diff --git a/.stats.yml b/.stats.yml
index eb8791cc..ebe0695a 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 10
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic-e8bdc849debd3d8ffb45d5a1cdc6be04d52f37f8b519fc6c184b78907477cd92.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic-25f83d91f601c1962b3701fedf829f678f306aca0758af286ee1586cc9931f75.yml
diff --git a/src/anthropic/types/model.py b/src/anthropic/types/model.py
index e2632720..a50e8c84 100644
--- a/src/anthropic/types/model.py
+++ b/src/anthropic/types/model.py
@@ -8,6 +8,8 @@
 Model: TypeAlias = Union[
     str,
     Literal[
+        "claude-3-5-haiku-latest",
+        "claude-3-5-haiku-20241022",
         "claude-3-5-sonnet-latest",
         "claude-3-5-sonnet-20241022",
         "claude-3-5-sonnet-20240620",
diff --git a/src/anthropic/types/model_param.py b/src/anthropic/types/model_param.py
index 4f071c10..cb29b1b0 100644
--- a/src/anthropic/types/model_param.py
+++ b/src/anthropic/types/model_param.py
@@ -10,6 +10,8 @@
 ModelParam: TypeAlias = Union[
     str,
     Literal[
+        "claude-3-5-haiku-latest",
+        "claude-3-5-haiku-20241022",
         "claude-3-5-sonnet-latest",
         "claude-3-5-sonnet-20241022",
         "claude-3-5-sonnet-20240620",