diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d52d2b9..3b07edf 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.13.0"
+  ".": "0.13.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 37e3c10..68bc079 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 7
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/groqcloud%2Fgroqcloud-98874226a7dcad763f5fb96534de25a43f9187733a5293fa278b0b61bf71a9b3.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/groqcloud%2Fgroqcloud-a711d22c2283945608fc5ab6a399805da8961d6b9e0e068637d389ed611230c0.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a780cb0..642eec5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## 0.13.1 (2024-12-14)
+
+Full Changelog: [v0.13.0...v0.13.1](https://github.com/groq/groq-python/compare/v0.13.0...v0.13.1)
+
+### Chores
+
+* **internal:** add support for TypeAliasType ([#153](https://github.com/groq/groq-python/issues/153)) ([c5ca4fc](https://github.com/groq/groq-python/commit/c5ca4fc7c1ced7e49f06d05e67924f702e5e021d))
+* **internal:** bump pydantic dependency ([#150](https://github.com/groq/groq-python/issues/150)) ([63e5754](https://github.com/groq/groq-python/commit/63e5754857bcbc137350971520cf9997e4d78da3))
+* **internal:** bump pyright ([#145](https://github.com/groq/groq-python/issues/145)) ([8f2b3a0](https://github.com/groq/groq-python/commit/8f2b3a0d70dad49b652a61f549979c1c5125d9d4))
+* **internal:** bump pyright ([#152](https://github.com/groq/groq-python/issues/152)) ([75476cd](https://github.com/groq/groq-python/commit/75476cd26c33e48220ab8760e129cd3f70413df5))
+* **internal:** codegen related update ([#154](https://github.com/groq/groq-python/issues/154)) ([db44bd6](https://github.com/groq/groq-python/commit/db44bd6adfb1eddfee9ee06cc63d4c594713eebc))
+* **internal:** codegen related update ([#155](https://github.com/groq/groq-python/issues/155)) ([7f303c3](https://github.com/groq/groq-python/commit/7f303c31dbebfe97b97388ff7f29238fc917da43))
+* **internal:** updated imports ([#156](https://github.com/groq/groq-python/issues/156)) ([3f41c12](https://github.com/groq/groq-python/commit/3f41c12bd36e13eba37d2bd7fd4f3f595bda4602))
+* make the `Omit` type public ([#147](https://github.com/groq/groq-python/issues/147)) ([0613ae1](https://github.com/groq/groq-python/commit/0613ae1e9f9dede7cb951d2d0591017894576b3a))
+
+
+### Documentation
+
+* **readme:** fix http client proxies example ([#151](https://github.com/groq/groq-python/issues/151)) ([b858c4f](https://github.com/groq/groq-python/commit/b858c4f742bdd7aae79f17981cb9d3b001ed009b))
+
 ## 0.13.0 (2024-11-28)
 
 Full Changelog: [v0.12.0...v0.13.0](https://github.com/groq/groq-python/compare/v0.12.0...v0.13.0)
diff --git a/README.md b/README.md
index 1a2e494..9c36bbb 100644
--- a/README.md
+++ b/README.md
@@ -335,18 +335,19 @@ can also get all the extra fields on the Pydantic model as a dict with
 
 You can directly override the [httpx client](https://www.python-httpx.org/api/#client) to customize it for your use case, including:
 
-- Support for proxies
-- Custom transports
+- Support for [proxies](https://www.python-httpx.org/advanced/proxies/)
+- Custom [transports](https://www.python-httpx.org/advanced/transports/)
 - Additional [advanced](https://www.python-httpx.org/advanced/clients/) functionality
 
 ```python
+import httpx
 from groq import Groq, DefaultHttpxClient
 
 client = Groq(
     # Or use the `GROQ_BASE_URL` env var
     base_url="http://my.test.server.example.com:8083",
     http_client=DefaultHttpxClient(
-        proxies="http://my.test.proxy.example.com",
+        proxy="http://my.test.proxy.example.com",
         transport=httpx.HTTPTransport(local_address="0.0.0.0"),
