diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6db40bba..e87bd310 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -85,8 +85,8 @@ importers:
   server:
     dependencies:
       '@ai-sdk/google':
-        specifier: ^3.0.83
-        version: 3.0.83(zod@4.4.3)
+        specifier: ^4.0.39
+        version: 4.0.39(zod@4.4.3)
       '@ai-sdk/openai':
         specifier: ^3.0.73
         version: 3.0.73(zod@4.4.3)
@@ -457,9 +457,9 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
-  '@ai-sdk/google@3.0.83':
-    resolution: {integrity: sha512-Pz7aCX0dy+5x+r4K/37HbLZNaPtPL4q2NduzJW64VffLv5sI9Nb478wAd7PlH2r2asiypJsz/Jerf9draTciUA==}
-    engines: {node: '>=18'}
+  '@ai-sdk/google@4.0.39':
+    resolution: {integrity: sha512-+mRx7UBZn9PkJ4J6YXowaRZKMZYa290cknVqqOw/roZaDg186IUOLn9JHNQkvgaj91/MLW1AZNESy1ZD2yXDCg==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
@@ -499,6 +499,12 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
+  '@ai-sdk/provider-utils@5.0.25':
+    resolution: {integrity: sha512-xscPPHCSjCHWrdhai25sbHCJeKNLW/3D1uSpUZa4cEtTKXA8OnPQ3+Rfu1SmM5Ea/Mf8Dfn3cllw9zeMzo/zFA==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
+
   '@ai-sdk/provider@1.1.3':
     resolution: {integrity: sha512-qZMxYJ0qqX/RfnuIaab+zp8UAeJn/ygXXAffR5I4N0n1IrvA6qBsjc8hXLmBiMV2zoXlifkacF7sEFnYnjBcqg==}
     engines: {node: '>=18'}
@@ -519,6 +525,10 @@ packages:
     resolution: {integrity: sha512-e0CpNWJUY7OxAFAnCZkw+ri9QOHWwTs1tXP42782KFGCU07qt8NiXCrCVowyCB5dP2r5/Uls+g2oPd8kOJn9dw==}
     engines: {node: '>=22'}
 
+  '@ai-sdk/provider@4.0.7':
+    resolution: {integrity: sha512-6or44XprPzKbr8zkmzosowSE0pxkvJcoojBL+mCZvPUt3kvXp3XSNqeVun9golb1acEfSo6yaEBRT18h2VU+1Q==}
+    engines: {node: '>=22'}
+
   '@ai-sdk/react@3.0.210':
     resolution: {integrity: sha512-VprBlyc8yvwlpIdcIICL307vRncXrLlmcRTY/7JR5ND9+LvUcxJU16yW6prClFahqEWVza8Vr8P4Bgk5ZBtp4A==}
     engines: {node: '>=18'}
@@ -4115,6 +4125,10 @@ packages:
     resolution: {integrity: sha512-kJezFj9YFAMLeORyi7aCLxLbD5/qWMQnoMVlVPyHIll7lgRJCc3JVln9Vgl9nwQi0YkMnhdGTMNn7CkRRAptMg==}
     engines: {node: '>=18.0.0'}
 
+  eventsource-parser@3.1.1:
+    resolution: {integrity: sha512-EKN1vKAMcZ8MlYMpaNuxN6R9yakzH6uajHcHVTqWJzvu5pWw9DyhbP35HH8MVBQ+dZjAfDxk+A8NiR9KWaXiyQ==}
+    engines: {node: '>=18.0.0'}
+
   eventsource@3.0.7:
     resolution: {integrity: sha512-CRT1WTyuQoD771GW56XEZFQ/ZoSfWid1alKGDYMmkt2yl8UXrVR4pspqWNEcqKvVIzg6PAltWjxcSSPrboA4iA==}
     engines: {node: '>=18.0.0'}
@@ -6046,6 +6060,10 @@ packages:
     resolution: {integrity: sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==}
     engines: {node: '>=20.18.1'}
 
