diff --git a/.stats.yml b/.stats.yml
index 35857a7..5176537 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 106
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-937fcfac8cbab692796cd9822b37e48a311e2220a8b103106ded0ee92a0b9484.yml
-openapi_spec_hash: 74a0c58b5b8c4e06792d79b685e02a01
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-410219ea680089f02bb55163c673919703f946c3d6ad7ff5d6f607121d5287d5.yml
+openapi_spec_hash: 2b3eee95d3f6796c7a61dfddf694a59a
 config_hash: 666d6bb4b564f0d9d431124b5d1a0665
diff --git a/aliases.go b/aliases.go
index 267f286..52491cd 100644
--- a/aliases.go
+++ b/aliases.go
@@ -491,3 +491,6 @@ const ResponsesModelComputerUsePreview = shared.ResponsesModelComputerUsePreview
 
 // Equals "computer-use-preview-2025-03-11"
 const ResponsesModelComputerUsePreview2025_03_11 = shared.ResponsesModelComputerUsePreview2025_03_11
+
+// Equals "gpt-5-codex"
+const ResponsesModelGPT5Codex = shared.ResponsesModelGPT5Codex
diff --git a/conversations/aliases.go b/conversations/aliases.go
index c42efa0..7189a54 100644
--- a/conversations/aliases.go
+++ b/conversations/aliases.go
@@ -491,3 +491,6 @@ const ResponsesModelComputerUsePreview = shared.ResponsesModelComputerUsePreview
 
 // Equals "computer-use-preview-2025-03-11"
 const ResponsesModelComputerUsePreview2025_03_11 = shared.ResponsesModelComputerUsePreview2025_03_11
+
+// Equals "gpt-5-codex"
+const ResponsesModelGPT5Codex = shared.ResponsesModelGPT5Codex
diff --git a/realtime/aliases.go b/realtime/aliases.go
index c70c7b3..0039394 100644
--- a/realtime/aliases.go
+++ b/realtime/aliases.go
@@ -491,3 +491,6 @@ const ResponsesModelComputerUsePreview = shared.ResponsesModelComputerUsePreview
 
 // Equals "computer-use-preview-2025-03-11"
 const ResponsesModelComputerUsePreview2025_03_11 = shared.ResponsesModelComputerUsePreview2025_03_11
+
+// Equals "gpt-5-codex"
+const ResponsesModelGPT5Codex = shared.ResponsesModelGPT5Codex
diff --git a/responses/aliases.go b/responses/aliases.go
index 9ff17cb..a6e6c6c 100644
--- a/responses/aliases.go
+++ b/responses/aliases.go
@@ -491,3 +491,6 @@ const ResponsesModelComputerUsePreview = shared.ResponsesModelComputerUsePreview
 
 // Equals "computer-use-preview-2025-03-11"
 const ResponsesModelComputerUsePreview2025_03_11 = shared.ResponsesModelComputerUsePreview2025_03_11
+
+// Equals "gpt-5-codex"
+const ResponsesModelGPT5Codex = shared.ResponsesModelGPT5Codex
diff --git a/shared/shared.go b/shared/shared.go
index a459afe..3e3e662 100644
--- a/shared/shared.go
+++ b/shared/shared.go
@@ -1039,5 +1039,6 @@ const (
 	ResponsesModelO4MiniDeepResearch2025_06_26 ResponsesModel = "o4-mini-deep-research-2025-06-26"
 	ResponsesModelComputerUsePreview           ResponsesModel = "computer-use-preview"
 	ResponsesModelComputerUsePreview2025_03_11 ResponsesModel = "computer-use-preview-2025-03-11"
+	ResponsesModelGPT5Codex                    ResponsesModel = "gpt-5-codex"
 	// Or some ...[ChatModel]
 )
diff --git a/webhooks/aliases.go b/webhooks/aliases.go
index 94e7af6..78cca77 100644
--- a/webhooks/aliases.go
+++ b/webhooks/aliases.go
@@ -491,3 +491,6 @@ const ResponsesModelComputerUsePreview = shared.ResponsesModelComputerUsePreview
 
 // Equals "computer-use-preview-2025-03-11"
 const ResponsesModelComputerUsePreview2025_03_11 = shared.ResponsesModelComputerUsePreview2025_03_11
+
+// Equals "gpt-5-codex"
+const ResponsesModelGPT5Codex = shared.ResponsesModelGPT5Codex