diff --git a/src/openlayer/lib/data/commit.py b/src/openlayer/lib/data/commit.py
new file mode 100644
index 00000000..e94e8ff7
--- /dev/null
+++ b/src/openlayer/lib/data/commit.py
@@ -0,0 +1,48 @@
+"""Pushes a commit to the Openlayer platform."""
+
+import os
+import tarfile
+import tempfile
+from typing import Optional
+
+
+from ... import Openlayer
+from . import StorageType, _upload
+
+
+def push(
+    client: Openlayer,
+    directory: str,
+    project_id: str,
+    message: str = "New commit",
+    storage_type: Optional[StorageType] = None,
+) -> None:
+    """Push a new commit to the Openlayer platform.
+
+    This is equivalent to running `openlayer push` from the Openlayer CLI."""
+    if not os.path.exists(directory):
+        raise ValueError(f"Directory {directory} does not exist.")
+
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        tar_file_path = os.path.join(tmp_dir, "bundle.tar")
+        with tarfile.open(tar_file_path, mode="w") as tar:
+            tar.add(directory, arcname=os.path.basename(directory))
+
+        # Upload tar storage
+        uploader = _upload.Uploader(client, storage_type)
+        object_name = "bundle.tar"
+        presigned_url_response = client.storage.presigned_url.create(
+            object_name=object_name,
+        )
+        uploader.upload(
+            file_path=tar_file_path,
+            object_name=object_name,
+            presigned_url_response=presigned_url_response,
+        )
+
+    # Create the project version (commit)
+    client.projects.commits.create(
+        project_id=project_id,
+        commit={"message": message, "source": "cli"},
+        storage_uri=presigned_url_response.storage_uri,
+    )