add og and thumb

apps/www/_blog/2023-07-13-pgvector-performance.mdx

@@ -8,8 +8,8 @@ tags:
 date: '2023-07-13'
 toc_depth: 2
 author: egor_romanov,pavel
-image: 2023-07-13-pgvector-performance/chatgpt-plugins-support-postgres.jpeg
-thumb: 2023-07-13-pgvector-performance/chatgpt-plugins-support-postgres.jpeg
+image: 2023-07-13-pgvector-performance/vector-benchmarks-og.jpeg
+thumb: 2023-07-13-pgvector-performance/vector-benchmarks-thumb.jpeg
 ---
 
 There are a few pgvector benchmarks floating around the internet, most recently a [pgvector vs Qdrant](https://nirantk.com/writing/pgvector-vs-qdrant/) comparison by NirantK. We wanted to reproduce (or improve!) the results.