GPT-5 Review: Accuracy Up, Prices Down, Code Strong — But Bad for Creativity

What this post added

This post analyzes GPT-5's impact on RAG and agent development, emphasizing its improved accuracy, multimodal I/O, and cost reductions. It details how the 400k context window and better tool use enhance RAG pipelines and agent workflows. The post also argues for the continued relevance of vector databases like Milvus, stating that long context windows are not a replacement for structured retrieval and secure data management.