     ),
 )
diff --git a/pyproject.toml b/pyproject.toml
index 236b8a1..478101e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "groq"
-version = "0.13.0"
+version = "0.13.1"
 description = "The official Python library for the groq API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -10,7 +10,7 @@ authors = [
 dependencies = [
     "httpx>=0.23.0, <1",
     "pydantic>=1.9.0, <3",
-    "typing-extensions>=4.7, <5",
+    "typing-extensions>=4.10, <5",
     "anyio>=3.5.0, <5",
     "distro>=1.7.0, <2",
     "sniffio",
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 5ac9e92..5b05eb3 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -62,13 +62,13 @@ platformdirs==3.11.0
     # via virtualenv
 pluggy==1.5.0
     # via pytest
-pydantic==2.9.2
+pydantic==2.10.3
     # via groq
-pydantic-core==2.23.4
+pydantic-core==2.27.1
     # via pydantic
 pygments==2.18.0
     # via rich
-pyright==1.1.380
+pyright==1.1.390
 pytest==8.3.3
     # via pytest-asyncio
 pytest-asyncio==0.24.0
@@ -97,6 +97,7 @@ typing-extensions==4.12.2
     # via mypy
     # via pydantic
     # via pydantic-core
+    # via pyright
 virtualenv==20.24.5
     # via nox
 zipp==3.17.0
diff --git a/requirements.lock b/requirements.lock
index d2a8ddb..3d7e46b 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -30,9 +30,9 @@ httpx==0.25.2
 idna==3.4
     # via anyio
     # via httpx
-pydantic==2.9.2
+pydantic==2.10.3
     # via groq
-pydantic-core==2.23.4
+pydantic-core==2.27.1
     # via pydantic
 sniffio==1.3.0
     # via anyio
diff --git a/src/groq/__init__.py b/src/groq/__init__.py
index 25f858e..07f77a6 100644
--- a/src/groq/__init__.py
+++ b/src/groq/__init__.py
@@ -1,7 +1,7 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 from . import types
-from ._types import NOT_GIVEN, NoneType, NotGiven, Transport, ProxiesTypes
+from ._types import NOT_GIVEN, Omit, NoneType, NotGiven, Transport, ProxiesTypes
 from ._utils import file_from_path
 from ._client import Groq, Client, Stream, Timeout, AsyncGroq, Transport, AsyncClient, AsyncStream, RequestOptions
 from ._models import BaseModel
@@ -36,6 +36,7 @@
     "ProxiesTypes",
     "NotGiven",
     "NOT_GIVEN",
+    "Omit",
     "GroqError",
     "APIError",
     "APIStatusError",
diff --git a/src/groq/_client.py b/src/groq/_client.py
index 87f6486..f8d0c19 100644
--- a/src/groq/_client.py
+++ b/src/groq/_client.py
@@ -8,7 +8,7 @@
 
 import httpx
 
-from . import resources, _exceptions
+from . import _exceptions
 from ._qs import Querystring
 from ._types import (
     NOT_GIVEN,
@@ -24,6 +24,7 @@
     get_async_library,
 )
 from ._version import __version__
+from .resources import models, embeddings
 from ._streaming import Stream as Stream, AsyncStream as AsyncStream
 from ._exceptions import GroqError, APIStatusError
 from ._base_client import (
@@ -31,25 +32,17 @@
     SyncAPIClient,
     AsyncAPIClient,
 )
+from .resources.chat import chat
+from .resources.audio import audio
 
-__all__ = [
-    "Timeout",
-    "Transport",
-    "ProxiesTypes",
-    "RequestOptions",
-    "resources",
-    "Groq",
-    "AsyncGroq",
-    "Client",
-    "AsyncClient",
-]
+__all__ = ["Timeout", "Transport", "ProxiesTypes", "RequestOptions", "Groq", "AsyncGroq", "Client", "AsyncClient"]
 
 
 class Groq(SyncAPIClient):
-    chat: resources.Chat
-    embeddings: resources.Embeddings
-    audio: resources.Audio
-    models: resources.Models
+    chat: chat.Chat
+    embeddings: embeddings.Embeddings
+    audio: audio.Audio
+    models: models.Models
     with_raw_response: GroqWithRawResponse
     with_streaming_response: GroqWithStreamedResponse
 
@@ -107,10 +100,10 @@ def __init__(
