feat(models): add gpt-5.4 and gpt-5.4-pro model definitions

Author: waleedlatif1

apps/sim/providers/models.ts

@@ -122,6 +122,40 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
         },
         contextWindow: 128000,
       },
+      {
+        id: 'gpt-5.4',
+        pricing: {
+          input: 2.5,
+          cachedInput: 0.25,
+          output: 15.0,
+          updatedAt: '2026-03-05',
+        },
+        capabilities: {
+          reasoningEffort: {
+            values: ['none', 'low', 'medium', 'high', 'xhigh'],
+          },
+          verbosity: {
+            values: ['low', 'medium', 'high'],
+          },
+          maxOutputTokens: 128000,
+        },
+        contextWindow: 1050000,
+      },
+      {
+        id: 'gpt-5.4-pro',
+        pricing: {
+          input: 30.0,
+          output: 180.0,
+          updatedAt: '2026-03-05',
+        },
+        capabilities: {
+          reasoningEffort: {
+            values: ['medium', 'high', 'xhigh'],
+          },
+          maxOutputTokens: 128000,
+        },
+        contextWindow: 1050000,
+      },
       {
         id: 'gpt-5.2',
         pricing: {
@@ -493,6 +527,25 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
         },
         contextWindow: 128000,
       },
+      {
+        id: 'azure/gpt-5.4',
+        pricing: {
+          input: 2.5,
+          cachedInput: 0.25,
+          output: 15.0,
+          updatedAt: '2026-03-05',
+        },
+        capabilities: {
+          reasoningEffort: {
+            values: ['none', 'low', 'medium', 'high', 'xhigh'],
+          },
+          verbosity: {
+            values: ['low', 'medium', 'high'],
+          },
+          maxOutputTokens: 128000,
+        },
+        contextWindow: 1050000,
+      },
       {
         id: 'azure/gpt-5.2',
         pricing: {