upgrade stagehand:2.4.3 and switch to gpt-5

backend/agent/tools/browser_tool.py

@@ -150,7 +150,7 @@ class BrowserTool(SandboxToolsBase):
                         return True
                     else:
                         # If the browser api is not healthy, we need to restart the browser api
-                        model_api_key = config.ANTHROPIC_API_KEY
+                        model_api_key = config.OPENAI_API_KEY
 
                         response = await self.sandbox.process.exec(f"curl -X POST 'http://localhost:8004/api/init' -H 'Content-Type: application/json' -d '{{\"api_key\": \"{model_api_key}\"}}'", timeout=90)
                         if response.exit_code == 0:

backend/sandbox/docker/browserApi.ts

@@ -19,12 +19,10 @@ class BrowserAutomation {
 
     private stagehand: Stagehand | null;
     public browserInitialized: boolean;
-    private currentApiKey: string | null;
     private page: Page | null;
     constructor() {
         this.router = express.Router();
         this.browserInitialized = false;
-        this.currentApiKey = null;
         this.stagehand = null;
         this.page = null;
 
@@ -38,7 +36,6 @@ class BrowserAutomation {
     async init(apiKey: string): Promise<{status: string, message: string}> {
         try{
             if (!this.browserInitialized) {
-                this.currentApiKey = apiKey;
                 console.log("Initializing browser with api key");
                 this.stagehand = new Stagehand({
                     env: "LOCAL",
@@ -47,7 +44,7 @@ class BrowserAutomation {
                     logger: (logLine: LogLine) => {
                         console.log(`[${logLine.category}] ${logLine.message}`);
                     },
-                    modelName: "claude-3-7-sonnet-20250219",
+                    modelName: "openai/gpt-5",
                     modelClientOptions: {
                         apiKey
                     },
@@ -129,7 +126,6 @@ class BrowserAutomation {
         this.stagehand?.close();
         this.stagehand = null;
         this.page = null;
-        this.currentApiKey = null;
         return {
             status: "shutdown",
             message: "Browser shutdown"

backend/sandbox/docker/package-lock.json

@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "@browserbasehq/stagehand": "^2.4.2",
+        "@browserbasehq/stagehand": "^2.4.3",
         "express": "^5.1.0",
         "tsx": "^4.19.2",
         "typescript": "^5.9.2"
@@ -359,9 +359,9 @@
       "license": "MIT"
     },
     "node_modules/@browserbasehq/stagehand": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/@browserbasehq/stagehand/-/stagehand-2.4.2.tgz",
-      "integrity": "sha512-JEneBRa7Xanc5L6Z7iucseWoTUqAqW6z0/IC6VUpgGMCY5k38+voz7pBxI12hWOtWpvyy9wTaVkLY8YiWZrBUw==",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/@browserbasehq/stagehand/-/stagehand-2.4.3.tgz",
+      "integrity": "sha512-iloQM/SbDH2ip7RC7yO/fbRoDPtdoaHbOeob3US0OvFBiSb6rMMLP2PQ+euEGhsc7sNMcs9+UJiA1Ts5H+jhiA==",
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "0.39.0",
@@ -394,7 +394,7 @@
       "peerDependencies": {
         "deepmerge": "^4.3.1",
         "dotenv": "^16.4.5",
-        "zod": "^3.23.8"
+        "zod": ">=3.25.0 <4.1.0"
       }
     },
     "node_modules/@esbuild/aix-ppc64": {

backend/sandbox/docker/package.json

@@ -10,7 +10,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@browserbasehq/stagehand": "^2.4.2",
+    "@browserbasehq/stagehand": "^2.4.3",
     "express": "^5.1.0",
     "tsx": "^4.19.2",
     "typescript": "^5.9.2"