Molecular render representing OpenFold3

OpenFold3

Open-source AlphaFold3 reproduction at near parity

OpenFold3 reproduces the AlphaFold3 biomolecular co-folding system as fully open-source code with released training data and procedures. It predicts protein complexes with nucleic acids, ligands and modifications at accuracy close to the original. A reference implementation for academic groups needing transparent, modifiable complex prediction.

OpenFold3 is live on MolPilot — paste a sequence and press Fold.

At a glance

Input
Sequences and ligands (FASTA, SDF)
Output
All-atom complex (mmCIF)
Developed by
OpenFold Consortium
Published
OpenFold Consortium, 2025 · 2025
#open-source#co-folding#reproduction