARC-AGI-2Not benchmarked
- Humanity's Last ExamNot benchmarked
- SimpleBenchNot benchmarked
- LiveBenchNot benchmarked
- BFCL v4 (function calling)Not benchmarked
- SWE-bench Verified (live board)Not benchmarked
- Terminal-Bench 4.0Not benchmarked
- IFBench (Artificial Analysis)Not benchmarked
- HHEM Hallucination (Vectara)Not benchmarked
- SWE-bench VerifiedNot benchmarked
- Terminal-BenchNot benchmarked
Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.
The jamba-1.5-large model from ai21-labs has a shrunk composite score of 34.5 and a raw composite score of 26.7, with scores covering 6 of 27 axes.
standingVerify →Over the past 180 days, jamba-1.5-large from ai21-labs has a standing of 34.5, compared with a cohort median standing of 37.7 across a cohort of 126 models.
cohortVerify →
The rank for jamba-1.5-large (ai21-labs) ranges from 272 to 878 across 5 templates, a spread of 606, with its best rank under the Coding-focused template and its worst under the All sources template.
rank swingVerify →
Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →