The Case Against RAG: Why I Switched from ChatGPT's RAG to Gemini Pro's 'Brute-Force Long Context'
Published:Jan 3, 2026 02:00
•1 min read
•Zenn AI
Analysis
This article discusses the author's frustration with implementing Retrieval-Augmented Generation (RAG) with ChatGPT and their subsequent switch to using Gemini Pro's long context window capabilities. The author highlights the complexities and challenges associated with RAG, such as data preprocessing, chunking, vector database management, and query tuning. They suggest that Gemini Pro's ability to handle longer contexts directly eliminates the need for these complex RAG processes in certain use cases.
Key Takeaways
- •RAG implementation can be complex and time-consuming.
- •Gemini Pro's long context window offers an alternative to RAG in some cases.
- •Data preprocessing and vector database management are significant challenges in RAG.
- •The choice between RAG and long context models depends on the specific use case and requirements.
Reference
“"I was tired of the RAG implementation with ChatGPT, so I completely switched to Gemini Pro's 'brute-force long context'."”