diff --git a/alfred/client/client.py b/alfred/client/client.py
index e7b173b..2117471 100644
--- a/alfred/client/client.py
+++ b/alfred/client/client.py
@@ -32,6 +32,7 @@ def __init__(
         end_point: Optional[str] = None,
         local_path: Optional[str] = None,
         ssh_tunnel: bool = False,
+        ssh_pk: str = '~/.ssh/id_rsa',
         ssh_node: Optional[str] = None,
         cache: Optional[Cache] = None,
         **kwargs: Any,
@@ -48,6 +49,8 @@ def __init__(
         :param local_path: (optional) The local path of the model. (e.g. "/home/user/.cache/model")
         :param ssh_tunnel: Whether to establish an SSH tunnel to the end point.
         :type ssh_tunnel: bool
+        :param ssh_pk: ssh RSA key location
+        :type ssh_pk: str
         :param ssh_node: (optional) The final SSH node to establish the SSH tunnel. (e.g. gpu node on a cluster with login node as jump)
         :type ssh_node: str
         :param cache: (optional) The cache to use. (e.g. "SQLite", "Dummy")
@@ -110,6 +113,7 @@ def __init__(
                     remote_port=self.end_point_port,
                     remote_node_address=ssh_node,
                     username=user_name,
+                    key_file=ssh_pk,
                 )
 
                 tunnel.start()
diff --git a/alfred/client/ssh/sshtunnel.py b/alfred/client/ssh/sshtunnel.py
index d036b6d..279e332 100644
--- a/alfred/client/ssh/sshtunnel.py
+++ b/alfred/client/ssh/sshtunnel.py
@@ -3,6 +3,7 @@
 from typing import Optional, Union, Callable
 
 import paramiko
+import os
 
 from alfred.client.ssh.utils import port_finder, forward_tunnel
 
@@ -39,6 +40,7 @@ def __init__(
         username: Optional[str] = None,
         remote_node_address: Optional[str] = None,
         remote_bind_port: Optional[Union[int, str]] = 443,
+        key_file: str="~/.ssh/id_rsa",
         handler: Callable = None,
     ):
         """
@@ -56,6 +58,8 @@ def __init__(
         :type remote_node_address: str
         :param remote_bind_port: (optional) The remote bind port to connect to, defaults to 443
         :type remote_bind_port: Optional[Union[int, str]], optional
+        :param key_file: (optional) SSH key file
+        :type key_file: str
         :param handler: The handler for interactive authentication, defaults to adaptive handler
         :type handler: Callable, optional
         """
@@ -69,6 +73,10 @@ def __init__(
         self.username = username or input("Username: ")
         self.remote_node_address = remote_node_address
         self.remote_bind_port = remote_bind_port
+
+        # if key file exist the nuse key_file else None
+        self.key_file = paramiko.RSAKey.from_private_key_file(os.path.expanduser(key_file)) if os.path.isfile(os.path.expanduser(key_file)) else None
+
         self.handler = handler or self.adaptive_handler
 
     def start(self):
@@ -89,19 +97,26 @@ def _start(self):
 
         self.client = paramiko.SSHClient()
         self.client.load_system_host_keys()
-        self.client.set_missing_host_key_policy(paramiko.WarningPolicy())
+        self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 
         try:
-            self.client.connect(self.remote_host, username=self.username)
+            self.client.connect(
+                self.remote_host,
+                username=self.username,
+                pkey=self.key_file,
+                look_for_keys=False
+            )
         except paramiko.ssh_exception.SSHException:
             pass
 
-        try:
-            self.client.get_transport().auth_interactive(
-                username=self.username, handler=self.handler)
-        except paramiko.ssh_exception.AuthenticationException:
-            logger.error("Wrong Password, Please restart the Tunnel")
-            raise paramiko.ssh_exception.AuthenticationException
+        if not self.client.get_transport().is_authenticated():
+            try:
+                self.client.get_transport().auth_interactive(
+                    username=self.username, handler=self.handler)
+            except paramiko.ssh_exception.AuthenticationException:
+                logger.error("Wrong Password, Please restart the Tunnel")
+                raise paramiko.ssh_exception.AuthenticationException
+
         logger.log(logging.INFO, f"Connected to {self.remote_host} @ port 22")
 
         port = self.client.get_transport().sock.getsockname()[1]
diff --git a/alfred/fm/ai21.py b/alfred/fm/ai21.py
index f4e3872..817a61d 100644
--- a/alfred/fm/ai21.py
+++ b/alfred/fm/ai21.py
@@ -9,9 +9,9 @@
 logger = logging.getLogger(__name__)
 