             _strict_response_validation=_strict_response_validation,
         )
 
-        self.chat = resources.Chat(self)
-        self.embeddings = resources.Embeddings(self)
-        self.audio = resources.Audio(self)
-        self.models = resources.Models(self)
+        self.chat = chat.Chat(self)
+        self.embeddings = embeddings.Embeddings(self)
+        self.audio = audio.Audio(self)
+        self.models = models.Models(self)
         self.with_raw_response = GroqWithRawResponse(self)
         self.with_streaming_response = GroqWithStreamedResponse(self)
 
@@ -220,10 +213,10 @@ def _make_status_error(
 
 
 class AsyncGroq(AsyncAPIClient):
-    chat: resources.AsyncChat
-    embeddings: resources.AsyncEmbeddings
-    audio: resources.AsyncAudio
-    models: resources.AsyncModels
+    chat: chat.AsyncChat
+    embeddings: embeddings.AsyncEmbeddings
+    audio: audio.AsyncAudio
+    models: models.AsyncModels
     with_raw_response: AsyncGroqWithRawResponse
     with_streaming_response: AsyncGroqWithStreamedResponse
 
@@ -281,10 +274,10 @@ def __init__(
             _strict_response_validation=_strict_response_validation,
         )
 
-        self.chat = resources.AsyncChat(self)
-        self.embeddings = resources.AsyncEmbeddings(self)
-        self.audio = resources.AsyncAudio(self)
-        self.models = resources.AsyncModels(self)
+        self.chat = chat.AsyncChat(self)
+        self.embeddings = embeddings.AsyncEmbeddings(self)
+        self.audio = audio.AsyncAudio(self)
+        self.models = models.AsyncModels(self)
         self.with_raw_response = AsyncGroqWithRawResponse(self)
         self.with_streaming_response = AsyncGroqWithStreamedResponse(self)
 
@@ -395,34 +388,34 @@ def _make_status_error(
 
 class GroqWithRawResponse:
     def __init__(self, client: Groq) -> None:
-        self.chat = resources.ChatWithRawResponse(client.chat)
-        self.embeddings = resources.EmbeddingsWithRawResponse(client.embeddings)
-        self.audio = resources.AudioWithRawResponse(client.audio)
-        self.models = resources.ModelsWithRawResponse(client.models)
+        self.chat = chat.ChatWithRawResponse(client.chat)
+        self.embeddings = embeddings.EmbeddingsWithRawResponse(client.embeddings)
+        self.audio = audio.AudioWithRawResponse(client.audio)
+        self.models = models.ModelsWithRawResponse(client.models)
 
 
 class AsyncGroqWithRawResponse:
     def __init__(self, client: AsyncGroq) -> None:
-        self.chat = resources.AsyncChatWithRawResponse(client.chat)
-        self.embeddings = resources.AsyncEmbeddingsWithRawResponse(client.embeddings)
-        self.audio = resources.AsyncAudioWithRawResponse(client.audio)
-        self.models = resources.AsyncModelsWithRawResponse(client.models)
+        self.chat = chat.AsyncChatWithRawResponse(client.chat)
+        self.embeddings = embeddings.AsyncEmbeddingsWithRawResponse(client.embeddings)
+        self.audio = audio.AsyncAudioWithRawResponse(client.audio)
+        self.models = models.AsyncModelsWithRawResponse(client.models)
 
 
 class GroqWithStreamedResponse:
     def __init__(self, client: Groq) -> None:
-        self.chat = resources.ChatWithStreamingResponse(client.chat)
-        self.embeddings = resources.EmbeddingsWithStreamingResponse(client.embeddings)
-        self.audio = resources.AudioWithStreamingResponse(client.audio)
-        self.models = resources.ModelsWithStreamingResponse(client.models)
+        self.chat = chat.ChatWithStreamingResponse(client.chat)
+        self.embeddings = embeddings.EmbeddingsWithStreamingResponse(client.embeddings)
+        self.audio = audio.AudioWithStreamingResponse(client.audio)
