diff --git a/apps/web/.env.example b/apps/web/.env.example
index c9c9264c50..646620d471 100644
--- a/apps/web/.env.example
+++ b/apps/web/.env.example
@@ -64,7 +64,7 @@ LOG_ZOD_ERRORS=true
 
 # --- Google Vertex ---
 # DEFAULT_LLM_PROVIDER=google
-# DEFAULT_LLM_MODEL=gemini-2.5-pro
+# DEFAULT_LLM_MODEL=gemini-3.0-flash-preview
 # ECONOMY_LLM_PROVIDER=google
 # ECONOMY_LLM_MODEL=gemini-2.5-flash
 # GOOGLE_API_KEY=
diff --git a/apps/web/utils/llms/model.ts b/apps/web/utils/llms/model.ts
index 782803c8db..0c2292d163 100644
--- a/apps/web/utils/llms/model.ts
+++ b/apps/web/utils/llms/model.ts
@@ -136,7 +136,7 @@ function selectModel(
       };
     }
     case Provider.AI_GATEWAY: {
-      const modelName = aiModel || "google/gemini-2.5-pro";
+      const modelName = aiModel || "google/gemini-3-flash";
       const aiGatewayApiKey = aiApiKey || env.AI_GATEWAY_API_KEY;
       const gateway = createGateway({ apiKey: aiGatewayApiKey });
       return {
diff --git a/apps/web/utils/usage.ts b/apps/web/utils/usage.ts
index e5860e37c8..a675e3cc8e 100644
--- a/apps/web/utils/usage.ts
+++ b/apps/web/utils/usage.ts
@@ -59,6 +59,16 @@ const gemini2_5pro = {
   output: 10 / 1_000_000,
 };
 
+const gemini3_0flash = {
+  input: 0.5 / 1_000_000,
+  output: 3 / 1_000_000,
+};
+
+const gemini3_0pro = {
+  input: 2 / 1_000_000,
+  output: 12 / 1_000_000,
+};
+
 const costs: Record<
   string,
   {
@@ -131,16 +141,21 @@ const costs: Record<
     output: 0.3 / 1_000_000,
   },
   "gemini-2.0-flash": gemini2_5flash,
+  "gemini-2.5-flash": gemini2_5flash,
+  "gemini-3-flash": gemini3_0flash,
+  "gemini-3-flash-preview": gemini3_0flash,
+  "gemini-3-pro": gemini3_0pro,
+  "gemini-3-pro-preview": gemini3_0pro,
   "google/gemini-2.0-flash-001": gemini2_5flash,
   "google/gemini-2.5-flash-preview-05-20": gemini2_5flash,
   "google/gemini-2.5-pro-preview-03-25": gemini2_5pro,
   "google/gemini-2.5-pro-preview-06-05": gemini2_5pro,
   "google/gemini-2.5-pro-preview": gemini2_5pro,
   "google/gemini-2.5-pro": gemini2_5pro,
-  "google/gemini-3-pro-preview": {
-    input: 2 / 1_000_000,
-    output: 12 / 1_000_000,
-  },
+  "google/gemini-3-flash": gemini3_0flash,
+  "google/gemini-3-flash-preview": gemini3_0flash,
+  "google/gemini-3-pro": gemini3_0pro,
+  "google/gemini-3-pro-preview": gemini3_0pro,
   "meta-llama/llama-4-maverick": {
     input: 0.2 / 1_000_000,
     output: 0.85 / 1_000_000,
diff --git a/packages/cli/src/main.ts b/packages/cli/src/main.ts
index b7ed803a93..ce0d544455 100644
--- a/packages/cli/src/main.ts
+++ b/packages/cli/src/main.ts
@@ -405,8 +405,8 @@ Full guide: https://docs.getinboxzero.com/self-hosting/microsoft-oauth`,
       default: "claude-sonnet-4-5-20250929",
       economy: "claude-haiku-4-5-20251001",
     },
-    openai: { default: "gpt-4.1", economy: "gpt-4.1-mini" },
-    google: { default: "gemini-2.5-pro", economy: "gemini-2.5-flash" },
+    openai: { default: "gpt-5.1", economy: "gpt-5.1-mini" },
+    google: { default: "gemini-3-flash", economy: "gemini-2-5-flash" },
     openrouter: {
       default: "anthropic/claude-sonnet-4.5",
       economy: "anthropic/claude-haiku-4.5",