diff --git a/apps/web/package.json b/apps/web/package.json
index 983c55a35..1a194d220 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -59,7 +59,7 @@
     "zod": "^3.24.2"
   },
   "devDependencies": {
-    "@ai-sdk/openai": "^3.0.2",
+    "@ai-sdk/openai": "^4.0.0",
     "@tailwindcss/postcss": "^4.1.18",
     "@types/mdast": "^4.0.4",
     "@types/node": "^22.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cec9aaec7..8b0eb2a6a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -151,8 +151,8 @@ importers:
         version: 3.25.76
     devDependencies:
       '@ai-sdk/openai':
-        specifier: ^3.0.2
-        version: 3.0.2(zod@3.25.76)
+        specifier: ^4.0.0
+        version: 4.0.71(zod@3.25.76)
       '@tailwindcss/postcss':
         specifier: ^4.1.18
         version: 4.1.18
@@ -437,9 +437,9 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
-  '@ai-sdk/openai@3.0.2':
-    resolution: {integrity: sha512-GONwavgSWtcWO+t9+GpGK8l7nIYh+zNtCL/NYDSeHxHiw6ksQS9XMRWrZyE5NpJ0EXNxSAWCHIDmb1WvTqhq9Q==}
-    engines: {node: '>=18'}
+  '@ai-sdk/openai@4.0.71':
+    resolution: {integrity: sha512-w8FuHr1bD/bP/8SIgcaJKUyePE4ke9s7+Ew2ed/9i5mDoFXEfyVUyFX8R0wQ3YfcdMKmTs8ct/f6XJsXsnPVsQ==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
@@ -449,10 +449,20 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
+  '@ai-sdk/provider-utils@5.0.45':
+    resolution: {integrity: sha512-gLuaCups8OCIRz3eO6WWz5op7VLYNNtFzyH0sWUr0FE9v7cTxR0qxDpQdrKnGcql+9WWttobjnZsJVsuEbsPQQ==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
+
   '@ai-sdk/provider@3.0.1':
     resolution: {integrity: sha512-2lR4w7mr9XrydzxBSjir4N6YMGdXD+Np1Sh0RXABh7tWdNFFwIeRI1Q+SaYZMbfL8Pg8RRLcrxQm51yxTLhokg==}
     engines: {node: '>=18'}
 
+  '@ai-sdk/provider@4.0.17':
+    resolution: {integrity: sha512-VYMBxIQdcHqbIf1j+YZlI9Ati6LZ4wJe0GGd4z4a5H/KxTggjeOiyaVYTnfF7LHZK5jMQ+rofmzz4QPqf++NUw==}
+    engines: {node: '>=22'}
+
   '@alloc/quick-lru@5.2.0':
     resolution: {integrity: sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw==}
     engines: {node: '>=10'}
@@ -1959,6 +1969,9 @@ packages:
     peerDependencies:
       vite: ^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0
 
+  '@workflow/serde@4.1.0':
+    resolution: {integrity: sha512-pav4F2BoirECWR7Nf1TKt+2eETcBj7jj4cBefQ8VXQCA6NPkaKeLfj/zMgi+3zYV5ZIBT4GuUiphsj0/b9hPQQ==}
+
   acorn-jsx@5.3.2:
     resolution: {integrity: sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==}
     peerDependencies:
@@ -2273,6 +2286,10 @@ packages:
     resolution: {integrity: sha512-Vo1ab+QXPzZ4tCa8SwIHJFaSzy4R6SHf7BY79rFBDf0idraZWAkYrDjDj8uWaSm3S2TK+hJ7/t1CEmZ7jXw+pg==}
     engines: {node: '>=18.0.0'}
 
+  eventsource-parser@3.1.1:
+    resolution: {integrity: sha512-EKN1vKAMcZ8MlYMpaNuxN6R9yakzH6uajHcHVTqWJzvu5pWw9DyhbP35HH8MVBQ+dZjAfDxk+A8NiR9KWaXiyQ==}
+    engines: {node: '>=18.0.0'}
+
   extend-shallow@2.0.1:
     resolution: {integrity: sha512-zCnTtlxNoAiDc3gqY2aYAWFx7XWWiasuF2K8Me5WbN8otHKTUKBwjPtNpRs/rbUZm7KxWAaNj7P1a/p52GbVug==}
     engines: {node: '>=0.10.0'}
@@ -3422,6 +3439,10 @@ packages:
   undici-types@7.16.0:
     resolution: {integrity: sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==}
 
+  undici@7.29.1:
+    resolution: {integrity: sha512-RYONW2MeafgYlkVOKYKkA/Ag7BmXqgIWCa8t1m0JcxrQg9pI9lEqRhAOruOBCbAohOa/gkCF+iPi9hrgvTzu6Q==}
+    engines: {node: '>=20.18.1'}
+
   unicode-trie@2.0.0:
     resolution: {integrity: sha512-x7bc76x0bm4prf1VLg79uhAzKw8DVboClSN5VxJuQ+LKDOVEW9CdH+VY7SP+vX7xCYQqzzgQpFqz15zeLvAtZQ==}
 
@@ -3568,10 +3589,10 @@ snapshots:
       '@vercel/oidc': 3.0.5
       zod: 3.25.76
 
-  '@ai-sdk/openai@3.0.2(zod@3.25.76)':
+  '@ai-sdk/openai@4.0.71(zod@3.25.76)':
     dependencies:
-      '@ai-sdk/provider': 3.0.1
-      '@ai-sdk/provider-utils': 4.0.2(zod@3.25.76)
+      '@ai-sdk/provider': 4.0.17
+      '@ai-sdk/provider-utils': 5.0.45(zod@3.25.76)
       zod: 3.25.76
 
   '@ai-sdk/provider-utils@4.0.2(zod@3.25.76)':
@@ -3581,10 +3602,23 @@ snapshots:
       eventsource-parser: 3.0.6
       zod: 3.25.76
 
+  '@ai-sdk/provider-utils@5.0.45(zod@3.25.76)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.17
+      '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
+      eventsource-parser: 3.1.1
+      undici: 7.29.1
+      zod: 3.25.76
+
   '@ai-sdk/provider@3.0.1':
     dependencies:
       json-schema: 0.4.0
 
+  '@ai-sdk/provider@4.0.17':
+    dependencies:
+      json-schema: 0.4.0
+
   '@alloc/quick-lru@5.2.0': {}
 
   '@babel/code-frame@7.27.1':
@@ -4922,6 +4956,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@workflow/serde@4.1.0': {}
+
   acorn-jsx@5.3.2(acorn@8.15.0):
     dependencies:
       acorn: 8.15.0
@@ -5240,6 +5276,8 @@ snapshots:
 
   eventsource-parser@3.0.6: {}
 
+  eventsource-parser@3.1.1: {}
+
   extend-shallow@2.0.1:
     dependencies:
       is-extendable: 0.1.1
@@ -6716,6 +6754,8 @@ snapshots:
 
   undici-types@7.16.0: {}
 
+  undici@7.29.1: {}
+
   unicode-trie@2.0.0:
     dependencies:
       pako: 0.2.9