diff --git a/.stats.yml b/.stats.yml
index 651c6c04..0dbcbc11 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 20
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/structify%2Fstructify-aa1bdd07a9fcf09044a5dae55e26b5bf3fcd742b8f3a86e1e815f67c45cf5030.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/structify%2Fstructify-2988f1610b40c428d0b457b5b596f5ca80d371daf3e99ef0317dad31d8f2dfa3.yml
diff --git a/src/structify/resources/structure/run.py b/src/structify/resources/structure/run.py
index 1ff3c950..1adfde3e 100644
--- a/src/structify/resources/structure/run.py
+++ b/src/structify/resources/structure/run.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from typing import Optional, overload
+from typing_extensions import Literal
 
 import httpx
 
@@ -44,7 +45,7 @@ def create(
         dataset_name: str,
         text: run_create_params.Variant0Text,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -77,7 +78,7 @@ def create(
         dataset_name: str,
         document: run_create_params.Variant1Document,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -110,7 +111,7 @@ def create(
         dataset_name: str,
         web: run_create_params.Variant2Web,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -143,7 +144,7 @@ def create(
         dataset_name: str,
         sec_filing: run_create_params.Variant3SecFiling,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -178,7 +179,7 @@ def create(
         dataset_name: str,
         text: run_create_params.Variant0Text | NotGiven = NOT_GIVEN,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         document: run_create_params.Variant1Document | NotGiven = NOT_GIVEN,
         web: run_create_params.Variant2Web | NotGiven = NOT_GIVEN,
         sec_filing: run_create_params.Variant3SecFiling | NotGiven = NOT_GIVEN,
@@ -234,7 +235,7 @@ async def create(
         dataset_name: str,
         text: run_create_params.Variant0Text,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -267,7 +268,7 @@ async def create(
         dataset_name: str,
         document: run_create_params.Variant1Document,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -300,7 +301,7 @@ async def create(
         dataset_name: str,
         web: run_create_params.Variant2Web,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -333,7 +334,7 @@ async def create(
         dataset_name: str,
         sec_filing: run_create_params.Variant3SecFiling,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -368,7 +369,7 @@ async def create(
         dataset_name: str,
         text: run_create_params.Variant0Text | NotGiven = NOT_GIVEN,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         document: run_create_params.Variant1Document | NotGiven = NOT_GIVEN,
         web: run_create_params.Variant2Web | NotGiven = NOT_GIVEN,
         sec_filing: run_create_params.Variant3SecFiling | NotGiven = NOT_GIVEN,
diff --git a/src/structify/resources/structure/run_async.py b/src/structify/resources/structure/run_async.py
index 1984aad4..84cb7676 100644
--- a/src/structify/resources/structure/run_async.py
+++ b/src/structify/resources/structure/run_async.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from typing import Optional, overload
+from typing_extensions import Literal
 
 import httpx
 
@@ -44,7 +45,7 @@ def create(
         dataset_name: str,
         text: run_async_create_params.Variant0Text,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -76,7 +77,7 @@ def create(
         dataset_name: str,
         document: run_async_create_params.Variant1Document,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -108,7 +109,7 @@ def create(
         dataset_name: str,
         web: run_async_create_params.Variant2Web,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -140,7 +141,7 @@ def create(
         dataset_name: str,
         sec_filing: run_async_create_params.Variant3SecFiling,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -174,7 +175,7 @@ def create(
         dataset_name: str,
         text: run_async_create_params.Variant0Text | NotGiven = NOT_GIVEN,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         document: run_async_create_params.Variant1Document | NotGiven = NOT_GIVEN,
         web: run_async_create_params.Variant2Web | NotGiven = NOT_GIVEN,
         sec_filing: run_async_create_params.Variant3SecFiling | NotGiven = NOT_GIVEN,
@@ -230,7 +231,7 @@ async def create(
         dataset_name: str,
         text: run_async_create_params.Variant0Text,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -262,7 +263,7 @@ async def create(
         dataset_name: str,
         document: run_async_create_params.Variant1Document,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -294,7 +295,7 @@ async def create(
         dataset_name: str,
         web: run_async_create_params.Variant2Web,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -326,7 +327,7 @@ async def create(
         dataset_name: str,
         sec_filing: run_async_create_params.Variant3SecFiling,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
         # The extra values given here take precedence over values defined on the client or passed to this method.
         extra_headers: Headers | None = None,
@@ -360,7 +361,7 @@ async def create(
         dataset_name: str,
         text: run_async_create_params.Variant0Text | NotGiven = NOT_GIVEN,
         custom_instruction: Optional[str] | NotGiven = NOT_GIVEN,
-        llm: Optional[object] | NotGiven = NOT_GIVEN,
+        llm: Optional[Literal["Gpt4V", "Structify", "Human"]] | NotGiven = NOT_GIVEN,
         document: run_async_create_params.Variant1Document | NotGiven = NOT_GIVEN,
         web: run_async_create_params.Variant2Web | NotGiven = NOT_GIVEN,
         sec_filing: run_async_create_params.Variant3SecFiling | NotGiven = NOT_GIVEN,
diff --git a/src/structify/types/structure/run_async_create_params.py b/src/structify/types/structure/run_async_create_params.py
index c56a5dad..c7bdcbb4 100644
--- a/src/structify/types/structure/run_async_create_params.py
+++ b/src/structify/types/structure/run_async_create_params.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from typing import Union, Optional
-from typing_extensions import Required, Annotated, TypedDict
+from typing_extensions import Literal, Required, Annotated, TypedDict
 
