diff --git a/scripts/custom_retriever.py b/scripts/custom_retriever.py
index 27949cf..fce0a99 100644
--- a/scripts/custom_retriever.py
+++ b/scripts/custom_retriever.py
@@ -6,6 +6,7 @@
 from llama_index.core import QueryBundle
 from llama_index.core.retrievers import BaseRetriever, VectorIndexRetriever
 from llama_index.core.schema import NodeWithScore, TextNode
+from llama_index.postprocessor.cohere_rerank import CohereRerank
 
 logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
@@ -71,4 +72,8 @@ def filter_nodes_by_unique_doc_id(nodes):
             else:
                 nodes_context.append(node)
 
+        reranker = CohereRerank(top_n=5, model="rerank-english-v3.0")
+        nodes_context = reranker.postprocess_nodes(nodes_context, query_bundle)
+        logfire.info(f"Cohere raranking to {len(nodes_context)} nodes")
+
         return nodes_context
diff --git a/scripts/gradio-ui.py b/scripts/gradio-ui.py
index 8428507..152133e 100644
--- a/scripts/gradio-ui.py
+++ b/scripts/gradio-ui.py
@@ -1,3 +1,4 @@
+import logging
 import os
 import pickle
 
@@ -22,6 +23,9 @@
 
 load_dotenv()
 
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=logging.INFO)
+logging.getLogger("httpx").setLevel(logging.WARNING)
 logfire.configure()
 
 
@@ -67,11 +71,10 @@
 ]
 
 
-# # Initialize MongoDB
 # mongo_db = (
 #     init_mongo_db(uri=MONGODB_URI, db_name="towardsai-buster")
 #     if MONGODB_URI
-#     else logger.warning("No mongodb uri found, you will not be able to save data.")
+#     else logfire.warn("No mongodb uri found, you will not be able to save data.")
 # )
 
 
@@ -223,11 +226,40 @@ def generate_completion(
 
 
 def vote(data: gr.LikeData):
+    collection = "liked_data-test"
     if data.liked:
         print("You upvoted this response: " + data.value["value"])
     else:
         print("You downvoted this response: " + data.value["value"])
 
+    # completion_json["liked"] = like_data.liked
+    # logger.info(f"User reported {like_data.liked=}")
+
+    # try:
+    #     cfg.mongo_db[collection].insert_one(completion_json)
+    # except:
+    #     logger.info("Something went wrong logging")
+
+
+# def save_completion(completion: Completion, history):
+#     collection = "completion_data-hf"
+
+#     # Convert completion to JSON and ignore certain columns
+#     completion_json = completion.to_json(
+#         columns_to_ignore=["embedding", "similarity", "similarity_to_answer"]
+#     )
+
+#     # Add the current date and time to the JSON
+#     completion_json["timestamp"] = datetime.utcnow().isoformat()
+#     completion_json["history"] = history
+#     completion_json["history_len"] = len(history)
+
+#     try:
+#         cfg.mongo_db[collection].insert_one(completion_json)
+#         logger.info("Completion saved to db")
+#     except Exception as e:
+#         logger.info(f"Something went wrong logging completion to db: {e}")
+
 
 accordion = gr.Accordion(label="Customize Sources (Click to expand)", open=False)
 sources = gr.CheckboxGroup(