diff --git a/packages/server/src/server/agent/providers/pi/agent.ts b/packages/server/src/server/agent/providers/pi/agent.ts
index e87ff42ec..d5fcec39d 100644
--- a/packages/server/src/server/agent/providers/pi/agent.ts
+++ b/packages/server/src/server/agent/providers/pi/agent.ts
@@ -173,7 +173,8 @@ const PI_THINKING_OPTIONS: ReadonlyArray<{
   { id: "low", label: "Low", description: "Faster reasoning" },
   { id: "medium", label: "Medium", description: "Balanced reasoning", isDefault: true },
   { id: "high", label: "High", description: "Deeper reasoning" },
-  { id: "xhigh", label: "XHigh", description: "Maximum reasoning" },
+  { id: "xhigh", label: "XHigh", description: "Very deep reasoning" },
+  { id: "max", label: "Max", description: "Extreme reasoning" },
 ] as const;
 
 export interface PiRpcAgentClientOptions {
@@ -329,7 +330,8 @@ function isPiThinkingLevel(value: string | null | undefined): value is PiThinkin
     value === "low" ||
     value === "medium" ||
     value === "high" ||
-    value === "xhigh"
+    value === "xhigh" ||
+    value === "max"
   );
 }
 
diff --git a/packages/server/src/server/agent/providers/pi/rpc-types.ts b/packages/server/src/server/agent/providers/pi/rpc-types.ts
index 5174f98fe..949ff9303 100644
--- a/packages/server/src/server/agent/providers/pi/rpc-types.ts
+++ b/packages/server/src/server/agent/providers/pi/rpc-types.ts
@@ -1,4 +1,4 @@
-export type PiThinkingLevel = "off" | "minimal" | "low" | "medium" | "high" | "xhigh";
+export type PiThinkingLevel = "off" | "minimal" | "low" | "medium" | "high" | "xhigh" | "max";
 
 export interface PiImageContent {
   type: "image";