diff --git a/pom.xml b/pom.xml
index 9e0ba0f..9d7f2b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,6 +70,24 @@
       <version>3.2.0</version>
     </dependency>
 
+    <!-- ここは、chatgpt関連 -->
+
+    <dependency>
+      <groupId>com.theokanning.openai-gpt3-java</groupId>
+      <artifactId>api</artifactId>
+      <version>0.12.0</version>
+    </dependency>
+    <dependency>
+      <groupId>com.theokanning.openai-gpt3-java</groupId>
+      <artifactId>client</artifactId>
+      <version>0.12.0</version>
+    </dependency>
+    <dependency>
+      <groupId>com.theokanning.openai-gpt3-java</groupId>
+      <artifactId>service</artifactId>
+      <version>0.12.0</version>
+    </dependency>
+
   </dependencies>
 
   <build>
@@ -112,4 +130,28 @@
     </plugins>
 
   </build>
+
+
+  <dependencyManagement>
+  
+
+    <dependencies>
+
+      <dependency>
+        <groupId>com.fasterxml.jackson.core</groupId>
+        <artifactId>jackson-annotations</artifactId>
+        <version>2.10.1</version>
+      </dependency>
+
+    
+
+      <dependency>
+        <groupId>org.reactivestreams</groupId>
+        <artifactId>reactive-streams</artifactId>
+        <version>1.0.0</version>
+      </dependency>
+
+    </dependencies>
+
+  </dependencyManagement>
 </project>
\ No newline at end of file
diff --git a/src/main/java/info/istlab/Zemi01/chatgpt/OpenAiApiExample.java b/src/main/java/info/istlab/Zemi01/chatgpt/OpenAiApiExample.java
new file mode 100644
index 0000000..5821e7f
--- /dev/null
+++ b/src/main/java/info/istlab/Zemi01/chatgpt/OpenAiApiExample.java
@@ -0,0 +1,56 @@
+package info.istlab.Zemi01.chatgpt;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import com.theokanning.openai.completion.chat.ChatCompletionRequest;
+import com.theokanning.openai.completion.chat.ChatMessage;
+import com.theokanning.openai.completion.chat.ChatMessageRole;
+import com.theokanning.openai.service.OpenAiService;
+
+class OpenAiApiExample {
+    public static void main(String... args) {
+        String token = System.getenv("OPENAI_TOKEN"); //環境変数で設定
+        // System.out.println(token);
+        // System.exit(0);
+        com.theokanning.openai.service.OpenAiService service = new OpenAiService(token);
+
+        // System.out.println("\nCreating completion...");
+        // CompletionRequest completionRequest = CompletionRequest.builder()
+        //         .model("ada")
+        //         .prompt("Somebody once told me the world is gonna roll me")
+        //         .echo(true)
+        //         .user("testing")
+        //         .n(3)
+        //         .build();
+        // service.createCompletion(completionRequest).getChoices().forEach(System.out::println);
+
+        // System.out.println("\nCreating Image...");
+        // CreateImageRequest request = CreateImageRequest.builder()
+        //         .prompt("A cow breakdancing with a turtle")
+        //         .build();
+
+        // System.out.println("\nImage is located at:");
+        // System.out.println(service.createImage(request).getData().get(0).getUrl());
+
+        System.out.println("Streaming chat completion...");
+        final List<ChatMessage> messages = new ArrayList<>();
+        final ChatMessage userMessage = new ChatMessage(ChatMessageRole.USER.value(), "創造的な活動をするには、普段どんなことに注意したらよいでしょうか？");
+        messages.add(userMessage);
+        ChatCompletionRequest chatCompletionRequest = ChatCompletionRequest
+                .builder()
+                .model("gpt-3.5-turbo")
+                .messages(messages)
+                .n(1)
+                .maxTokens(150)
+                .logitBias(new HashMap<>())
+                .build();
+
+        service.streamChatCompletion(chatCompletionRequest)
+                .doOnError(Throwable::printStackTrace)
+                .blockingForEach(System.out::println);
+
+        service.shutdownExecutor();
+    }
+}
\ No newline at end of file