diff --git a/Cargo.toml b/Cargo.toml
index b7e5a60..27c5375 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "chat-gpt-lib-rs"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 description = "A Rust library for interacting with OpenAI's ChatGPT API, providing a simple interface to make API requests and handle responses."
 license = "Apache-2.0"
diff --git a/README.md b/README.md
index 07fa1e8..920d810 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ let client = ChatGPTClient::new(api_key, base_url);
 To send a chat message, create a ChatInput structure and call the chat method:
 ```rust
 let chat_input = ChatInput {
-    model: Model::Gpt_4Turbo,
+    model: Model::Gpt_4o,
     messages: vec![
         Message {
             role: Role::System,
diff --git a/examples/cli-chat-example.rs b/examples/cli-chat-example.rs
index 6372bd0..c41dcc2 100644
--- a/examples/cli-chat-example.rs
+++ b/examples/cli-chat-example.rs
@@ -100,7 +100,7 @@ async fn process_user_input(
 
     // Prepare the ChatInput object for the API call
     let input = ChatInput {
-        model: Model::Gpt_4Turbo,
+        model: Model::Gpt_4o,
         messages: messages.clone(),
         ..Default::default()
     };
diff --git a/examples/cli-simple-chat-example.rs b/examples/cli-simple-chat-example.rs
index e2aee29..10a8d2b 100644
--- a/examples/cli-simple-chat-example.rs
+++ b/examples/cli-simple-chat-example.rs
@@ -55,7 +55,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
 
         // Define the input for the ChatGPTClient
         let input = ChatInput {
-            model: Model::Gpt_4Turbo,   // Consider making this configurable
+            model: Model::Gpt_4o,       // Consider making this configurable
             messages: messages.clone(), // Pass in the messages vector
             ..Default::default()
         };