Supported Models

OpenDDE currently exposes one public model:

Model name	MSA / Constraint / RNA MSA / Template	Model Parameters (M)	Data cutoff
`opendde_v1`	✓ / × / ✓ / ✓	656	2021-09-30

Exact parameter count: 655,791,538, rounded to 656 M. opendde_v1 uses the defaults in opendde/config/model_base.py.

Use it with:

opendde pred -i examples/input.json -o ./output -n opendde_v1

Checkpoint path by default:

$OPENDDE_ROOT_DIR/checkpoint/opendde.pt

Released Checkpoints

Checkpoint	Use case	Download
`opendde.pt`	General-purpose OpenDDE checkpoint.	opendde.pt
`opendde_abag.pt`	ABAG-optimized checkpoint for antibody-antigen complexes.	opendde_abag.pt

opendde.pt is the default checkpoint for -n opendde_v1. Keep the ABAG-optimized checkpoint as opendde_abag.pt and pass it explicitly with --load_checkpoint_path.

Recommended inference defaults:

model.N_cycle = 10
sample_diffusion.N_step = 200
triangle kernels: auto

These are also the current opendde pred CLI defaults for opendde_v1.

Legacy constraint fields are ignored by the inference-only build. Use covalent_bonds for supported covalent links.