diff --git a/packages/proxy/schema/index.ts b/packages/proxy/schema/index.ts
index 8f7be7f9..0cf9f40d 100644
--- a/packages/proxy/schema/index.ts
+++ b/packages/proxy/schema/index.ts
@@ -875,6 +875,7 @@ export const AvailableEndpointTypes: { [name: string]: ModelEndpointType[] } = {
   "global.anthropic.claude-opus-4-8": ["bedrock"],
   "us.anthropic.claude-opus-4-8": ["bedrock"],
   "claude-opus-4-8": ["anthropic"],
+  "claude-opus-5-5": ["anthropic"],
   "publishers/anthropic/models/claude-opus-5": ["vertex"],
   "anthropic.claude-opus-5": ["bedrock"],
   "global.anthropic.claude-opus-5": ["bedrock"],
diff --git a/packages/proxy/schema/model_list.json b/packages/proxy/schema/model_list.json
index ab8d1f1c..b94194c1 100644
--- a/packages/proxy/schema/model_list.json
+++ b/packages/proxy/schema/model_list.json
@@ -8697,6 +8697,26 @@
       "openrouter"
     ]
   },
+  "claude-opus-5-5": {
+    "format": "anthropic",
+    "flavor": "chat",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 4,
+    "output_cost_per_mil_tokens": 20,
+    "input_cache_read_cost_per_mil_tokens": 0.2,
+    "input_cache_write_cost_per_mil_tokens": 5,
+    "input_cache_write_5m_cost_per_mil_tokens": 5,
+    "input_cache_write_1h_cost_per_mil_tokens": 8,
+    "displayName": "Claude Opus 5.5",
+    "reasoning": true,
+    "reasoning_budget": true,
+    "deprecation_date": "2027-09-22",
+    "max_input_tokens": 1000000,
+    "max_output_tokens": 128000,
+    "available_providers": [
+      "anthropic"
+    ]
+  },
   "claude-opus-5": {
     "format": "anthropic",
     "flavor": "chat",