+  undici@7.29.0:
+    resolution: {integrity: sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==}
+    engines: {node: '>=20.18.1'}
+
   unenv@2.0.0-rc.24:
     resolution: {integrity: sha512-i7qRCmY42zmCwnYlh9H2SvLEypEFGye5iRmEMKjcGi7zk9UquigRjFtTLz0TYqr0ZGLZhaMHl/foy1bZR+Cwlw==}
 
@@ -6628,10 +6646,10 @@ snapshots:
       '@vercel/oidc': 3.2.0
       zod: 4.4.3
 
-  '@ai-sdk/google@3.0.83(zod@4.4.3)':
+  '@ai-sdk/google@4.0.39(zod@4.4.3)':
     dependencies:
-      '@ai-sdk/provider': 3.0.10
-      '@ai-sdk/provider-utils': 4.0.30(zod@4.4.3)
+      '@ai-sdk/provider': 4.0.7
+      '@ai-sdk/provider-utils': 5.0.25(zod@4.4.3)
       zod: 4.4.3
 
   '@ai-sdk/openai@3.0.73(zod@4.4.3)':
@@ -6651,7 +6669,7 @@ snapshots:
     dependencies:
       '@ai-sdk/provider': 2.0.3
       '@standard-schema/spec': 1.1.0
-      eventsource-parser: 3.1.0
+      eventsource-parser: 3.1.1
       zod: 4.4.3
 
   '@ai-sdk/provider-utils@4.0.30(zod@4.4.3)':
@@ -6665,7 +6683,7 @@ snapshots:
     dependencies:
       '@ai-sdk/provider': 3.0.14
       '@standard-schema/spec': 1.1.0
-      eventsource-parser: 3.1.0
+      eventsource-parser: 3.1.1
       zod: 4.4.3
 
   '@ai-sdk/provider-utils@5.0.11(zod@4.4.3)':
@@ -6673,7 +6691,16 @@ snapshots:
       '@ai-sdk/provider': 4.0.3
       '@standard-schema/spec': 1.1.0
       '@workflow/serde': 4.1.0
-      eventsource-parser: 3.1.0
+      eventsource-parser: 3.1.1
+      zod: 4.4.3
+
+  '@ai-sdk/provider-utils@5.0.25(zod@4.4.3)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.7
+      '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
+      eventsource-parser: 3.1.1
+      undici: 7.29.0
       zod: 4.4.3
 
   '@ai-sdk/provider@1.1.3':
@@ -6696,6 +6723,10 @@ snapshots:
     dependencies:
       json-schema: 0.4.0
 
+  '@ai-sdk/provider@4.0.7':
+    dependencies:
+      json-schema: 0.4.0
+
   '@ai-sdk/react@3.0.210(react@19.2.8)(zod@4.4.3)':
     dependencies:
       '@ai-sdk/provider-utils': 4.0.30(zod@4.4.3)
@@ -10166,9 +10197,11 @@ snapshots:
 
   eventsource-parser@3.1.0: {}
 
+  eventsource-parser@3.1.1: {}
+
   eventsource@3.0.7:
     dependencies:
-      eventsource-parser: 3.1.0
+      eventsource-parser: 3.1.1
 
   execa@5.1.1:
     dependencies:
@@ -10741,7 +10774,7 @@ snapshots:
       saxes: 6.0.0
       symbol-tree: 3.2.4
       tough-cookie: 6.0.1
-      undici: 7.28.0
+      undici: 7.29.0
       w3c-xmlserializer: 5.0.0
       webidl-conversions: 8.0.1
       whatwg-mimetype: 5.0.0
@@ -12491,6 +12524,8 @@ snapshots:
 
   undici@7.28.0: {}
 
+  undici@7.29.0: {}
+
   unenv@2.0.0-rc.24:
     dependencies:
       pathe: 2.0.3
diff --git a/server/package.json b/server/package.json
index 9aa5c86a..ee2c2738 100644
--- a/server/package.json
+++ b/server/package.json
@@ -27,7 +27,7 @@
     "api:quota": "tsx scripts/api-quota.ts"
   },
   "dependencies": {
-    "@ai-sdk/google": "^3.0.83",
+    "@ai-sdk/google": "^4.0.39",
     "@ai-sdk/openai": "^3.0.73",
     "@hono/swagger-ui": "^0.6.1",
     "@hono/zod-openapi": "^1.5.1",