diff --git a/pyproject.toml b/pyproject.toml
index 018c6fee5..49235e874 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "truss"
-version = "0.9.15rc20"
+version = "0.9.15rc22"
 description = "A seamless bridge from model development to model delivery"
 license = "MIT"
 readme = "README.md"
diff --git a/truss-chains/truss_chains/deploy.py b/truss-chains/truss_chains/deploy.py
index 977732ace..1a92c84b6 100644
--- a/truss-chains/truss_chains/deploy.py
+++ b/truss-chains/truss_chains/deploy.py
@@ -46,6 +46,7 @@ def _deploy_to_baseten(
         trusted=True,
         publish=options.publish,
         promote=options.promote,
+        origin=b10_types.ModelOrigin.CHAINS,
     )
     return cast(b10_service.BasetenService, service)
 
diff --git a/truss/remote/baseten/api.py b/truss/remote/baseten/api.py
index 9130df78e..6c990ff96 100644
--- a/truss/remote/baseten/api.py
+++ b/truss/remote/baseten/api.py
@@ -108,6 +108,7 @@ def create_model_from_truss(
         client_version: str,
         is_trusted: bool,
         deployment_name: Optional[str] = None,
+        origin: Optional[b10_types.ModelOrigin] = None,
     ):
         query_string = f"""
         mutation {{
@@ -119,6 +120,7 @@ def create_model_from_truss(
                 client_version: "{client_version}",
                 is_trusted: {'true' if is_trusted else 'false'},
                 {f'version_name: "{deployment_name}"' if deployment_name else ""}
+                {f'model_origin: {origin.value}' if origin else ""}
             ) {{
                 id,
                 name,
@@ -126,6 +128,7 @@ def create_model_from_truss(
             }}
         }}
         """
+
         resp = self._post_graphql_query(query_string)
         return resp["data"]["create_model_from_truss"]
 
@@ -158,6 +161,7 @@ def create_model_version_from_truss(
             }}
         }}
         """
+
         resp = self._post_graphql_query(query_string)
         return resp["data"]["create_model_version_from_truss"]
 
@@ -168,6 +172,7 @@ def create_development_model_from_truss(
         config,
         client_version,
         is_trusted=False,
+        origin: Optional[b10_types.ModelOrigin] = None,
     ):
         query_string = f"""
         mutation {{
@@ -175,7 +180,8 @@ def create_development_model_from_truss(
                     s3_key: "{s3_key}",
                     config: "{config}",
                     client_version: "{client_version}",
-                    is_trusted: {'true' if is_trusted else 'false'}
+                    is_trusted: {'true' if is_trusted else 'false'},
+                    {f'model_origin: {origin.value}' if origin else ""}
     ) {{
             id,
             name,
diff --git a/truss/remote/baseten/core.py b/truss/remote/baseten/core.py
index 1c5594035..832db79ba 100644
--- a/truss/remote/baseten/core.py
+++ b/truss/remote/baseten/core.py
@@ -204,6 +204,7 @@ def create_truss_service(
     is_draft: Optional[bool] = False,
     model_id: Optional[str] = None,
     deployment_name: Optional[str] = None,
+    origin: Optional[b10_types.ModelOrigin] = None,
 ) -> Tuple[str, str]:
     """
     Create a model in the Baseten remote.
@@ -229,6 +230,7 @@ def create_truss_service(
             config,
             f"truss=={truss.version()}",
             is_trusted,
+            origin=origin,
         )
 
         return (model_version_json["id"], model_version_json["version_id"])
@@ -242,6 +244,7 @@ def create_truss_service(
             client_version=f"truss=={truss.version()}",
             is_trusted=is_trusted,
             deployment_name=deployment_name,
+            origin=origin,
         )
         return (model_version_json["id"], model_version_json["version_id"])
 
diff --git a/truss/remote/baseten/remote.py b/truss/remote/baseten/remote.py
index 25ba28a4f..fce7b297b 100644
--- a/truss/remote/baseten/remote.py
+++ b/truss/remote/baseten/remote.py
@@ -8,6 +8,7 @@
 import yaml
 from requests import ReadTimeout
 from truss.local.local_config_handler import LocalConfigHandler
+from truss.remote.baseten import types as b10_types
 from truss.remote.baseten.api import BasetenApi
 from truss.remote.baseten.auth import AuthService
 from truss.remote.baseten.core import (
@@ -28,7 +29,6 @@
 )
 from truss.remote.baseten.error import ApiError
 from truss.remote.baseten.service import BasetenService
-from truss.remote.baseten.types import ChainletData
 from truss.remote.baseten.utils.transfer import base64_encoded_json_str
 from truss.remote.truss_remote import TrussRemote
 from truss.truss_config import ModelServer
@@ -48,8 +48,12 @@ def api(self) -> BasetenApi:
         return self._api
 
     def create_chain(
-        self, chain_name: str, chainlets: List[ChainletData], publish: bool = False
+        self,
+        chain_name: str,
+        chainlets: List[b10_types.ChainletData],
+        publish: bool = False,
     ) -> str:
+
         chain_id = get_chain_id_by_name(self._api, chain_name)
         return create_chain(
             self._api,
@@ -68,6 +72,7 @@ def push(  # type: ignore
         promote: bool = False,
         preserve_previous_prod_deployment: bool = False,
         deployment_name: Optional[str] = None,
+        origin: Optional[b10_types.ModelOrigin] = None,
     ) -> BasetenService:
         if model_name.isspace():
             raise ValueError("Model name cannot be empty")
@@ -117,6 +122,7 @@ def push(  # type: ignore
             promote=promote,
             preserve_previous_prod_deployment=preserve_previous_prod_deployment,
             deployment_name=deployment_name,
+            origin=origin,
         )
 
         return BasetenService(
diff --git a/truss/remote/baseten/types.py b/truss/remote/baseten/types.py
index 1331ab61f..b8e196e3a 100644
--- a/truss/remote/baseten/types.py
+++ b/truss/remote/baseten/types.py
@@ -1,3 +1,5 @@
+from enum import Enum
+
 import pydantic
 
 
@@ -5,3 +7,8 @@ class ChainletData(pydantic.BaseModel):
     name: str
     oracle_version_id: str
     is_entrypoint: bool
+
+
+class ModelOrigin(Enum):
+    BASETEN = "BASETEN"
+    CHAINS = "CHAINS"