diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 169c39c..967ba94 100755
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,6 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         python-version: ["3.8", "3.12"]
         os: [ubuntu-latest, macos-latest, windows-latest]
@@ -27,6 +28,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        python -m pip install -U pip
         python -m pip install .[lxml,dev]
     - name: Ruff
       run: |
diff --git a/README.md b/README.md
index 1e0e99e..d279805 100755
--- a/README.md
+++ b/README.md
@@ -240,7 +240,8 @@ def chat(self, keywords: str, model: str = "gpt-3.5") -> str:
 
     Args:
         keywords (str): The initial message or question to send to the AI.
-        model (str): The model to use: "gpt-3.5", "claude-3-haiku". Defaults to "gpt-3.5".
+        model (str): The model to use: "gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b".
+            Defaults to "gpt-3.5".
 
     Returns:
         str: The response from the AI.
diff --git a/duckduckgo_search/cli.py b/duckduckgo_search/cli.py
index deccd8c..3c68242 100644
--- a/duckduckgo_search/cli.py
+++ b/duckduckgo_search/cli.py
@@ -137,7 +137,7 @@ def version():
 def chat(save, proxy):
     """CLI function to perform an interactive AI chat using DuckDuckGo API."""
     cache_file = "ddgs_chat_conversation.json"
-    models = ["gpt-3.5", "claude-3-haiku"]
+    models = ["gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b"]
     client = DDGS(proxy=proxy)
 
     print("DuckDuckGo AI chat. Available models:")
diff --git a/duckduckgo_search/duckduckgo_search.py b/duckduckgo_search/duckduckgo_search.py
index 8d75312..2aa7887 100644
--- a/duckduckgo_search/duckduckgo_search.py
+++ b/duckduckgo_search/duckduckgo_search.py
@@ -125,12 +125,18 @@ def chat(self, keywords: str, model: str = "gpt-3.5") -> str:
 
         Args:
             keywords (str): The initial message or question to send to the AI.
-            model (str): The model to use: "gpt-3.5", "claude-3-haiku". Defaults to "gpt-3.5".
+            model (str): The model to use: "gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b".
+                Defaults to "gpt-3.5".
 
         Returns:
             str: The response from the AI.
         """
-        models = {"claude-3-haiku": "claude-3-haiku-20240307", "gpt-3.5": "gpt-3.5-turbo-0125"}
+        models = {
+            "claude-3-haiku": "claude-3-haiku-20240307",
+            "gpt-3.5": "gpt-3.5-turbo-0125",
+            "llama-3-70b": "meta-llama/Llama-3-70b-chat-hf",
+            "mixtral-8x7b": "mistralai/Mixtral-8x7B-Instruct-v0.1",
+        }
         # vqd
         if not self._chat_vqd:
             resp = self.client.get("https://duckduckgo.com/duckchat/v1/status", headers={"x-vqd-accept": "1"})
diff --git a/duckduckgo_search/duckduckgo_search_async.py b/duckduckgo_search/duckduckgo_search_async.py
index f558599..b02cf69 100644
--- a/duckduckgo_search/duckduckgo_search_async.py
+++ b/duckduckgo_search/duckduckgo_search_async.py
@@ -41,7 +41,8 @@ async def achat(self, keywords: str, model: str = "gpt-3.5") -> str:
 
         Args:
             keywords (str): The initial message or question to send to the AI.
-            model (str): The model to use: "gpt-3.5", "claude-3-haiku". Defaults to "gpt-3.5".
+            model (str): The model to use: "gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b".
+                Defaults to "gpt-3.5".
 
         Returns:
             str: The response from the AI.
diff --git a/tests/test_duckduckgo_search.py b/tests/test_duckduckgo_search.py
index e0454fd..e35b5ec 100644
--- a/tests/test_duckduckgo_search.py
+++ b/tests/test_duckduckgo_search.py
@@ -14,10 +14,13 @@ def test_context_manager():
         results = ddgs.news("cars", max_results=30)
         assert 20 <= len(results) <= 30
 
-def test_chat():
-    results = DDGS().chat("cat")
+
+@pytest.mark.parametrize("model", ["gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b"])
+def test_chat(model):
+    results = DDGS().chat("cat", model=model)
     assert  len(results) >= 1
 
+
 def test_text():
     results = DDGS().text("cat", safesearch="off", timelimit="m", max_results=30)
     assert 27 <= len(results) <= 30
diff --git a/tests/test_duckduckgo_search_async.py b/tests/test_duckduckgo_search_async.py
index 9dcf3c1..d1a36a7 100644
--- a/tests/test_duckduckgo_search_async.py
+++ b/tests/test_duckduckgo_search_async.py
@@ -3,60 +3,79 @@
 
 from duckduckgo_search import AsyncDDGS
 
+
 @pytest.fixture(autouse=True)
 def pause_between_tests():
     time.sleep(0.5)
 
-@pytest.fixture(autouse=True)
-async def test_chat():
-    results = await AsyncDDGS().chat("cat")
+@pytest.mark.asyncio
+async def test_context_manager():
+    async with AsyncDDGS() as addgs:
+        results = await addgs.anews("cars", max_results=30)
+        assert 20 <= len(results) <= 30
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize("model", ["gpt-3.5", "claude-3-haiku", "llama-3-70b", "mixtral-8x7b"])
+async def test_chat(model):
+    results = await AsyncDDGS().achat("cat", model=model)
     assert  len(results) >= 1
 
+
 @pytest.mark.asyncio
 async def test_text():
     results = await AsyncDDGS().atext("sky", safesearch="off", timelimit="m", max_results=30)
     assert 27 <= len(results) <= 30
 
+
 @pytest.mark.asyncio
 async def test_text_html():
     results = await AsyncDDGS().atext("eagle", backend="html", max_results=30)
     assert 27 <= len(results) <= 30
 
+
 @pytest.mark.asyncio
 async def test_text_lite():
     results = await AsyncDDGS().atext("dog", backend="lite", max_results=30)
     assert 27 <= len(results) <= 30
 
+
 @pytest.mark.asyncio
 async def test_async_images():
     results = await AsyncDDGS().aimages("flower", max_results=200)
     assert 95 <= len(results) <= 200
 
+
 @pytest.mark.asyncio
 async def test_async_videos():
     results = await AsyncDDGS().avideos("sea", max_results=40)
     assert 37 <= len(results) <= 40
 
+
 @pytest.mark.asyncio
 async def test_async_news():
     results = await AsyncDDGS().anews("tesla", max_results=30)
     assert 20 <= len(results) <= 30
 
+
 @pytest.mark.asyncio
 async def test_async_maps():
     results = await AsyncDDGS().amaps("school", place="London", max_results=30)
     assert 27 <= len(results) <= 30
 
+
 @pytest.mark.asyncio
 async def test_answers():
     results = await AsyncDDGS().aanswers("sun")
     assert len(results) >= 1
 
+
 @pytest.mark.asyncio
 async def test_suggestions():
     results = await AsyncDDGS().asuggestions("moon")
     assert len(results) >= 1
 
+
 @pytest.mark.asyncio
 async def test_async_translate():
     results = await AsyncDDGS().atranslate(["school", "tomatoes"], to="de")