 AI21_MODELS = (
-    "j1-large",
-    "j1-grande",
-    "j1-jumbo",
+    "j1-light",
+    "j1-mid",
+    "j1-ultra",
 )
 
 
@@ -26,7 +26,7 @@ def _ai21_query(
         query_string: str,
         temperature: float = 0.0,
         max_tokens: int = 10,
-        model: str = "j1-large",
+        model: str = "j1-mid",
     ) -> str:
         """
         Run a single query through the foundation model
@@ -62,7 +62,7 @@ def _ai21_query(
 
     def __init__(
         self,
-        model_string: str = "j1-large",
+        model_string: str = "j1-mid",
         api_key: Optional[str] = None,
     ):
         """
diff --git a/alfred/fm/anthropic.py b/alfred/fm/anthropic.py
index 8ed78f2..5c95fb4 100644
--- a/alfred/fm/anthropic.py
+++ b/alfred/fm/anthropic.py
@@ -13,11 +13,10 @@
 logger = logging.getLogger(__name__)
 
 ANTHROPIC_MODELS = (
-    "claude-v1",
-    "claude-v1.0",
-    "claude-v1.2",
-    "claude-instant-v1",
-    "claude-instant-v1.0",
+    "claude-instant-1",
+    "claude-instant-1.2",
+    "claude-2",
+    "claude-2.0",
 )
 
 try:
@@ -39,7 +38,7 @@ def _anthropic_query(
         query: Union[str, List],
         temperature: float = 0.0,
         max_tokens: int = 3,
-        model: str = "claude-v1",
+        model: str = "claude-instant-1",
         **kwargs: Any,
     ) -> str:
         """
@@ -82,7 +81,7 @@ def _anthropic_query(
             return response["completion"]
 
     def __init__(self,
-                 model_string: str = "claude-v1",
+                 model_string: str = "claude-instant-1",
                  api_key: Optional[str] = None):
         """
         Initialize the Anthropic API wrapper.
diff --git a/docs/alfred/client/client.md b/docs/alfred/client/client.md
index aa8f394..05e26db 100644
--- a/docs/alfred/client/client.md
+++ b/docs/alfred/client/client.md
@@ -38,6 +38,7 @@ class Client:
         end_point: Optional[str] = None,
         local_path: Optional[str] = None,
         ssh_tunnel: bool = False,
+        ssh_pk: str = "~/.ssh/id_rsa",
         ssh_node: Optional[str] = None,
         cache: Optional[Cache] = None,
         **kwargs: Any
@@ -47,7 +48,7 @@ class Client:
 
 ### Client().__call__
 
-[Show source in client.py:270](../../../alfred/client/client.py#L270)
+[Show source in client.py:274](../../../alfred/client/client.py#L274)
 
 __call__() function to run the model on the queries.
 Equivalent to run() function.
@@ -75,7 +76,7 @@ def __call__(
 
 ### Client().calibrate
 
-[Show source in client.py:285](../../../alfred/client/client.py#L285)
+[Show source in client.py:289](../../../alfred/client/client.py#L289)
 
 calibrate are used to calibrate foundation models contextually given the template.
 A voter class may be passed to calibrate the model with a specific voter.
@@ -120,7 +121,7 @@ def calibrate(
 
 ### Client().chat
 
-[Show source in client.py:387](../../../alfred/client/client.py#L387)
+[Show source in client.py:391](../../../alfred/client/client.py#L391)
 
 Chat with the model APIs.
 Currently, Alfred supports Chat APIs from Anthropic and OpenAI
@@ -139,7 +140,7 @@ def chat(self, log_save_path: Optional[str] = None, **kwargs: Any):
 
 ### Client().encode
 
-[Show source in client.py:361](../../../alfred/client/client.py#L361)
+[Show source in client.py:365](../../../alfred/client/client.py#L365)
 
 embed() function to embed the queries.
 
@@ -162,7 +163,7 @@ def encode(
 
 ### Client().generate
 
-[Show source in client.py:229](../../../alfred/client/client.py#L229)
+[Show source in client.py:233](../../../alfred/client/client.py#L233)
 
 Wrapper function to generate the response(s) from the model. (For completion)
 
@@ -191,7 +192,7 @@ def generate(
 
 ### Client().remote_run
 
-[Show source in client.py:207](../../../alfred/client/client.py#L207)
+[Show source in client.py:211](../../../alfred/client/client.py#L211)
 
 Wrapper function for running the model on the queries thru a gRPC Server.
 
