Is Molmo2 8B available on FastMetal?

Not at the moment. GLM 5.3 Flash, from the same lab, is available on the FastMetal API today.

What is the context window of Molmo2 8B?

36,864 tokens, shared between the prompt and the response.

How does Molmo2 8B rank?

#233 on the public arena's Overall board (ELO 1,328). Ranks move as the leaderboard is updated.

Back to Models

allenai/molmo-2-8b

Not Available

Molmo2 8B

Molmo2-8B is an open vision-language model developed by the Allen Institute for AI (Ai2) as part of the Molmo2 family, supporting image, video, and multi-image understanding and grounding. It is based on Qwen3-8B and uses SigLIP 2 as its vision backbone, outperforming other open-weight, open-data models on short videos, counting, and captioning, while remaining competitive on long-video tasks.

1/9/2026

36,864 tokens

#117 Vision (Overall)

Specifications

Modalities

Input

text

image

video

Output

text

Supported Parameters

frequency_penalty

logit_bias

max_tokens

presence_penalty

repetition_penalty

seed

stop

temperature

top_k

top_p

Max Output Tokens

36,864

Frequently asked questions

Is Molmo2 8B available on FastMetal?: Not at the moment. GLM 5.3 Flash, from the same lab, is available on the FastMetal API today.
What is the context window of Molmo2 8B?: 36,864 tokens, shared between the prompt and the response.
How does Molmo2 8B rank?: #233 on the public arena's Overall board (ELO 1,328). Ranks move as the leaderboard is updated.