robot policy
MolmoAct2
Ai2 action reasoning model for real-world robot deployment, built on Molmo.
Levelmodel
Classrobot policy
Parameters5.44B
Contextnot in the notes
Released4 May 2026
Opennessunknown
Runs onnot in the notes
Statusactive
Identity
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- dense transformer
- Total parameters
- 5.44B sources
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- not in the notes
- Input
- image, text
- Output
- action
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- unknown
- Licence
- not in the notes sources
- Access routes
- open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- not in the notes
- Footprint
- not in the notes
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Benchmark Results
The notes record no benchmark result for this model.
Lineage
The notes record no lineage for this model.
Industry Use Cases
No industry use case links this model.
Links
DeveloperAllen AIcompany, USA
Allen AIcompany, USAModelMolmoAct2Allen AI, robot policy
MolmoAct2Allen AI, robot policyR&D TopicsVision-Language-Action Robot Policies
Use CasesHumanoid Parts Handling in Automotive ManufacturingIndustrialRetail Grocery Manipulation RobotsRetail and LogisticsHumanoid Robots in LogisticsRetail and LogisticsUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
BMW (Spartanburg plant)In production, 30 Jun 2026Catalyst BrandsContract signed, 26 May 2026Deployments of these use cases; none names this model.
BMW (Spartanburg plant)In production, 30 Jun 2026Catalyst BrandsContract signed, 26 May 2026Deployments of these use cases; none names this model.Organisations 1
Sources
- arxiv.org/abs/2605.02881 https://arxiv.org/abs/2605.02881
- huggingface.co/allenai/MolmoAct2 https://huggingface.co/allenai/MolmoAct2
- huggingface.co/api/models?pipeline_tag=robotics&sort=downloa... https://huggingface.co/api/models?pipeline_tag=robotics&sort=downloads&limit=50
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "MolmoAct2", https://aurion.semai.id/models/allen-ai-molmoact2/, records of October 2026.