diff --git a/gui/chatblockmodel.cpp b/gui/chatblockmodel.cpp
index bac13f4..75da56a 100644
--- a/gui/chatblockmodel.cpp
+++ b/gui/chatblockmodel.cpp
@@ -172,6 +172,27 @@ void ChatBlockModel::appendData(const QString &text)
         m_lineBuffer = m_lineBuffer.mid(idx + 1);
         processLine(line);
     }
+
+    // For streaming: update current block with partial line buffer content
+    // so the UI shows text as it arrives, not just after newlines.
+    if (!m_lineBuffer.isEmpty() && !m_blocks.isEmpty() && m_state == State::BlockEnd) {
+        ChatBlock &last = m_blocks.last();
+        // Store the committed content length so we can update partial content
+        QString fullContent = last.content;
+        if (!fullContent.isEmpty() && !m_lineBuffer.isEmpty())
+            fullContent += '\n';
+        fullContent += m_lineBuffer;
+        
+        // Temporarily set content with partial line for rendering
+        QString savedContent = last.content;
+        last.content = fullContent;
+        rebuildBlockHtml(m_blocks.size() - 1);
+        last.content = savedContent;  // Restore — partial line not committed yet
+        
+        // But emit with the rendered HTML that includes partial content
+        QModelIndex idx = index(m_blocks.size() - 1);
+        emit dataChanged(idx, idx, {RenderedHtmlRole});
+    }
 }
 
 void ChatBlockModel::reset()