Chai Discovery
AI-for-biology company behind the Chai series of molecular structure models.
Structure prediction1 model
Models on Rafflesia
Chai-1
activeApache-2.0
Predict all-atom biomolecular complexes containing proteins, nucleic acids, ligands, and modified residues in explicit query-only alignment mode.
Structure predictionprotein_sequence + dna_sequence + rna_sequence + ligand → structure_artifact + confidence_measurements + msa_object
$0.12 / predictionAbout
Chai Discovery builds foundation models for molecular structure prediction and released Chai-1, an open-weight multi-modal structure model covering proteins, nucleic acids, and small molecules.
On Rafflesia, Chai-1 is served for production use via the runs API.
Use these models
Every endpoint speaks the same run lifecycle: POST the endpoint id and a typed input, get a run back with outputs, provenance, and measured billing.
run.sh
# one run lifecycle, every endpoint
curl https://api.rafflesia.ai/v1/runs \
-H "Authorization: Bearer $RAFFLESIA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"endpoint": "chaidiscovery/chai/1/fold",
"input": { "sequence": "MKTAYIAK..." }
}'