Update app.py

app.py

@@ -3,9 +3,9 @@ FastEmbed-based Code Embedding Server
 Optimized for CPU Basic (2 vCPU, 16GB RAM)
 
 Models:
-- Dense: jinaai/jina-embeddings-v2-base-code (768 dim, 0.64GB)
+- Dense: BAAI/bge-base-en-v1.5	 (768 dim)
 - Sparse: Qdrant/bm25 (BM25, 0.01GB)
-- Reranker: jinaai/jina-reranker-v1-tiny-en (0.13GB)
+- Reranker: jinaai/jina-reranker-v1-turbo-en	 (0.13GB)
 """
 
 import time
@@ -20,9 +20,9 @@ from fastembed import TextEmbedding, SparseTextEmbedding
 from fastembed.rerank.cross_encoder import TextCrossEncoder
 
 # Model names
-DENSE_MODEL = "jinaai/jina-embeddings-v2-base-code"
+DENSE_MODEL = "BAAI/bge-base-en-v1.5"
 SPARSE_MODEL = "Qdrant/bm25"
-RERANKER_MODEL = "jinaai/jina-reranker-v1-tiny-en"
+RERANKER_MODEL = "jinaai/jina-reranker-v1-turbo-en"
 
 # Global model cache (loaded once, reused)
 _dense_model: TextEmbedding | None = None