diff --git a/opencode.json b/opencode.json
new file mode 100644
index 000000000..81fcb0bff
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,16 @@
+{
+    "$schema": "https://opencode.ai/config.json",
+    "provider": {
+        "anthropic": {
+            "models": {
+                "anthropic/claude-opus-4-6": {
+                    "name": "Claude OPUS 4.6",
+                    "limit": {
+                        "context": 200000,
+                        "output": 32768
+                    }
+                }
+            }
+        }
+    }
+}