diff --git a/litellm/utils.py b/litellm/utils.py
index ce6b2aa9c6a..8aa5eb6561b 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2364,14 +2364,27 @@ def register_model(model_cost: Union[str, dict]):  # noqa: PLR0915
     elif isinstance(model_cost, str):
         loaded_model_cost = litellm.get_model_cost_map(url=model_cost)
 
+    # Providers that trigger side effects (e.g., OAuth flows) when get_model_info is called
+    # Skip get_model_info for these providers during model registration
+    _skip_get_model_info_providers = {
+        LlmProviders.GITHUB_COPILOT.value,
+    }
+
     for key, value in loaded_model_cost.items():
         ## get model info ##
-        try:
-            existing_model: dict = cast(dict, get_model_info(model=key))
-            model_cost_key = existing_model["key"]
-        except Exception:
-            existing_model = {}
+        provider = value.get("litellm_provider", "")
+        if provider in _skip_get_model_info_providers or any(
+            key.startswith(f"{p}/") for p in _skip_get_model_info_providers
+        ):
+            existing_model = litellm.model_cost.get(key, {})
             model_cost_key = key
+        else:
+            try:
+                existing_model = cast(dict, get_model_info(model=key))
+                model_cost_key = existing_model["key"]
+            except Exception:
+                existing_model = {}
+                model_cost_key = key
         ## override / add new keys to the existing model cost dictionary
         updated_dictionary = _update_dictionary(existing_model, value)
         litellm.model_cost.setdefault(model_cost_key, {}).update(updated_dictionary)