BenchLeader

Molmo2-8B

Molmo2-8B is an Ai2 open-weights model, released 11 Dec 2025. Its best configuration ranks #748 of 785 on the BenchLeader Index at 36.4 ±4.9, in the lower half. The ± is the point: 171 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in reasoning (41) and lowest in multimodal (20). Last measured 11 Dec 2025.stale: no new result in six months

Blended price
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Output speed
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First answer
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Context
37k
Full answer
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Cost per run
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Released
11 Dec 2025
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Overall index36
  2. Reasoning41
  3. Agents & tools34
  4. Knowledge30
  5. Instruction following31
  6. Multimodal20
  7. Long context23
  8. Composite35

How its index has moved

9 Sept 2026 to 21 Oct 2026
313742

The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Reasoning

Benchmarknot statedSource
GPQA Diamond (AA)not in index42.5%#467Artificial Analysis
Humanity's Last Exam (AA)not in index4.3%#515Artificial Analysis
CritPt0.0%#315Artificial Analysis

Agents & tools

Instruction following

Benchmarknot statedSource
IFBench26.9%#381Artificial Analysis

Multimodal

Benchmarknot statedSource
MMMU-Pro37.5%#271Artificial Analysis

Long context

Benchmarknot statedSource
AA-LCR0.0%#493Artificial Analysis

Composite

More from Ai2

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See also

Questions people ask

What are Molmo2-8B's benchmark scores?
As of 25 Oct 2026, Molmo2-8B scores 36.4 ±4.9 on the BenchLeader Index, strongest in reasoning (41) and weakest in multimodal (20). That rests on 7 independent benchmark results, and every score on this page links to its publisher.
How does Molmo2-8B rank?
Molmo2-8B is #748 of 785 ranked configurations on 25 Oct 2026. 171 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
When was Molmo2-8B released?
Ai2 released Molmo2-8B on 11 Dec 2025.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “Molmo2-8B: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/molmo2-8b.