+        self.models = models.ModelsWithStreamingResponse(client.models)
 
 
 class AsyncGroqWithStreamedResponse:
     def __init__(self, client: AsyncGroq) -> None:
-        self.chat = resources.AsyncChatWithStreamingResponse(client.chat)
-        self.embeddings = resources.AsyncEmbeddingsWithStreamingResponse(client.embeddings)
-        self.audio = resources.AsyncAudioWithStreamingResponse(client.audio)
-        self.models = resources.AsyncModelsWithStreamingResponse(client.models)
+        self.chat = chat.AsyncChatWithStreamingResponse(client.chat)
+        self.embeddings = embeddings.AsyncEmbeddingsWithStreamingResponse(client.embeddings)
+        self.audio = audio.AsyncAudioWithStreamingResponse(client.audio)
+        self.models = models.AsyncModelsWithStreamingResponse(client.models)
 
 
 Client = Groq
diff --git a/src/groq/_models.py b/src/groq/_models.py
index 6cb469e..7a547ce 100644
--- a/src/groq/_models.py
+++ b/src/groq/_models.py
@@ -46,6 +46,7 @@
     strip_not_given,
     extract_type_arg,
     is_annotated_type,
+    is_type_alias_type,
     strip_annotated_type,
 )
 from ._compat import (
@@ -428,6 +429,8 @@ def construct_type(*, value: object, type_: object) -> object:
     # we allow `object` as the input type because otherwise, passing things like
     # `Literal['value']` will be reported as a type error by type checkers
     type_ = cast("type[object]", type_)
+    if is_type_alias_type(type_):
+        type_ = type_.__value__  # type: ignore[unreachable]
 
     # unwrap `Annotated[T, ...]` -> `T`
     if is_annotated_type(type_):
diff --git a/src/groq/_response.py b/src/groq/_response.py
index 95a0361..d28f5ad 100644
--- a/src/groq/_response.py
+++ b/src/groq/_response.py
@@ -25,7 +25,7 @@
 import pydantic
 
 from ._types import NoneType
-from ._utils import is_given, extract_type_arg, is_annotated_type, extract_type_var_from_base
+from ._utils import is_given, extract_type_arg, is_annotated_type, is_type_alias_type, extract_type_var_from_base
 from ._models import BaseModel, is_basemodel
 from ._constants import RAW_RESPONSE_HEADER, OVERRIDE_CAST_TO_HEADER
 from ._streaming import Stream, AsyncStream, is_stream_class_type, extract_stream_chunk_type
@@ -126,9 +126,15 @@ def __repr__(self) -> str:
         )
 
     def _parse(self, *, to: type[_T] | None = None) -> R | _T:
+        cast_to = to if to is not None else self._cast_to
+
+        # unwrap `TypeAlias('Name', T)` -> `T`
+        if is_type_alias_type(cast_to):
+            cast_to = cast_to.__value__  # type: ignore[unreachable]
+
         # unwrap `Annotated[T, ...]` -> `T`
-        if to and is_annotated_type(to):
-            to = extract_type_arg(to, 0)
+        if cast_to and is_annotated_type(cast_to):
+            cast_to = extract_type_arg(cast_to, 0)
 
         if self._is_sse_stream:
             if to:
@@ -164,18 +170,12 @@ def _parse(self, *, to: type[_T] | None = None) -> R | _T:
             return cast(
                 R,
                 stream_cls(
-                    cast_to=self._cast_to,
+                    cast_to=cast_to,
                     response=self.http_response,
                     client=cast(Any, self._client),
                 ),
             )
 
-        cast_to = to if to is not None else self._cast_to
-
-        # unwrap `Annotated[T, ...]` -> `T`
-        if is_annotated_type(cast_to):
-            cast_to = extract_type_arg(cast_to, 0)
-
         if cast_to is NoneType:
             return cast(R, None)
 
diff --git a/src/groq/_types.py b/src/groq/_types.py
index 453e1a0..49ec28a 100644
--- a/src/groq/_types.py
+++ b/src/groq/_types.py
@@ -192,10 +192,8 @@ def get(self, __key: str) -> str | None: ...