 from ..._utils import PropertyInfo
 
@@ -27,7 +27,7 @@ class Variant0(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant0Text(TypedDict, total=False):
@@ -41,7 +41,7 @@ class Variant1(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant1Document(TypedDict, total=False):
@@ -55,7 +55,7 @@ class Variant2(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant2Web(TypedDict, total=False):
@@ -71,7 +71,7 @@ class Variant3(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant3SecFiling(TypedDict, total=False):
diff --git a/src/structify/types/structure/run_create_params.py b/src/structify/types/structure/run_create_params.py
index 62f559d1..aca5c0c1 100644
--- a/src/structify/types/structure/run_create_params.py
+++ b/src/structify/types/structure/run_create_params.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from typing import Union, Optional
-from typing_extensions import Required, Annotated, TypedDict
+from typing_extensions import Literal, Required, Annotated, TypedDict
 
 from ..._utils import PropertyInfo
 
@@ -27,7 +27,7 @@ class Variant0(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant0Text(TypedDict, total=False):
@@ -41,7 +41,7 @@ class Variant1(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant1Document(TypedDict, total=False):
@@ -55,7 +55,7 @@ class Variant2(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant2Web(TypedDict, total=False):
@@ -71,7 +71,7 @@ class Variant3(TypedDict, total=False):
 
     custom_instruction: Optional[str]
 
-    llm: Optional[object]
+    llm: Optional[Literal["Gpt4V", "Structify", "Human"]]
 
 
 class Variant3SecFiling(TypedDict, total=False):
diff --git a/tests/api_resources/structure/test_run.py b/tests/api_resources/structure/test_run.py
index d9eaa000..3a265375 100644
--- a/tests/api_resources/structure/test_run.py
+++ b/tests/api_resources/structure/test_run.py
@@ -30,7 +30,7 @@ def test_method_create_with_all_params_overload_1(self, client: Structify) -> No
             dataset_name="string",
             text={"text_content": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -74,7 +74,7 @@ def test_method_create_with_all_params_overload_2(self, client: Structify) -> No
             dataset_name="string",
             document={"path": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -121,7 +121,7 @@ def test_method_create_with_all_params_overload_3(self, client: Structify) -> No
                 "starting_website": "string",
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -169,7 +169,7 @@ def test_method_create_with_all_params_overload_4(self, client: Structify) -> No
                 "year": 0,
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -217,7 +217,7 @@ async def test_method_create_with_all_params_overload_1(self, async_client: Asyn
             dataset_name="string",
             text={"text_content": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -261,7 +261,7 @@ async def test_method_create_with_all_params_overload_2(self, async_client: Asyn
             dataset_name="string",
             document={"path": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -308,7 +308,7 @@ async def test_method_create_with_all_params_overload_3(self, async_client: Asyn
                 "starting_website": "string",
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
@@ -356,7 +356,7 @@ async def test_method_create_with_all_params_overload_4(self, async_client: Asyn
                 "year": 0,
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run, path=["response"])
 
diff --git a/tests/api_resources/structure/test_run_async.py b/tests/api_resources/structure/test_run_async.py
index 9ecc154c..446926c8 100644
--- a/tests/api_resources/structure/test_run_async.py
+++ b/tests/api_resources/structure/test_run_async.py
@@ -30,7 +30,7 @@ def test_method_create_with_all_params_overload_1(self, client: Structify) -> No
             dataset_name="string",
             text={"text_content": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -74,7 +74,7 @@ def test_method_create_with_all_params_overload_2(self, client: Structify) -> No
             dataset_name="string",
             document={"path": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -121,7 +121,7 @@ def test_method_create_with_all_params_overload_3(self, client: Structify) -> No
                 "starting_website": "string",
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -169,7 +169,7 @@ def test_method_create_with_all_params_overload_4(self, client: Structify) -> No
                 "year": 0,
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -217,7 +217,7 @@ async def test_method_create_with_all_params_overload_1(self, async_client: Asyn
             dataset_name="string",
             text={"text_content": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -261,7 +261,7 @@ async def test_method_create_with_all_params_overload_2(self, async_client: Asyn
             dataset_name="string",
             document={"path": "string"},
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -308,7 +308,7 @@ async def test_method_create_with_all_params_overload_3(self, async_client: Asyn
                 "starting_website": "string",
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])
 
@@ -356,7 +356,7 @@ async def test_method_create_with_all_params_overload_4(self, async_client: Asyn
                 "year": 0,
             },
             custom_instruction="string",
-            llm={},
+            llm="Gpt4V",
         )
         assert_matches_type(object, run_async, path=["response"])