diff --git a/.stats.yml b/.stats.yml
index 57f5afaff..27e2ce5ed 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 64
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai-27d8d6da893c1cdd53b491ec05153df22b1e113965f253a1d6eb8d75b628173f.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai-518ca6c60061d3e8bc0971facf40d752f2aea62e3522cc168ad29a1f29cab3dd.yml
diff --git a/src/resources/beta/assistants.ts b/src/resources/beta/assistants.ts
index 5d326a593..abacfd06e 100644
--- a/src/resources/beta/assistants.ts
+++ b/src/resources/beta/assistants.ts
@@ -1057,6 +1057,8 @@ export interface AssistantCreateParams {
     | (string & {})
     | 'gpt-4o'
     | 'gpt-4o-2024-05-13'
+    | 'gpt-4o-mini'
+    | 'gpt-4o-mini-2024-07-18'
     | 'gpt-4-turbo'
     | 'gpt-4-turbo-2024-04-09'
     | 'gpt-4-0125-preview'
diff --git a/src/resources/beta/threads/runs/runs.ts b/src/resources/beta/threads/runs/runs.ts
index b4ed09cc2..24b6ce4a2 100644
--- a/src/resources/beta/threads/runs/runs.ts
+++ b/src/resources/beta/threads/runs/runs.ts
@@ -672,6 +672,8 @@ export interface RunCreateParamsBase {
     | (string & {})
     | 'gpt-4o'
     | 'gpt-4o-2024-05-13'
+    | 'gpt-4o-mini'
+    | 'gpt-4o-mini-2024-07-18'
     | 'gpt-4-turbo'
     | 'gpt-4-turbo-2024-04-09'
     | 'gpt-4-0125-preview'
diff --git a/src/resources/beta/threads/threads.ts b/src/resources/beta/threads/threads.ts
index aded9daf1..04ce7b57d 100644
--- a/src/resources/beta/threads/threads.ts
+++ b/src/resources/beta/threads/threads.ts
@@ -549,6 +549,8 @@ export interface ThreadCreateAndRunParamsBase {
     | (string & {})
     | 'gpt-4o'
     | 'gpt-4o-2024-05-13'
+    | 'gpt-4o-mini'
+    | 'gpt-4o-mini-2024-07-18'
     | 'gpt-4-turbo'
     | 'gpt-4-turbo-2024-04-09'
     | 'gpt-4-0125-preview'
diff --git a/src/resources/chat/chat.ts b/src/resources/chat/chat.ts
index da4e90d42..74cda326e 100644
--- a/src/resources/chat/chat.ts
+++ b/src/resources/chat/chat.ts
@@ -11,6 +11,8 @@ export class Chat extends APIResource {
 export type ChatModel =
   | 'gpt-4o'
   | 'gpt-4o-2024-05-13'
+  | 'gpt-4o-mini'
+  | 'gpt-4o-mini-2024-07-18'
   | 'gpt-4-turbo'
   | 'gpt-4-turbo-2024-04-09'
   | 'gpt-4-0125-preview'