diff --git a/ml_peg/analysis/conformers/OpenFF_Tors/analyse_OpenFF_Tors.py b/ml_peg/analysis/conformers/OpenFF_Tors/analyse_OpenFF_Tors.py
new file mode 100644
index 00000000..f5df1a64
--- /dev/null
+++ b/ml_peg/analysis/conformers/OpenFF_Tors/analyse_OpenFF_Tors.py
@@ -0,0 +1,150 @@
+"""
+Analyse the OpenFF-Tors benchmark dataset for torsional angles.
+
+The Journal of Physical Chemistry B 2024 128 (32), 7888-7902.
+DOI: 10.1021/acs.jpcb.4c03167.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from ase import units
+from ase.io import read, write
+import pytest
+
+from ml_peg.analysis.utils.decorators import build_table, plot_parity
+from ml_peg.analysis.utils.utils import build_d3_name_map, load_metrics_config, mae
+from ml_peg.app import APP_ROOT
+from ml_peg.calcs import CALCS_ROOT
+from ml_peg.models.get_models import load_models
+from ml_peg.models.models import current_models
+
+MODELS = load_models(current_models)
+D3_MODEL_NAMES = build_d3_name_map(MODELS)
+
+CALC_PATH = CALCS_ROOT / "conformers" / "OpenFF_Tors" / "outputs"
+OUT_PATH = APP_ROOT / "data" / "conformers" / "OpenFF_Tors"
+
+METRICS_CONFIG_PATH = Path(__file__).with_name("metrics.yml")
+DEFAULT_THRESHOLDS, DEFAULT_TOOLTIPS, DEFAULT_WEIGHTS = load_metrics_config(
+    METRICS_CONFIG_PATH
+)
+
+EV_TO_KCAL = units.mol / units.kcal
+
+
+def labels() -> list:
+    """
+    Get list of system names.
+
+    Returns
+    -------
+    list
+        List of all system names.
+    """
+    for model_name in MODELS:
+        labels_list = [
+            path.stem for path in sorted((CALC_PATH / model_name).glob("*.xyz"))
+        ]
+        break
+    return labels_list
+
+
+@pytest.fixture
+@plot_parity(
+    filename=OUT_PATH / "figure_openff_tors.json",
+    title="Energies",
+    x_label="Predicted energy / kcal/mol",
+    y_label="Reference energy / kcal/mol",
+    hoverdata={
+        "Labels": labels(),
+    },
+)
+def conformer_energies() -> dict[str, list]:
+    """
+    Get conformer energies for all systems.
+
+    Returns
+    -------
+    dict[str, list]
+        Dictionary of all reference and predicted barrier heights.
+    """
+    results = {"ref": []} | {mlip: [] for mlip in MODELS}
+    ref_stored = False
+
+    for model_name in MODELS:
+        for label in labels():
+            atoms = read(CALC_PATH / model_name / f"{label}.xyz")
+
+            results[model_name].append(atoms.info["model_rel_energy"] * EV_TO_KCAL)
+            if not ref_stored:
+                results["ref"].append(atoms.info["ref_rel_energy"] * EV_TO_KCAL)
+
+            # Write structures for app
+            structs_dir = OUT_PATH / model_name
+            structs_dir.mkdir(parents=True, exist_ok=True)
+            write(structs_dir / f"{label}.xyz", atoms)
+        ref_stored = True
+    return results
+
+
+@pytest.fixture
+def get_mae(conformer_energies) -> dict[str, float]:
+    """
+    Get mean absolute error for conformer energies.
+
+    Parameters
+    ----------
+    conformer_energies
+        Dictionary of reference and predicted conformer energies.
+
+    Returns
+    -------
+    dict[str, float]
+        Dictionary of predicted conformer energies errors for all models.
+    """
+    results = {}
+    for model_name in MODELS:
+        results[model_name] = mae(
+            conformer_energies["ref"], conformer_energies[model_name]
+        )
+    return results
+
+
+@pytest.fixture
+@build_table(
+    filename=OUT_PATH / "openff_tors_metrics_table.json",
+    metric_tooltips=DEFAULT_TOOLTIPS,
+    thresholds=DEFAULT_THRESHOLDS,
+    mlip_name_map=D3_MODEL_NAMES,
+)
+def metrics(get_mae: dict[str, float]) -> dict[str, dict]:
+    """
+    Get all metrics.
+
+    Parameters
+    ----------
+    get_mae
+        Mean absolute errors for all models.
+
+    Returns
+    -------
+    dict[str, dict]
+        Metric names and values for all models.
+    """
+    return {
+        "MAE": get_mae,
+    }
+
+
+def test_openff_tors(metrics: dict[str, dict]) -> None:
+    """
+    Run OpenFF-Tors test.
+
+    Parameters
+    ----------
+    metrics
+        All new benchmark metric names and dictionary of values for each model.
