chore(api): remove retired models from API and SDKs

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 116
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic/anthropic-5ce93251152bd7c4c288dacdf5a445383825ba50bc472ff9e9821ee9455e3564.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic/anthropic-04d2899e1e4dd48e29347b98f1265e6345ee20b75e29c12eca1068a8f7c61095.yml
 openapi_spec_hash: 989d596f7660ce55a7cea748a9292b45
-config_hash: 44acd8a997dff056931fb4466201cdeb
+config_hash: 221b6331246cafc1f7ff1861d35a3640

src/resources/messages/messages.ts

@@ -1212,11 +1212,6 @@ export type Model =
   | 'claude-sonnet-4-5-20250929'
   | 'claude-opus-4-1'
   | 'claude-opus-4-1-20250805'
-  | 'claude-opus-4-0'
-  | 'claude-opus-4-20250514'
-  | 'claude-sonnet-4-0'
-  | 'claude-sonnet-4-20250514'
-  | 'claude-3-haiku-20240307'
   | (string & {});
 
 export interface OutputConfig {