diff --git a/litellm/integrations/prometheus.py b/litellm/integrations/prometheus.py
index 642a776b64..ed50350749 100644
--- a/litellm/integrations/prometheus.py
+++ b/litellm/integrations/prometheus.py
@@ -138,6 +138,13 @@ class PrometheusLogger(CustomLogger):
                 labelnames=["hashed_api_key", "api_key_alias", "model"],
             )
 
+            # New metric for tracking error codes and models
+            self.litellm_error_code_metric = Counter(
+                "litellm_error_code_metric",
+                "Total number of errors by error code and model",
+                labelnames=["error_code", "model"],
+            )
+
             # Litellm-Enterprise Metrics
             if premium_user is True:
 
@@ -378,7 +385,7 @@ class PrometheusLogger(CustomLogger):
         from litellm.proxy.proxy_server import premium_user
 
         verbose_logger.debug(
-            f"prometheus Logging - Enters success logging function for kwargs {kwargs}"
+            f"prometheus Logging - Enters failure logging function for kwargs {kwargs}"
         )
 
         # unpack kwargs
@@ -409,6 +416,16 @@ class PrometheusLogger(CustomLogger):
                 user_id,
             ).inc()
             self.set_llm_deployment_failure_metrics(kwargs)
+
+            _exception = kwargs.get("exception", None)
+            error_code = "unknown"
+            if _exception is not None and hasattr(_exception, "status_code"):
+                error_code = _exception.status_code
+
+            # Increment the new error code metric
+            self.litellm_error_code_metric.labels(
+                error_code=error_code, model=model
+            ).inc()
         except Exception as e:
             verbose_logger.exception(
                 "prometheus Layer Error(): Exception occured - {}".format(str(e))
diff --git a/litellm/proxy/proxy_config.yaml b/litellm/proxy/proxy_config.yaml
index c5f736bacc..e97833421e 100644
--- a/litellm/proxy/proxy_config.yaml
+++ b/litellm/proxy/proxy_config.yaml
@@ -3,21 +3,12 @@ model_list:
    litellm_params:
      model: openai/fake
      api_key: fake-key
-     api_base: https://exampleopenaiendpoint-production.up.railway.app/
-     tags: ["teamA"] # 👈 Key Change
    model_info:
      id: "team-a-model" # used for identifying model in response headers
- - model_name: fake-openai-endpoint
-   litellm_params:
-     model: openai/fake
-     api_key: fake-key
-     api_base: https://exampleopenaiendpoint-production.up.railway.app/
-     tags: ["teamB"] # 👈 Key Change
-   model_info:
-     id: "team-b-model" # used for identifying model in response headers
 
-router_settings:
- enable_tag_filtering: True # 👈 Key Change
+litellm_settings:
+  success_callback: ["prometheus"]
+  failure_callback: ["prometheus"]
 
 general_settings: 
  master_key: sk-1234 
\ No newline at end of file