@@ -218,7 +219,7 @@ def remote_run(
 
 ### Client().run
 
-[Show source in client.py:187](../../../alfred/client/client.py#L187)
+[Show source in client.py:191](../../../alfred/client/client.py#L191)
 
 Run the model on the queries.
 
@@ -245,7 +246,7 @@ def run(
 
 ### Client().score
 
-[Show source in client.py:246](../../../alfred/client/client.py#L246)
+[Show source in client.py:250](../../../alfred/client/client.py#L250)
 
 Wrapper function to score the response(s) from the model. (For ranking)
 
diff --git a/docs/alfred/client/ssh/sshtunnel.md b/docs/alfred/client/ssh/sshtunnel.md
index 36c88ab..51da227 100644
--- a/docs/alfred/client/ssh/sshtunnel.md
+++ b/docs/alfred/client/ssh/sshtunnel.md
@@ -16,7 +16,7 @@ SSHTunnel
 
 ## SSHTunnel
 
-[Show source in sshtunnel.py:12](../../../../alfred/client/ssh/sshtunnel.py#L12)
+[Show source in sshtunnel.py:13](../../../../alfred/client/ssh/sshtunnel.py#L13)
 
 SSH Tunnel implemented with paramiko and supports interactive authentication
 This tunnel would be very useful if you have a alfred.fm model on remote server that you want to access
@@ -36,6 +36,7 @@ class SSHTunnel:
         username: Optional[str] = None,
         remote_node_address: Optional[str] = None,
         remote_bind_port: Optional[Union[int, str]] = 443,
+        key_file: str = "~/.ssh/id_rsa",
         handler: Callable = None,
     ):
         ...
@@ -43,7 +44,7 @@ class SSHTunnel:
 
 ### SSHTunnel.adaptive_handler
 
-[Show source in sshtunnel.py:20](../../../../alfred/client/ssh/sshtunnel.py#L20)
+[Show source in sshtunnel.py:21](../../../../alfred/client/ssh/sshtunnel.py#L21)
 
 Authentication handler for paramiko's interactive authentication
 
@@ -57,7 +58,7 @@ def adaptive_handler(title, instructions, prompt_list):
 
 ### SSHTunnel().start
 
-[Show source in sshtunnel.py:74](../../../../alfred/client/ssh/sshtunnel.py#L74)
+[Show source in sshtunnel.py:82](../../../../alfred/client/ssh/sshtunnel.py#L82)
 
 Wrapper for _start() with exception handling
 
@@ -70,7 +71,7 @@ def start(self):
 
 ### SSHTunnel().stop
 
-[Show source in sshtunnel.py:127](../../../../alfred/client/ssh/sshtunnel.py#L127)
+[Show source in sshtunnel.py:142](../../../../alfred/client/ssh/sshtunnel.py#L142)
 
 Stop the tunnel
 
diff --git a/docs/alfred/fm/ai21.md b/docs/alfred/fm/ai21.md
index 0d0920a..847c7fa 100644
--- a/docs/alfred/fm/ai21.md
+++ b/docs/alfred/fm/ai21.md
@@ -22,7 +22,7 @@ This class provides a wrapper for the OpenAI API for generating completions.
 
 ```python
 class AI21Model(APIAccessFoundationModel):
-    def __init__(self, model_string: str = "j1-large", api_key: Optional[str] = None):
+    def __init__(self, model_string: str = "j1-mid", api_key: Optional[str] = None):
         ...
 ```
 
diff --git a/docs/alfred/fm/anthropic.md b/docs/alfred/fm/anthropic.md
index b64b19f..8441b2d 100644
--- a/docs/alfred/fm/anthropic.md
+++ b/docs/alfred/fm/anthropic.md
@@ -13,7 +13,7 @@ Anthropic
 
 ## AnthropicModel
 
-[Show source in anthropic.py:30](../../../alfred/fm/anthropic.py#L30)
+[Show source in anthropic.py:29](../../../alfred/fm/anthropic.py#L29)
 
 A wrapper for the anthropic API.
 
@@ -23,13 +23,15 @@ This class provides a wrapper for the anthropic API for generating completions.
 
 ```python
 class AnthropicModel(APIAccessFoundationModel):
-    def __init__(self, model_string: str = "claude-v1", api_key: Optional[str] = None):
+    def __init__(
+        self, model_string: str = "claude-instant-1", api_key: Optional[str] = None
+    ):
         ...
 ```
 
 ### AnthropicModel().chat
 
-[Show source in anthropic.py:145](../../../alfred/fm/anthropic.py#L145)
+[Show source in anthropic.py:144](../../../alfred/fm/anthropic.py#L144)
 
 Launch an interactive chat session with the Anthropic API.