diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/TalkApi.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/TalkApi.kt
index 70b713fa..a3ea6740 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/TalkApi.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/TalkApi.kt
@@ -40,7 +40,7 @@ interface TalkApi {
         @Header("Authorization") authHeader: String,
         @Path("roomId") roomId: Long,
         @Body request: SendMessageRequest
-    ): Single<ApiResponse<ServerChatMessage>>
+    ): Single<ApiResponse<List<ServerChatMessage>>>
 
     // 점진적 메시지 로딩 API
     @GET("/api/chat/rooms/{roomId}/messages")
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRepository.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRepository.kt
index 6c4d0da9..80ae23f8 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRepository.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRepository.kt
@@ -30,7 +30,7 @@ class ChatRepository(
         roomId: Long,
         localId: String,
         content: String
-    ): Single<ServerChatMessage> {
+    ): Single<List<ServerChatMessage>> {
         return talkApi.sendMessage(
             authHeader = token,
             roomId = roomId,
@@ -38,18 +38,18 @@ class ChatRepository(
         )
             .subscribeOn(Schedulers.io())
             .map { ensureSuccess(it) }
-            .flatMap { serverMsg ->
+            .flatMap { serverMsgs ->
                 // 1) 로컬에 사용자 메시지 상태를 SENT로 업데이트
                 val updateStatus = Completable.fromAction {
                     kotlinx.coroutines.runBlocking { chatDao.updateStatusByLocalId(roomId, localId, MessageStatus.SENT.name) }
                 }
-                // 2) 서버 응답 메시지를 로컬 DB에 저장(중복 방지: 동일 ID는 REPLACE)
-                val insertServer = Completable.fromAction {
-                    val entity = serverMsg.toEntity(roomId)
-                    kotlinx.coroutines.runBlocking { chatDao.insertMessage(entity) }
+                // 2) 서버 응답 메시지들을 로컬 DB에 저장(중복 방지: 동일 ID는 REPLACE)
+                val insertServers = Completable.fromAction {
+                    val entities = serverMsgs.map { it.toEntity(roomId) }
+                    kotlinx.coroutines.runBlocking { chatDao.insertMessages(entities) }
                 }
-                updateStatus.andThen(insertServer)
-                    .andThen(Single.just(serverMsg))
+                updateStatus.andThen(insertServers)
+                    .andThen(Single.just(serverMsgs))
                     .subscribeOn(Schedulers.io())
             }
     }
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
index 1d8214b4..0c07d066 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
@@ -285,15 +285,17 @@ class ChatRoomActivity : BaseActivity<ActivityChatRoomBinding>(
             content = content
         )
             .observeOn(io.reactivex.rxjava3.android.schedulers.AndroidSchedulers.mainThread())
-            .subscribe({ serverMsg ->
+            .subscribe({ serverMsgs ->
                 // 성공: 타이핑 인디케이터 제거 및 상태 업데이트
                 chatAdapter.hideTypingIndicator()
                 updateUserMessageStatus(localId, MessageStatus.SENT)
 
-                // 서버 응답이 AI 메시지인 경우 리스트에 추가
-                val domain = serverMsg.toDomain()
-                if (!domain.mine) {
-                    appendMessage(ChatListItem.AiMessage(domain, characterInfo?.name))
+                // 서버 응답이 여러 개인 경우, mine == false(AI)만 순서대로 추가
+                serverMsgs.forEach { msg ->
+                    val domain = msg.toDomain()
+                    if (!domain.mine) {
+                        appendMessage(ChatListItem.AiMessage(domain, characterInfo?.name))
+                    }
                 }
             }, { error ->
                 // 실패: 타이핑 인디케이터 제거 및 FAILED로 업데이트