diff --git a/download.cpp b/download.cpp
index c95ca233..c398f0ac 100644
--- a/download.cpp
+++ b/download.cpp
@@ -84,14 +84,17 @@ void Download::handleJsonDownloadFinished()
     "  {"
     "    \"md5sum\": \"61d48a82cb188cceb14ebb8082bfec37\","
     "    \"filename\": \"ggml-gpt4all-j-v1.1-breezy.bin\""
+    "    \"filesize\": \"3785248281\""
     "  },"
     "  {"
     "    \"md5sum\": \"879344aaa9d62fdccbda0be7a09e7976\","
     "    \"filename\": \"ggml-gpt4all-j-v1.2-jazzy.bin\","
+    "    \"filesize\": \"3785248281\""
     "    \"isDefault\": \"true\""
     "  },"
     "  {"
     "    \"md5sum\": \"5b5a3f9b858d33b29b52b89692415595\","
+    "    \"filesize\": \"3785248281\""
     "    \"filename\": \"ggml-gpt4all-j.bin\""
     "  }"
     "]"
@@ -125,13 +128,26 @@ void Download::parseJsonFile(const QByteArray &jsonData)
         QJsonObject obj = value.toObject();
 
         QString modelFilename = obj["filename"].toString();
+        QString modelFilesize = obj["filesize"].toString();
         QByteArray modelMd5sum = obj["md5sum"].toString().toLatin1().constData();
         bool isDefault = obj.contains("isDefault") && obj["isDefault"] == QString("true");
 
+        quint64 sz = modelFilesize.toULongLong();
+        if (sz < 1024) {
+            modelFilesize = QString("%1 bytes").arg(sz);
+        } else if (sz < 1024 * 1024) {
+            modelFilesize = QString("%1 KB").arg(qreal(sz) / 1024, 0, 'g', 3);
+        } else if (sz < 1024 * 1024 * 1024) {
+            modelFilesize = QString("%1 MB").arg(qreal(sz) / (1024 * 1024), 0, 'g', 3);
+        } else {
+            modelFilesize = QString("%1 GB").arg(qreal(sz) / (1024 * 1024 * 1024), 0, 'g', 3);
+        }
+
         QString filePath = QCoreApplication::applicationDirPath() + QDir::separator() + modelFilename;
         QFileInfo info(filePath);
         ModelInfo modelInfo;
         modelInfo.filename = modelFilename;
+        modelInfo.filesize = modelFilesize;
         modelInfo.md5sum = modelMd5sum;
         modelInfo.installed = info.exists();
         modelInfo.isDefault = isDefault;
diff --git a/download.h b/download.h
index 6d69e4ce..63973e08 100644
--- a/download.h
+++ b/download.h
@@ -11,12 +11,14 @@
 struct ModelInfo {
     Q_GADGET
     Q_PROPERTY(QString filename MEMBER filename)
+    Q_PROPERTY(QString filesize MEMBER filesize)
     Q_PROPERTY(QByteArray md5sum MEMBER md5sum)
     Q_PROPERTY(bool installed MEMBER installed)
     Q_PROPERTY(bool isDefault MEMBER isDefault)
 
 public:
     QString filename;
+    QString filesize;
     QByteArray md5sum;
     bool installed = false;
     bool isDefault = false;
diff --git a/qml/ModelDownloaderDialog.qml b/qml/ModelDownloaderDialog.qml
index 16aed5d0..278bea0d 100644
--- a/qml/ModelDownloaderDialog.qml
+++ b/qml/ModelDownloaderDialog.qml
@@ -6,7 +6,7 @@ import llm
 
 Dialog {
     id: modelDownloaderDialog
-    width: 900
+    width: 1024
     height: 400
     title: "Model Downloader"
     modal: true
@@ -74,24 +74,38 @@ Dialog {
                 }
 
                 Text {
+                    id: isDefault
                     text: qsTr("(default)")
                     visible: modelData.isDefault
                     anchors.verticalCenter: parent.verticalCenter
                     anchors.left: modelName.right
                     anchors.leftMargin: 10
-                    font.pixelSize: 24
+                    font.pixelSize: 18
                     color: "#d1d5db"
                     Accessible.role: Accessible.Paragraph
                     Accessible.name: qsTr("Default file")
                     Accessible.description: qsTr("Whether the file is the default model")
                 }
 
+                Text {
+                    text: modelData.filesize
+                    anchors.verticalCenter: parent.verticalCenter
+                    anchors.left: isDefault.visible ? isDefault.right : modelName.right
+                    anchors.leftMargin: 10
+                    font.pixelSize: 18
+                    color: "#d1d5db"
+                    Accessible.role: Accessible.Paragraph
+                    Accessible.name: qsTr("File size")
+                    Accessible.description: qsTr("The size of the file")
+                }
+
                 Label {
                     id: speedLabel
                     anchors.verticalCenter: parent.verticalCenter
                     anchors.right: itemProgressBar.left
                     anchors.rightMargin: 10
                     objectName: "speedLabel"
+                    font.pixelSize: 18
                     color: "#d1d5db"
                     text: ""
                     visible: downloading