diff --git a/src/tools/schema.ts b/src/tools/schema.ts
index 0bef279..b9ec222 100644
--- a/src/tools/schema.ts
+++ b/src/tools/schema.ts
@@ -198,6 +198,7 @@ const BROWSER_USE_LLM_SCHEMA = {
     "claude-3-5-sonnet-20241022",
     "claude-3-5-haiku-20241022",
     "gemini-2.0-flash",
+    "gemini-3.8-flash",
   ],
   default: "gemini-2.0-flash",
 };
diff --git a/src/types/constants.ts b/src/types/constants.ts
index dbf90f6..1e2456b 100644
--- a/src/types/constants.ts
+++ b/src/types/constants.ts
@@ -48,7 +48,8 @@ export type BrowserUseLlm =
   | "claude-3-5-sonnet-20241022"
   | "claude-3-5-haiku-20241022"
   | "gemini-2.0-flash"
-  | "gemini-2.5-flash";
+  | "gemini-2.5-flash"
+  | "gemini-3.8-flash";
 
 export type ClaudeComputerUseLlm =
   | "claude-opus-5"
@@ -90,10 +91,12 @@ export type HyperAgentLlm =
   | "claude-sonnet-4-5"
   | "claude-sonnet-4-6"
   | "gemini-2.5-flash"
+  | "gemini-3.8-flash"
   | "gemini-3.7-flash"
   | "gemini-3-flash-preview";
 
 export type GeminiComputerUseLlm =
+  | "gemini-3.8-flash"
   | "gemini-3.7-flash"
   | "gemini-3.6-flash"
   | "gemini-3.5-flash"