diff --git a/src/extension.ts b/src/extension.ts
index ffaf73b..e3b8b31 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -759,7 +759,7 @@ class SidebarChatProvider implements vscode.WebviewViewProvider {
                     model: modelName || defaultModel,
                     messages: reqMessages,
                     stream: true,
-                    options: { num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK }
+                    options: { num_ctx: 16384, num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK }
                 };
                 // Attach images to the last user message for Ollama
                 if (images.length > 0) {
@@ -901,7 +901,7 @@ class SidebarChatProvider implements vscode.WebviewViewProvider {
                 stream: true,
                 ...(isLMStudio 
                     ? { max_tokens: 4096, temperature: this._temperature, top_p: this._topP } 
-                    : { options: { num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK } }),
+                    : { options: { num_ctx: 16384, num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK } }),
             };
 
             // 스트리밍: 웹뷰에 'streamStart' 로 빈 메시지 생성 후 'streamChunk'로 실시간 업데이트
@@ -970,7 +970,7 @@ class SidebarChatProvider implements vscode.WebviewViewProvider {
                     stream: false,
                     ...(isLMStudio 
                         ? { max_tokens: 4096, temperature: this._temperature, top_p: this._topP } 
-                        : { options: { num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK } }),
+                        : { options: { num_ctx: 16384, num_predict: 4096, temperature: this._temperature, top_p: this._topP, top_k: this._topK } }),
                 }, { timeout });
 
                 aiMessage = isLMStudio