diff --git a/README.md b/README.md
index b68f8f6..f6fba91 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,9 @@ Feel free to experiment with your own values the perference properties.
 Here is an example:
 
 ```bash
+GPT_MODEL = "gpt-4"
+# GPT_MODEL = "gpt-3.5-turbo"
+
 TARGET_OS = "Manjaro Linux"
 # TARGET_OS = "Arch Linx"
 # TARGET_OS = "MacOS"
@@ -51,6 +54,7 @@ HUMOUR_STYLE = "friendly"
 # HUMOUR_STYLE = "mean sarcastic"
 
 TERMINAL_EMULATOR = "very simple"
+# TERMINAL_EMULATOR = "Kitty"
 # TERMINAL_EMULATOR = "Alacritty"
 # TERMINAL_EMULATOR = "iTerm2"
 
@@ -123,6 +127,9 @@ To add a new package to the project
 
 # Release History
 
+## v0.3.0
+- Add support for different GPT models.
+
 ## v0.2.2
 - Tweak colors.
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6471a0c..3df5099 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1,5 +1,9 @@
 lockfileVersion: '6.0'
 
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
 dependencies:
   colors:
     specifier: ^1.4.0
@@ -358,7 +362,7 @@ packages:
   /axios@0.26.1:
     resolution: {integrity: sha512-fPwcX4EvnSHuInCMItEhAGnaSEXRBjtzh9fOtsE6E1G6p7vl7edEeZe11QHf18+6+9gR5PbKV/sGKNaD8YaMeA==}
     dependencies:
-      follow-redirects: 1.15.2
+      follow-redirects: 1.15.6
     transitivePeerDependencies:
       - debug
     dev: false
@@ -752,8 +756,8 @@ packages:
     resolution: {integrity: sha512-8/sOawo8tJ4QOBX8YlQBMxL8+RLZfxMQOif9o0KUKTNTjMYElWPE0r/m5VNFxTRd0NSw8qSy8dajrwX4RYI1Hw==}
     dev: true
 
-  /follow-redirects@1.15.2:
-    resolution: {integrity: sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==}
+  /follow-redirects@1.15.6:
+    resolution: {integrity: sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==}
     engines: {node: '>=4.0'}
     peerDependencies:
       debug: '*'
diff --git a/src/App.ts b/src/App.ts
index 685b812..eb7ff29 100644
--- a/src/App.ts
+++ b/src/App.ts
@@ -8,7 +8,8 @@ async function main() {
 	try{
 		const aiResponse = await h.performAICall(
 			userString,
-			pref.openAIKey, 
+			pref.openAIKey,
+			pref.gptModel, 
 			pref.terminalEmulator,
 			pref.targetOS, 
 			pref.humourStyle
diff --git a/src/helpers.ts b/src/helpers.ts
index 6bfd8aa..ac07358 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -54,6 +54,10 @@ export const checkEnv = (): IPreferences => {
 		if (!openAIKey) {
 			throw new Error("Define 'OPENAI_KEY' in .env file in project's root");
 		}
+		const gptModel = process.env["GPT_MODEL"];
+		if (!gptModel) {
+			throw new Error("Define 'GPT_MODEL' in .env file in project's root");
+		}
 		const terminalEmulator = process.env["TERMINAL_EMULATOR"];
 		if (!terminalEmulator) {
 			throw new Error("Define 'TERMINAL_EMULATOR' in .env file in project's root");
@@ -62,6 +66,7 @@ export const checkEnv = (): IPreferences => {
 			targetOS,
 			humourStyle,
 			terminalEmulator,
+			gptModel,
 			openAIKey
 		};
 	} catch (error) {
@@ -97,11 +102,18 @@ export const processArgs = (): string => {
 export const performAICall = async (
 	userString: string,
 	apiKey: string,
+	gptModel: string,
 	terminalEmulator: string,
 	targetOS: string,
 	humourStyle: string,
 ): Promise<BridgeResponse> => {
-	const aiBridge = new OpenAIBridge( terminalEmulator, targetOS, humourStyle, apiKey);
+	const aiBridge = new OpenAIBridge( 
+		apiKey,
+		gptModel,
+		terminalEmulator, 
+		targetOS, 
+		humourStyle, 
+	);
 	const aiResponse1 = await aiBridge.requestResponse(userString);
 	if (aiResponse1) {
 		return aiResponse1;
diff --git a/src/openai/IPreferences.ts b/src/openai/IPreferences.ts
index 6c07db0..99039a4 100644
--- a/src/openai/IPreferences.ts
+++ b/src/openai/IPreferences.ts
@@ -2,5 +2,6 @@ export interface IPreferences {
 	readonly targetOS: string;
 	readonly humourStyle: string;
 	readonly terminalEmulator: string;
+	readonly gptModel: string;
 	readonly openAIKey: string;
 }
\ No newline at end of file
diff --git a/src/openai/OpenAIBridge.ts b/src/openai/OpenAIBridge.ts
index bdc6fb2..fdc8f61 100644
--- a/src/openai/OpenAIBridge.ts
+++ b/src/openai/OpenAIBridge.ts
@@ -82,10 +82,11 @@ export class OpenAIBridge {
 	private _openAIApi: OpenAIApi;
 
 	constructor(
+		apiKey: string,
+		private _gptModel: string,
 		private _terminalEmulator: string,
 		private _targetOS: string,
 		private _humourStyle: string,
-		apiKey: string,
 	) {
 		const config = new Configuration({
 			apiKey: apiKey
@@ -97,7 +98,7 @@ export class OpenAIBridge {
 		try {
 			const response = await this._openAIApi.createChatCompletion({
 				// model: "gpt-4",  // Not yet available
-				model: "gpt-3.5-turbo",
+				model: this._gptModel,
 				messages: [
 					{
 						"role": "user",