+    """
+    return
diff --git a/ml_peg/analysis/conformers/OpenFF_Tors/metrics.yml b/ml_peg/analysis/conformers/OpenFF_Tors/metrics.yml
new file mode 100644
index 00000000..033d1a57
--- /dev/null
+++ b/ml_peg/analysis/conformers/OpenFF_Tors/metrics.yml
@@ -0,0 +1,7 @@
+metrics:
+  MAE:
+    good: 0.0
+    bad: 20.0
+    unit: kcal/mol
+    tooltip: Mean Absolute Error for all systems
+    level_of_theory: CCSD(T)
diff --git a/ml_peg/app/conformers/OpenFF_Tors/app_OpenFF_Tors.py b/ml_peg/app/conformers/OpenFF_Tors/app_OpenFF_Tors.py
new file mode 100644
index 00000000..1051bffa
--- /dev/null
+++ b/ml_peg/app/conformers/OpenFF_Tors/app_OpenFF_Tors.py
@@ -0,0 +1,90 @@
+"""Run OpenFF-Tors app."""
+
+from __future__ import annotations
+
+from dash import Dash
+from dash.html import Div
+
+from ml_peg.app import APP_ROOT
+from ml_peg.app.base_app import BaseApp
+from ml_peg.app.utils.build_callbacks import (
+    plot_from_table_column,
+    struct_from_scatter,
+)
+from ml_peg.app.utils.load import read_plot
+from ml_peg.models.get_models import get_model_names
+from ml_peg.models.models import current_models
+
+MODELS = get_model_names(current_models)
+BENCHMARK_NAME = "OpenFF-Tors"
+DOCS_URL = (
+    "https://ddmms.github.io/ml-peg/user_guide/benchmarks/conformers.html#openff-tors"
+)
+DATA_PATH = APP_ROOT / "data" / "conformers" / "OpenFF_Tors"
+
+
+class OpenFFTorsApp(BaseApp):
+    """OpenFF-Tors benchmark app layout and callbacks."""
+
+    def register_callbacks(self) -> None:
+        """Register callbacks to app."""
+        scatter = read_plot(
+            DATA_PATH / "figure_openff_tors.json",
+            id=f"{BENCHMARK_NAME}-figure",
+        )
+
+        model_dir = DATA_PATH / MODELS[0]
+        if model_dir.exists():
+            labels = sorted([f.stem for f in model_dir.glob("*.xyz")])
+            structs = [
+                f"assets/conformers/OpenFF_Tors/{MODELS[0]}/{label}.xyz"
+                for label in labels
+            ]
+        else:
+            structs = []
+
+        plot_from_table_column(
+            table_id=self.table_id,
+            plot_id=f"{BENCHMARK_NAME}-figure-placeholder",
+            column_to_plot={"MAE": scatter},
+        )
+
+        struct_from_scatter(
+            scatter_id=f"{BENCHMARK_NAME}-figure",
+            struct_id=f"{BENCHMARK_NAME}-struct-placeholder",
+            structs=structs,
+            mode="struct",
+        )
+
+
+def get_app() -> OpenFFTorsApp:
+    """
+    Get OpenFF-Tors benchmark app layout and callback registration.
+
+    Returns
+    -------
+    OpenFFTorsApp
+        Benchmark layout and callback registration.
+    """
+    return OpenFFTorsApp(
+        name=BENCHMARK_NAME,
+        description=(
+            "Performance in predicting torsional energy profiles for the "
+            "OpenFF-Tors torsional profiles benchmark. "
+            "Reference data from CCSD(T) calculations."
+        ),
+        docs_url=DOCS_URL,
+        table_path=DATA_PATH / "openff_tors_metrics_table.json",
+        extra_components=[
+            Div(id=f"{BENCHMARK_NAME}-figure-placeholder"),
+            Div(id=f"{BENCHMARK_NAME}-struct-placeholder"),
+        ],
+    )
+
+
+if __name__ == "__main__":
+    full_app = Dash(__name__, assets_folder=DATA_PATH.parent.parent)
+    benchmark_app = get_app()
+    full_app.layout = benchmark_app.layout
+    benchmark_app.register_callbacks()
+    full_app.run(port=8068, debug=True)
diff --git a/ml_peg/calcs/conformers/OpenFF_Tors/calc_OpenFF_Tors.py b/ml_peg/calcs/conformers/OpenFF_Tors/calc_OpenFF_Tors.py
new file mode 100644
index 00000000..477e5d61
--- /dev/null
+++ b/ml_peg/calcs/conformers/OpenFF_Tors/calc_OpenFF_Tors.py
@@ -0,0 +1,125 @@
+"""
+Calculate the OpenFF-Tors benchmark dataset for torsional angles.
+
+The Journal of Physical Chemistry B 2024 128 (32), 7888-7902.
+DOI: 10.1021/acs.jpcb.4c03167.
