diff --git a/litellm/integrations/braintrust_logging.py b/litellm/integrations/braintrust_logging.py
index 364fa3f5def..585de510e8b 100644
--- a/litellm/integrations/braintrust_logging.py
+++ b/litellm/integrations/braintrust_logging.py
@@ -225,10 +225,13 @@ class BraintrustLogger(CustomLogger):
                 "id": litellm_call_id,
                 "input": prompt["messages"],
                 "metadata": standard_logging_object,
-                "tags": tags,
                 "span_attributes": {"name": span_name, "type": "llm"},
             }
-            
+
+            # Braintrust cannot specify 'tags' for non-root spans 
+            if dynamic_metadata.get("root_span_id") is None:
+                request_data["tags"] = tags
+
             # Only add those that are not None (or falsy)
             for key, value in span_attributes.items():
                 if value:
@@ -351,14 +354,37 @@ class BraintrustLogger(CustomLogger):
             # Allow metadata override for span name
             span_name = dynamic_metadata.get("span_name", "Chat Completion")
 
+            # Span parents is a special case
+            span_parents = dynamic_metadata.get("span_parents")
+
+            # Convert comma-separated string to list if present
+            if span_parents:
+                span_parents = [s.strip() for s in span_parents.split(",") if s.strip()]
+
+            # Add optional span attributes only if present
+            span_attributes = {
+                "span_id": dynamic_metadata.get("span_id"),
+                "root_span_id": dynamic_metadata.get("root_span_id"),
+                "span_parents": span_parents,
+            }
+
             request_data = {
                 "id": litellm_call_id,
                 "input": prompt["messages"],
                 "output": output,
                 "metadata": standard_logging_object,
-                "tags": tags,
                 "span_attributes": {"name": span_name, "type": "llm"},
             }
+
+            # Braintrust cannot specify 'tags' for non-root spans 
+            if dynamic_metadata.get("root_span_id") is None:
+                request_data["tags"] = tags
+
+            # Only add those that are not None (or falsy)
+            for key, value in span_attributes.items():
+                if value:
+                    request_data[key] = value
+
             if choices is not None:
                 request_data["output"] = [choice.dict() for choice in choices]
             else:
@@ -367,9 +393,6 @@ class BraintrustLogger(CustomLogger):
             if metrics is not None:
                 request_data["metrics"] = metrics
 
-            if metrics is not None:
-                request_data["metrics"] = metrics
-
             try:
                 await self.global_braintrust_http_handler.post(
                     url=f"{self.api_base}/project_logs/{project_id}/insert",