 StrBytesIntFloat = Union[str, bytes, int, float]
 
 # Note: copied from Pydantic
-# https://github.com/pydantic/pydantic/blob/32ea570bf96e84234d2992e1ddf40ab8a565925a/pydantic/main.py#L49
-IncEx: TypeAlias = Union[
-    Set[int], Set[str], Mapping[int, Union["IncEx", Literal[True]]], Mapping[str, Union["IncEx", Literal[True]]]
-]
+# https://github.com/pydantic/pydantic/blob/6f31f8f68ef011f84357330186f603ff295312fd/pydantic/main.py#L79
+IncEx: TypeAlias = Union[Set[int], Set[str], Mapping[int, Union["IncEx", bool]], Mapping[str, Union["IncEx", bool]]]
 
 PostParser = Callable[[Any], Any]
 
diff --git a/src/groq/_utils/__init__.py b/src/groq/_utils/__init__.py
index a7cff3c..d4fda26 100644
--- a/src/groq/_utils/__init__.py
+++ b/src/groq/_utils/__init__.py
@@ -39,6 +39,7 @@
     is_iterable_type as is_iterable_type,
     is_required_type as is_required_type,
     is_annotated_type as is_annotated_type,
+    is_type_alias_type as is_type_alias_type,
     strip_annotated_type as strip_annotated_type,
     extract_type_var_from_base as extract_type_var_from_base,
 )
diff --git a/src/groq/_utils/_typing.py b/src/groq/_utils/_typing.py
index c036991..278749b 100644
--- a/src/groq/_utils/_typing.py
+++ b/src/groq/_utils/_typing.py
@@ -1,8 +1,17 @@
 from __future__ import annotations
 
+import sys
+import typing
+import typing_extensions
 from typing import Any, TypeVar, Iterable, cast
 from collections import abc as _c_abc
-from typing_extensions import Required, Annotated, get_args, get_origin
+from typing_extensions import (
+    TypeIs,
+    Required,
+    Annotated,
+    get_args,
+    get_origin,
+)
 
 from .._types import InheritsGeneric
 from .._compat import is_union as _is_union
@@ -36,6 +45,26 @@ def is_typevar(typ: type) -> bool:
     return type(typ) == TypeVar  # type: ignore
 
 
+_TYPE_ALIAS_TYPES: tuple[type[typing_extensions.TypeAliasType], ...] = (typing_extensions.TypeAliasType,)
+if sys.version_info >= (3, 12):
+    _TYPE_ALIAS_TYPES = (*_TYPE_ALIAS_TYPES, typing.TypeAliasType)
+
+
+def is_type_alias_type(tp: Any, /) -> TypeIs[typing_extensions.TypeAliasType]:
+    """Return whether the provided argument is an instance of `TypeAliasType`.
+
+    ```python
+    type Int = int
+    is_type_alias_type(Int)
+    # > True
+    Str = TypeAliasType("Str", str)
+    is_type_alias_type(Str)
+    # > True
+    ```
+    """
+    return isinstance(tp, _TYPE_ALIAS_TYPES)
+
+
 # Extracts T from Annotated[T, ...] or from Required[Annotated[T, ...]]
 def strip_annotated_type(typ: type) -> type:
     if is_required_type(typ) or is_annotated_type(typ):
diff --git a/src/groq/_version.py b/src/groq/_version.py
index f34185a..f48453b 100644
--- a/src/groq/_version.py
+++ b/src/groq/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "groq"
-__version__ = "0.13.0"  # x-release-please-version
+__version__ = "0.13.1"  # x-release-please-version
diff --git a/tests/test_models.py b/tests/test_models.py
index 439865c..87adf6e 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -1,7 +1,7 @@
 import json
 from typing import Any, Dict, List, Union, Optional, cast
 from datetime import datetime, timezone
-from typing_extensions import Literal, Annotated
+from typing_extensions import Literal, Annotated, TypeAliasType
 
 import pytest
 import pydantic
@@ -828,3 +828,19 @@ class B(BaseModel):
     # if the discriminator details object stays the same between invocations then
     # we hit the cache
     assert UnionType.__discriminator__ is discriminator
+
+
+@pytest.mark.skipif(not PYDANTIC_V2, reason="TypeAliasType is not supported in Pydantic v1")
+def test_type_alias_type() -> None:
+    Alias = TypeAliasType("Alias", str)
+
+    class Model(BaseModel):
+        alias: Alias
+        union: Union[int, Alias]
+
+    m = construct_type(value={"alias": "foo", "union": "bar"}, type_=Model)
+    assert isinstance(m, Model)
+    assert isinstance(m.alias, str)
+    assert m.alias == "foo"
+    assert isinstance(m.union, str)
+    assert m.union == "bar"
diff --git a/tests/utils.py b/tests/utils.py
index e519958..17aa076 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -16,6 +16,7 @@
     is_union_type,
     extract_type_arg,
     is_annotated_type,
+    is_type_alias_type,
 )
 from groq._compat import PYDANTIC_V2, field_outer_type, get_model_fields
 from groq._models import BaseModel
@@ -51,6 +52,9 @@ def assert_matches_type(
     path: list[str],
     allow_none: bool = False,
 ) -> None:
+    if is_type_alias_type(type_):
+        type_ = type_.__value__
+
     # unwrap `Annotated[T, ...]` -> `T`
     if is_annotated_type(type_):
         type_ = extract_type_arg(type_, 0)