+"""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+
+from ase import Atoms, units
+from ase.io import write
+import mlipx
+from mlipx.abc import NodeWithCalculator
+import numpy as np
+from rdkit import Chem
+from tqdm import tqdm
+import zntrack
+
+from ml_peg.calcs.utils.utils import chdir, download_s3_data
+from ml_peg.models.get_models import load_models
+from ml_peg.models.models import current_models
+
+MODELS = load_models(current_models)
+
+OUT_PATH = Path(__file__).parent / "outputs"
+
+
+class OpenFFTorsBenchmark(zntrack.Node):
+    """Compute the benchmark."""
+
+    model: NodeWithCalculator = zntrack.deps()
+    model_name: str = zntrack.params()
+
+    def run(self) -> None:
+        """Run the benchmark."""
+        data_path = (
+            download_s3_data(
+                filename="OpenFF-Tors.zip",
+                key="inputs/conformers/OpenFF-Tors/OpenFF-Tors.zip",
+            )
+            / "OpenFF-Tors"
+        )
+        # Read in data and attach calculator
+        calc = self.model.get_calculator()
+        # Add D3 calculator for this test
+        calc = self.model.add_d3_calculator(calc)
+        with open(data_path / "MP2_heavy-aug-cc-pVTZ_torsiondrive_data.json") as file:
+            data = json.load(file)
+
+        for molecule_id, conf in tqdm(data.items()):
+            charge = int(conf["metadata"]["mol_charge"])
+            spin = int(conf["metadata"]["mol_multiplicity"])
+            smiles = conf["metadata"]["mapped_smiles"]
+            params = Chem.SmilesParserParams()
+            params.removeHs = False
+            mol = Chem.MolFromSmiles(smiles, params)
+            symbols = [atom.GetSymbol() for atom in mol.GetAtoms()]
+            atom_map = {
+                atom.GetIntProp("molAtomMapNumber"): idx
+                for idx, atom in enumerate(mol.GetAtoms())
+                if atom.HasProp("molAtomMapNumber")
+            }
+            remapped_symbols = [
+                symbols[atom_map[i]] for i in range(1, len(symbols) + 1)
+            ]
+
+            for i, (ref_energy, positions) in enumerate(
+                zip(conf["final_energies"], conf["final_geometries"], strict=True)
+            ):
+                label = f"{molecule_id}_{i}"
+                atoms = Atoms(
+                    symbols=remapped_symbols, positions=np.array(positions) * units.Bohr
+                )
+                atoms.info["charge"] = charge
+                atoms.info["spin"] = spin
+                atoms.calc = calc
+
+                if i == 0:
+                    e_ref_zero_conf = ref_energy * units.Hartree
+                    e_model_zero_conf = atoms.get_potential_energy()
+                else:
+                    atoms.info["ref_rel_energy"] = (
+                        ref_energy * units.Hartree - e_ref_zero_conf
+                    )
+                    atoms.info["model_rel_energy"] = (
+                        atoms.get_potential_energy() - e_model_zero_conf
+                    )
+                    write_dir = OUT_PATH / self.model_name
+                    write_dir.mkdir(parents=True, exist_ok=True)
+                    write(write_dir / f"{label}.xyz", atoms)
+
+
+def build_project(repro: bool = False) -> None:
+    """
+    Build mlipx project.
+
+    Parameters
+    ----------
+    repro
+        Whether to call dvc repro -f after building.
+    """
+    project = mlipx.Project()
+    benchmark_node_dict = {}
+
+    for model_name, model in MODELS.items():
+        with project.group(model_name):
+            benchmark = OpenFFTorsBenchmark(
+                model=model,
+                model_name=model_name,
+            )
+            benchmark_node_dict[model_name] = benchmark
+
+    if repro:
+        with chdir(Path(__file__).parent):
+            project.repro(build=True, force=True)
+    else:
+        project.build()
+
+
+def test_openff_tors():
+    """Run OpenFF-Tors benchmark via pytest."""
+    build_project(repro=True)
diff --git a/ml_peg/calcs/conformers/openff_tors/.dvc/.gitignore b/ml_peg/calcs/conformers/openff_tors/.dvc/.gitignore
new file mode 100644
index 00000000..528f30c7
--- /dev/null
+++ b/ml_peg/calcs/conformers/openff_tors/.dvc/.gitignore
@@ -0,0 +1,3 @@
+/config.local
+/tmp
+/cache
diff --git a/ml_peg/calcs/conformers/openff_tors/.dvc/config b/ml_peg/calcs/conformers/openff_tors/.dvc/config
new file mode 100644
index 00000000..e69de29b
diff --git a/ml_peg/calcs/conformers/openff_tors/.dvcignore b/ml_peg/calcs/conformers/openff_tors/.dvcignore
new file mode 100644
index 00000000..51973055
--- /dev/null
+++ b/ml_peg/calcs/conformers/openff_tors/.dvcignore
@@ -0,0 +1,3 @@
+# Add patterns of files dvc should ignore, which could improve
+# the performance. Learn more at
+# https://dvc.org/doc/user-guide/dvcignore