diff --git a/build.gradle b/build.gradle
index 1811515..c1a9048 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = 'it.ohalee.minecraftgpt'
-version = '1.2.5'
+version = '1.2.6'
 
 sourceCompatibility = 1.17
 targetCompatibility = 1.17
diff --git a/src/main/java/it/ohalee/minecraftgpt/OpenAI.java b/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
index 061697d..801b538 100644
--- a/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
+++ b/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
@@ -1,6 +1,7 @@
 package it.ohalee.minecraftgpt;
 
 import com.theokanning.openai.completion.CompletionRequest;
+import com.theokanning.openai.completion.chat.ChatCompletionRequest;
 import com.theokanning.openai.service.OpenAiService;
 import org.bukkit.configuration.ConfigurationSection;
 import retrofit2.HttpException;
@@ -20,17 +21,40 @@ public class OpenAI {
     public static CompletableFuture<String> getResponse(ConfigurationSection section, StringBuilder cached, String message) {
         cached.append("\nHuman:").append(message).append("\nAI:");
 
-        return CompletableFuture.supplyAsync(() -> service.createCompletion(CompletionRequest.builder()
-                        .prompt(cached.toString())
-                        .model(section.getString("model"))
-                        .temperature(section.getDouble("temperature"))
-                        .maxTokens(section.getInt("max-tokens"))
-                        .topP(section.getDouble("top-p"))
-                        .frequencyPenalty(section.getDouble("frequency-penalty"))
-                        .presencePenalty(section.getDouble("presence-penalty"))
-                        .stop(Arrays.asList("Human:", "AI:"))
-                        .build())
-                .getChoices().get(0).getText()).exceptionally(throwable -> {
+        return CompletableFuture.supplyAsync(() -> {
+            String model = section.getString("model", "text-davinci-003");
+            int maxTokens = section.getInt("max-tokens");
+            double frequencyPenalty = section.getDouble("frequency-penalty");
+            double presencePenalty = section.getDouble("presence-penalty");
+            double topP = section.getDouble("top-p");
+            double temperature = section.getDouble("temperature");
+
+            if (model.startsWith("gpt-4") || model.startsWith("gpt-3.5")) {
+                return service.createChatCompletion(ChatCompletionRequest.builder()
+                                .model(model)
+                                .temperature(temperature)
+                                .maxTokens(maxTokens)
+                                .topP(topP)
+                                .frequencyPenalty(frequencyPenalty)
+                                .presencePenalty(presencePenalty)
+                                .stop(Arrays.asList("Human:", "AI:"))
+                                .build())
+                        .getChoices().get(0).getMessage().getContent();
+            }
+
+            return service.createCompletion(CompletionRequest.builder()
+                            .prompt(cached.toString())
+                            .model(model)
+                            .temperature(temperature)
+                            .maxTokens(maxTokens)
+                            .topP(topP)
+                            .frequencyPenalty(frequencyPenalty)
+                            .presencePenalty(presencePenalty)
+                            .stop(Arrays.asList("Human:", "AI:"))
+                            .build())
+                    .getChoices().get(0).getText();
+
+        }).exceptionally(throwable -> {
             if (throwable.getCause() instanceof HttpException e) {
                 String reason = switch (e.response().code()) {
                     case 401 -> "Invalid API key! Please check your configuration.";
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 375b393..3c13d48 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -14,7 +14,7 @@ format:
 
 chatgpt:
   # https://platform.openai.com/docs/models/
-  model: "gpt-3.5-turbo"
+  model: "text-davinci-003"
   temperature: 0.9
   max-tokens: 150
   top-p: 1.0
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index ff98bc2..b88216f 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 name: MinecraftGPT
 main: it.ohalee.minecraftgpt.Main
-version: 1.2.5
+version: 1.2.6
 author: ohAlee
 description: A Minecraft plugin that uses ChatGPT
 api-version: 1.16