diff --git a/tests/conftest.py b/tests/conftest.py
index b01ba5f..e9b51e2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -9,6 +9,8 @@ from httpx import ASGITransport, AsyncClient
 from fastapi import FastAPI
 from langgraph.checkpoint.memory import MemorySaver
 from langchain_core.messages import AIMessage
+from langchain_anthropic import ChatAnthropic
+from langchain_deepseek import ChatDeepSeek
 from naliiabot.bot.prompts.load_prompt import get_prompt_template
 from naliiabot.bot.tools.naliia_tools import NaliiaTools
 import naliiabotapi.api.dependencies as deps
@@ -241,3 +243,19 @@ def send_message_payload():
         "server_url": "http://localhost:8080",
         "apikey": "98B6B820AFC3-4544-9A4C-011B0719C2D1"
     }
+
+
+@pytest.fixture
+def mock_chat_anthropic():
+    """Mock para ChatAnthropic que no requiere API key."""
+    mock = Mock(spec=ChatAnthropic)
+    mock.model_name = "claude-sonnet-4-5-20250929"
+    return mock
+
+
+@pytest.fixture
+def mock_chat_deepseek():
+    """Mock para ChatDeepSeek que no requiere API key."""
+    mock = Mock(spec=ChatDeepSeek)
+    mock.model_name = "deepseek-chat"
+    return mock
diff --git a/tests/test_factories.py b/tests/test_factories.py
index c42dbb1..e45917e 100644
--- a/tests/test_factories.py
+++ b/tests/test_factories.py
@@ -1,17 +1,35 @@
 import pytest
+from unittest.mock import Mock
 from naliiabot.bot.factories.llm_factory import LLMFactory
 from naliiabot.bot.exceptions import NotFoundProviderError
 from langchain_anthropic import ChatAnthropic
 from langchain_deepseek import ChatDeepSeek
 
 
-def test_llm_factory():
-
-    antrophicModel = LLMFactory("anthropic").get_model()
-    assert isinstance(antrophicModel, ChatAnthropic) is True
-
-    deepseekModel = LLMFactory("deepseek").get_model()
-    assert isinstance(deepseekModel, ChatDeepSeek)
+def test_llm_factory(monkeypatch, mock_chat_anthropic, mock_chat_deepseek):
+    """Test que LLMFactory retorna el tipo correcto de modelo según el provider."""
+    
+    # Mock ChatAnthropic para evitar necesitar API key
+    monkeypatch.setattr(
+        "naliiabot.bot.factories.llm_factory.ChatAnthropic",
+        Mock(return_value=mock_chat_anthropic)
+    )
+    
+    # Mock ChatDeepSeek para evitar necesitar API key
+    monkeypatch.setattr(
+        "naliiabot.bot.factories.llm_factory.ChatDeepSeek",
+        Mock(return_value=mock_chat_deepseek)
+    )
+    
+    # Test Anthropic
+    anthropic_model = LLMFactory("anthropic").get_model()
+    assert isinstance(anthropic_model, Mock)
+    assert anthropic_model == mock_chat_anthropic
+    
+    # Test DeepSeek
+    deepseek_model = LLMFactory("deepseek").get_model()
+    assert isinstance(deepseek_model, Mock)
+    assert deepseek_model == mock_chat_deepseek
 
 
 def test_get_model_raises_exception_when_provider_not_found():