diff --git a/litellm/integrations/greenscale.py b/litellm/integrations/greenscale.py
new file mode 100644
index 00000000000..3ff808ddbba
--- /dev/null
+++ b/litellm/integrations/greenscale.py
@@ -0,0 +1,51 @@
+import requests
+import json
+import traceback
+from datetime import datetime, timezone
+
+class GreenscaleLogger:
+    def __init__(self):
+        import os
+        self.greenscale_api_key = os.getenv("GREENSCALE_API_KEY")
+        self.headers = {
+            "api-key": self.greenscale_api_key,
+            "Content-Type": "application/json"
+        }
+        self.greenscale_logging_url = os.getenv("GREENSCALE_ENDPOINT")
+
+    def log_event(self, kwargs, response_obj, start_time, end_time, print_verbose):
+        try:
+            response_json = response_obj.model_dump() if response_obj else {}
+            data = {
+                "modelId": kwargs.get("model"),
+                "inputTokenCount": response_json.get("usage", {}).get("prompt_tokens"),
+                "outputTokenCount": response_json.get("usage", {}).get("completion_tokens"),
+            }
+            data["timestamp"] = datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')
+            
+            if type(end_time) == datetime and type(start_time) == datetime:
+                data["invocationLatency"] = int((end_time - start_time).total_seconds() * 1000)
+
+
+            # Add additional metadata keys to tags
+            tags = []
+            metadata = kwargs.get("litellm_params", {}).get("metadata", {})
+            for key, value in metadata.items():
+                if key.startswith("greenscale"): 
+                    if key == "greenscale_project":
+                        data["project"] = value
+                    elif key == "greenscale_application":
+                        data["application"] = value
+                    else:
+                        tags.append({"key": key.replace("greenscale_", ""), "value": str(value)})
+            
+            data["tags"] = tags
+
+            response = requests.post(self.greenscale_logging_url, headers=self.headers, data=json.dumps(data, default=str))
+            if response.status_code != 200:
+                print_verbose(f"Greenscale Logger Error - {response.text}, {response.status_code}")
+            else:
+                print_verbose(f"Greenscale Logger Succeeded - {response.text}")
+        except Exception as e:
+            print_verbose(f"Greenscale Logger Error - {e}, Stack trace: {traceback.format_exc()}")
+            pass
\ No newline at end of file
diff --git a/litellm/utils.py b/litellm/utils.py
index 17a31751d96..12ad0fc2b78 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -70,6 +70,7 @@ from .integrations.prometheus import PrometheusLogger
 from .integrations.dynamodb import DyanmoDBLogger
 from .integrations.s3 import S3Logger
 from .integrations.clickhouse import ClickhouseLogger
+from .integrations.greenscale import GreenscaleLogger
 from .integrations.litedebugger import LiteDebugger
 from .proxy._types import KeyManagementSystem
 from openai import OpenAIError as OriginalError
@@ -129,6 +130,7 @@ dynamoLogger = None
 s3Logger = None
 genericAPILogger = None
 clickHouseLogger = None
+greenscaleLogger = None
 lunaryLogger = None
 aispendLogger = None
 berrispendLogger = None
@@ -1717,6 +1719,33 @@ class Logging:
                             user_id=kwargs.get("user", None),
                             print_verbose=print_verbose,
                         )
+                    if callback == "greenscale":
+                        kwargs = {}
+                        for k, v in self.model_call_details.items():
+                            if (
+                                k != "original_response"
+                            ):  # copy.deepcopy raises errors as this could be a coroutine
+                                kwargs[k] = v
+                        # this only logs streaming once, complete_streaming_response exists i.e when stream ends
+                        if self.stream:
+                            verbose_logger.debug(
+                                f"is complete_streaming_response in kwargs: {kwargs.get('complete_streaming_response', None)}"
+                            )
+                            if complete_streaming_response is None:
+                                break
+                            else:
+                                print_verbose(
+                                    "reaches greenscale for streaming logging!"
+                                )
+                                result = kwargs["complete_streaming_response"]
+          
+                        greenscaleLogger.log_event(
+                            kwargs=kwargs,
+                            response_obj=result,
+                            start_time=start_time,
+                            end_time=end_time,
+                            print_verbose=print_verbose,
+                        )
                     if callback == "cache" and litellm.cache is not None:
                         # this only logs streaming once, complete_streaming_response exists i.e when stream ends
                         print_verbose("success_callback: reaches cache for logging!")
@@ -6304,7 +6333,7 @@ def validate_environment(model: Optional[str] = None) -> dict:
 
 def set_callbacks(callback_list, function_id=None):
 
-    global sentry_sdk_instance, capture_exception, add_breadcrumb, posthog, slack_app, alerts_channel, traceloopLogger, athinaLogger, heliconeLogger, aispendLogger, berrispendLogger, supabaseClient, liteDebuggerClient, lunaryLogger, promptLayerLogger, langFuseLogger, customLogger, weightsBiasesLogger, langsmithLogger, dynamoLogger, s3Logger, dataDogLogger, prometheusLogger
+    global sentry_sdk_instance, capture_exception, add_breadcrumb, posthog, slack_app, alerts_channel, traceloopLogger, athinaLogger, heliconeLogger, aispendLogger, berrispendLogger, supabaseClient, liteDebuggerClient, lunaryLogger, promptLayerLogger, langFuseLogger, customLogger, weightsBiasesLogger, langsmithLogger, dynamoLogger, s3Logger, dataDogLogger, prometheusLogger, greenscaleLogger
 
     try:
         for callback in callback_list:
@@ -6391,6 +6420,9 @@ def set_callbacks(callback_list, function_id=None):
             elif callback == "supabase":
                 print_verbose(f"instantiating supabase")
                 supabaseClient = Supabase()
+            elif callback == "greenscale":
+                greenscaleLogger = GreenscaleLogger()
+                print_verbose("Initialized Greenscale Logger")
             elif callback == "lite_debugger":
                 print_verbose(f"instantiating lite_debugger")
                 if function_id: