Does MolmoAct2 run on OpenArm?
partial
Scope: Training evidenced by public checkpoint(s); on-robot inference not documented by a primary source.
Capabilities
| Capability | State | Notes | Evidence |
|---|---|---|---|
| Train / fine-tune | works | ev-hub-ahiroakiishikawa-molmoact2-openarm | |
| Real-robot inference | no verified evidence | — | |
| Simulation inference | no verified evidence | — | |
| Teleop + record | no verified evidence | — |
Evidence 1 source; the cell shows the highest tier
- T3 · community reportedhub-checkpointverified 2026-10-24 (1d ago)
config.json type=molmoact2; train_config.json dataset aHiroakiIshikawa/openarm_mini_dual_camera_blue_sponge_0529_01_right_only_lpf_hybrid_v4 whose meta/info.json robot_type=openarm_follower (141 episodes); 100000 steps.
https://huggingface.co/aHiroakiIshikawa/molmoact2-openarm-dual-cam-sponge-v4-last
MolmoAct2 inference speed by hardware robot-independent · inference cost only
| Compute | Runtime | Precision | Cams | p50 / p95 ms | Inference | Mem | Platform | Source |
|---|---|---|---|---|---|---|---|---|
| H100 80GB | PyTorch eager | bf16 | 2 | — | — | 13 GB | lerobot 0.6.1conditionsos: Ubuntu 22.04 (repo tested with) · memory_sampling: nvidia-smi peak Inference memory only (12.1 GiB peak GPU memory = 13.0 GB); no latency reported. LIBERO with two RGB cameras, chunk_size=10, 8 flow timesteps. Not task success. | T3 · community reported |
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[](https://caniembody.pages.dev/compat/openarm/molmoact2)<iframe src="https://caniembody.pages.dev/embed/openarm/molmoact2" width="380" height="132" style="border:0" title="MolmoAct2 on OpenArm | CanIEmbody"></iframe>History
- 2026-10-25 fecccd1 Initial release: robot policy compatibility matrix · Danilo Znamerovszkij