diff --git a/data/opencode.json b/data/opencode.json
index 0bf5422..2c23b21 100644
--- a/data/opencode.json
+++ b/data/opencode.json
@@ -9,6 +9,18 @@
         "apiKey": "{env:OPPER_API_KEY}"
       },
       "models": {
+        "gpt-5.5": {
+          "name": "GPT 5.5",
+          "cost": { "input": 5.00, "output": 30.00 },
+          "limit": { "context": 1050000, "output": 128000 },
+          "reasoning": true,
+          "variants": {
+            "xhigh": {
+              "reasoningEffort": "xhigh",
+              "reasoningSummary": "auto"
+            }
+          }
+        },
         "claude-sonnet-4-6": {
           "name": "Claude Sonnet 4.6",
           "cost": { "input": 3.00, "output": 15.00 },