diff --git a/memlayer/wrappers/claude.py b/memlayer/wrappers/claude.py
index 464e930..563effe 100644
--- a/memlayer/wrappers/claude.py
+++ b/memlayer/wrappers/claude.py
@@ -805,3 +805,7 @@ def close(self):
         except Exception as e:
             print(f"Warning: Error during cleanup: {e}")
 
+
+# Legacy alias for backward compatibility
+ClaudeWrapper = Claude
+
diff --git a/memlayer/wrappers/gemini.py b/memlayer/wrappers/gemini.py
index da0b70f..2c4c890 100644
--- a/memlayer/wrappers/gemini.py
+++ b/memlayer/wrappers/gemini.py
@@ -758,3 +758,6 @@ def close(self):
             print(f"Warning: Error during cleanup: {e}")
 
 
+# Legacy alias for backward compatibility
+GeminiWrapper = Gemini
+
diff --git a/memlayer/wrappers/ollama.py b/memlayer/wrappers/ollama.py
index 05f26a6..3b2b573 100644
--- a/memlayer/wrappers/ollama.py
+++ b/memlayer/wrappers/ollama.py
@@ -700,3 +700,7 @@ def close(self):
                 self._graph_storage.close()
         except Exception as e:
             print(f"Warning: Error during cleanup: {e}")
+
+
+# Legacy alias for backward compatibility
+OllamaWrapper = Ollama
diff --git a/memlayer/wrappers/openai.py b/memlayer/wrappers/openai.py
index 689af7b..4b1b297 100644
--- a/memlayer/wrappers/openai.py
+++ b/memlayer/wrappers/openai.py
@@ -817,3 +817,7 @@ def close(self):
                 self._graph_storage.close()
         except Exception as e:
             print(f"Warning: Error during cleanup: {e}")
+
+
+# Legacy alias for backward compatibility
+OpenAIWrapper = OpenAI