diff --git a/internal/registry/models/models.json b/internal/registry/models/models.json
index 52b6b1ed2..333a071cc 100644
--- a/internal/registry/models/models.json
+++ b/internal/registry/models/models.json
@@ -3476,37 +3476,6 @@
         "text"
       ]
     },
-    {
-      "id": "gemini-3-flash-agent",
-      "object": "model",
-      "owned_by": "antigravity",
-      "type": "antigravity",
-      "display_name": "Gemini 3.5 Flash (High)",
-      "name": "gemini-3-flash-agent",
-      "description": "Gemini 3.5 Flash (High)",
-      "context_length": 1048576,
-      "max_completion_tokens": 65536,
-      "thinking": {
-        "min": 128,
-        "max": 32768,
-        "dynamic_allowed": true,
-        "levels": [
-          "minimal",
-          "low",
-          "medium",
-          "high"
-        ]
-      },
-      "supportedInputModalities": [
-        "text",
-        "image",
-        "audio",
-        "video"
-      ],
-      "supportedOutputModalities": [
-        "text"
-      ]
-    },
     {
       "id": "gemini-3.1-flash-image",
       "object": "model",
@@ -3641,67 +3610,8 @@
       "supportedOutputModalities": [
         "text"
       ]
-    },
-    {
-      "id": "gemini-3.5-flash-low",
-      "object": "model",
-      "owned_by": "antigravity",
-      "type": "antigravity",
-      "display_name": "Gemini 3.5 Flash (Medium)",
-      "name": "gemini-3.5-flash-low",
-      "description": "Gemini 3.5 Flash (Medium)",
-      "context_length": 1048576,
-      "max_completion_tokens": 65535,
-      "thinking": {
-        "min": 1,
-        "max": 65535,
-        "dynamic_allowed": true,
-        "levels": [
-          "low",
-          "medium",
-          "high"
-        ]
-      },
-      "supportedInputModalities": [
-        "text",
-        "image",
-        "audio",
-        "video"
-      ],
-      "supportedOutputModalities": [
-        "text"
-      ]
-    },
-    {
-      "id": "gemini-3.5-flash-extra-low",
-      "object": "model",
-      "owned_by": "antigravity",
-      "type": "antigravity",
-      "display_name": "Gemini 3.5 Flash (Low)",
-      "name": "gemini-3.5-flash-extra-low",
-      "description": "Gemini 3.5 Flash (Low)",
-      "context_length": 1048576,
-      "max_completion_tokens": 65535,
-      "thinking": {
-        "min": 1,
-        "max": 65535,
-        "dynamic_allowed": true,
-        "levels": [
-          "low",
-          "medium",
-          "high"
-        ]
-      },
-      "supportedInputModalities": [
-        "text",
-        "image",
-        "audio",
-        "video"
-      ],
-      "supportedOutputModalities": [
-        "text"
-      ]
     }
+
   ],
   "xai": [
     {
diff --git a/sdk/cliproxy/service_excluded_models_test.go b/sdk/cliproxy/service_excluded_models_test.go
index c176d9daa..bd31e2d1a 100644
--- a/sdk/cliproxy/service_excluded_models_test.go
+++ b/sdk/cliproxy/service_excluded_models_test.go
@@ -280,7 +280,7 @@ func TestRegisterModelsForAuth_AntigravityFetchesWebSearchCapability(t *testing.
 		switch strings.TrimSpace(model.ID) {
 		case "gemini-3.1-flash-lite":
 			webSearchModel = model
-		case "gemini-3-flash-agent":
+		case "gemini-pro-agent":
 			agentModel = model
 		case "gpt-oss-120b-medium":
 			staticOnlyModel = model
@@ -302,10 +302,10 @@ func TestRegisterModelsForAuth_AntigravityFetchesWebSearchCapability(t *testing.
 		t.Fatalf("static token limits should be preserved, got=%#v static=%#v", webSearchModel, staticWebSearchModel)
 	}
 	if agentModel == nil {
-		t.Fatal("expected gemini-3-flash-agent to be registered")
+		t.Fatal("expected gemini-pro-agent to be registered")
 	}
 	if agentModel.SupportsWebSearch {
-		t.Fatal("gemini-3-flash-agent should not support web search")
+		t.Fatal("gemini-pro-agent should not support web search")
 	}
 	if staticOnlyModel == nil {
 		t.Fatal("expected static-only Antigravity model to remain registered")