Identity
- Status
- active
- Developer ID
allenai/MolmoAct2-Pretrain- Released
- Not reported
- Version
- MolmoAct2-Pretrain
- License
- Unknown
Ai2MolmoAct2 Pretrain
MolmoAct2-Pretrain is an open-weight robotics policy model published by Ai2.
- Token context
- 16K tokens
- Inputs
- Model-specific input
- Outputs
- Model-specific input
- Released
- Not reported
Providers & Pricing
0 current hosted offerings
No Current Hosted API Offering Verified
No exact current provider endpoint or published price has been verified for this model version.
At a Glance
Model Facts
Capacity
- Token context
- 16K tokens
- Maximum output
- Unknown
- Total parameters
- 4.9B
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Model-specific input
- Outputs
- Model-specific input
- API available
- Unknown
- Open weights
- Yes
- Self-hostable
- Yes
- Reasoning
- No
- Vision
- No
- Tool calling
- No
- Capabilities
- robot action generation
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesallenai/MolmoAct2-Pretrain, allenai/MolmoAct2-Pretrain
Explicit Unknowns
- Release date
- Maximum output
- Knowledge cutoff
- API availability
- Provider pricing
Primary Evidence
Sources and Observation Date
allenai/MolmoAct2-Pretrain developer model repositoryAi2 · observed Aug 28, 2026allenai/MolmoAct2-Pretrain config.json at a05effca9ba3Ai2 · observed Aug 28, 2026allenai/MolmoAct2-Pretrain README.md at a05effca9ba3Ai2 · observed Aug 28, 2026allenai/MolmoAct2-Pretrain immutable Hub API metadataAi2 · observed Aug 28, 2026allenai/MolmoAct2-Pretrain tokenizer_config.json at a05effca9ba3Ai2 · observed Aug 28, 2026Hugging Face catalogHugging Face · observed Sep 2, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
| vs | family variantsimage, robotics, text |
Questions
MolmoAct2 Pretrain FAQs
What is MolmoAct2 Pretrain?+
MolmoAct2-Pretrain is an open-weight robotics policy model published by Ai2. It is developed by Ai2 and its current sourced lifecycle status is active.
What inputs and outputs does MolmoAct2 Pretrain support?+
MolmoAct2 Pretrain's current record lists Model-specific input as input and Model-specific input as output.
How much context does MolmoAct2 Pretrain support?+
The current record lists a 16K-token context window and does not report a maximum output length.
Is MolmoAct2 Pretrain available through an API?+
MolmoAct2 Pretrain's current primary-source record does not establish API availability. No provider endpoint is treated as available without direct provider evidence.
How large is MolmoAct2 Pretrain?+
The current record lists 4.9B total parameters and an unknown active parameter count. Its architecture is MolmoAct2ForConditionalGeneration.
What capabilities and tasks does MolmoAct2 Pretrain support?+
MolmoAct2 Pretrain's recorded capabilities are robot action generation. Its supported tasks are image, robotics, and text.
How much does MolmoAct2 Pretrain cost through an API?+
No directly sourced token price is currently attached to MolmoAct2 Pretrain. Missing prices remain unknown rather than being inferred from another model or provider.
Can MolmoAct2 Pretrain be self-hosted?+
MolmoAct2 Pretrain is an open-weight model. Self-hosting is supported, with no license recorded.
Does MolmoAct2 Pretrain have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are allenai/MolmoAct2-Pretrain.
Which models can MolmoAct2 Pretrain be compared with?+
The current compatible peer set includes MolmoAct2 Think. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →