Allenai · model passport

Molmo 2 8b

molmo-2-8b

Open weights
Apache 2.0 licence
Released 2024-09-25(curated)

Overall · LMArena: 1,322#239 of 396
Best percentile: 42.4Hard prompts
Cohort standing: 42.1median 38.2

What the data says

Benchmarked on 4 of 27 tracked axes. Every figure below is the model's own published result on that board.

Uneven: 20.4 percentile points between its best and worst axis — 42.4 pct on Hard prompts versus 22 pct on Vision Arena.

Hard prompts42.4 pct1,335Verify →
Instruction following40.2 pct1,304Verify →
Overall39.9 pct1,322Verify →
Vision Arena22 pct1,112Verify →
WebDev 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
MMLU-Pro (Artificial Analysis)Not benchmarked
LiveCodeBench (Artificial Analysis)Not benchmarked
IFBench (Artificial Analysis)Not benchmarked
HHEM Hallucination (Vectara)Not benchmarked
SWE-bench VerifiedNot benchmarked
Terminal-BenchNot benchmarked
CodingNot 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.

molmo-2-8b stands at 42.1 (raw mean 36.1) — measured on 4 of 27 axes.
standingtemplateVerify →
molmo-2-8b stands at 42.1 versus a cohort median of 38.2 across 134 models released within 180 days — above the peer median.
cohorttemplateVerify →

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 →