diff --git a/pyproject.toml b/pyproject.toml
index ff080968..20078bb8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "together"
-version = "1.4.4"
+version = "1.4.5"
 authors = [
     "Together AI <support@together.ai>"
 ]
diff --git a/src/together/client.py b/src/together/client.py
index ea5359a5..cc86dc0f 100644
--- a/src/together/client.py
+++ b/src/together/client.py
@@ -1,13 +1,15 @@
 from __future__ import annotations
 
 import os
-from typing import Dict
+import sys
+from typing import Dict, TYPE_CHECKING
 
 from together import resources
 from together.constants import BASE_URL, MAX_RETRIES, TIMEOUT_SECS
 from together.error import AuthenticationError
 from together.types import TogetherClient
 from together.utils import enforce_trailing_slash
+from together.utils.api_helpers import get_google_colab_secret
 
 
 class Together:
@@ -44,6 +46,9 @@ def __init__(
         if not api_key:
             api_key = os.environ.get("TOGETHER_API_KEY")
 
+        if not api_key and "google.colab" in sys.modules:
+            api_key = get_google_colab_secret("TOGETHER_API_KEY")
+
         if not api_key:
             raise AuthenticationError(
                 "The api_key client option must be set either by passing api_key to the client or by setting the "
@@ -117,6 +122,9 @@ def __init__(
         if not api_key:
             api_key = os.environ.get("TOGETHER_API_KEY")
 
+        if not api_key and "google.colab" in sys.modules:
+            api_key = get_google_colab_secret("TOGETHER_API_KEY")
+
         if not api_key:
             raise AuthenticationError(
                 "The api_key client option must be set either by passing api_key to the client or by setting the "
diff --git a/src/together/utils/api_helpers.py b/src/together/utils/api_helpers.py
index 2ec9d3f9..615c32d8 100644
--- a/src/together/utils/api_helpers.py
+++ b/src/together/utils/api_helpers.py
@@ -2,6 +2,7 @@
 
 import json
 import os
+import sys
 import platform
 from typing import TYPE_CHECKING, Any, Dict
 
@@ -12,6 +13,7 @@
 import together
 from together import error
 from together.utils._log import _console_log_level
+from together.utils import log_info
 
 
 def get_headers(
@@ -82,3 +84,41 @@ def default_api_key(api_key: str | None = None) -> str | None:
         return os.environ.get("TOGETHER_API_KEY")
 
     raise error.AuthenticationError(together.constants.MISSING_API_KEY_MESSAGE)
+
+
+def get_google_colab_secret(secret_name: str = "TOGETHER_API_KEY") -> str | None:
+    """
+    Checks to see if the user is running in Google Colab, and looks for the Together API Key secret.
+
+    Args:
+        secret_name (str, optional). Defaults to TOGETHER_API_KEY
+
+    Returns:
+        str: if the API key is found; None if an error occurred or the secret was not found.
+    """
+    # If running in Google Colab, check for Together in notebook secrets
+    if "google.colab" in sys.modules:
+        if TYPE_CHECKING:
+            from google.colab import userdata  # type: ignore
+        else:
+            from google.colab import userdata
+
+        try:
+            api_key = userdata.get(secret_name)
+            if not isinstance(api_key, str):
+                return None
+            else:
+                return str(api_key)
+        except userdata.NotebookAccessError:
+            log_info(
+                "The TOGETHER_API_KEY Colab secret was found, but notebook access is disabled. Please enable notebook "
+                "access for the secret."
+            )
+        except userdata.SecretNotFoundError:
+            # warn and carry on
+            log_info("Colab: No Google Colab secret named TOGETHER_API_KEY was found.")
+
+        return None
+
+    else:
+        return None
diff --git a/tests/integration/constants.py b/tests/integration/constants.py
index 0d330a2a..1c56030a 100644
--- a/tests/integration/constants.py
+++ b/tests/integration/constants.py
@@ -1,5 +1,5 @@
 completion_test_model_list = [
-    "mistralai/Mistral-7B-v0.1",
+    "meta-llama/Meta-Llama-3.1-8B-Instruct-Turbo",
 ]
 chat_test_model_list = []
 embedding_test_model_list = []
diff --git a/tests/integration/resources/test_completion.py b/tests/integration/resources/test_completion.py
index 8f436ace..59d1b140 100644
--- a/tests/integration/resources/test_completion.py
+++ b/tests/integration/resources/test_completion.py
@@ -213,7 +213,7 @@ def test_max_tokens(
         product(
             completion_test_model_list,
             completion_prompt_list,
-            [35000, 40000, 50000],
+            [200000, 400000, 500000],
         ),
     )
     def test_high_max_tokens(