--- author: "Umesh Malik" canonical: "https://umesh-malik.com/blog/tag/fine-tuning" description: "Explore articles tagged with Fine-Tuning by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Fine-Tuning best practices, practical tips, and in-depth guides." title: "Umesh Malik's Blog - Fine-Tuning Articles | Fine-Tuning Tutorials" tokens: 280 generator: "scripts/generate-page-markdown.mjs" --- [← Back to Blog](https://umesh-malik.com/blog) # Fine-Tuning 2 articles [![Reinforcement fine-tuning: a 4B open model matching a frontier LLM on retrieval at a fraction of the cost](https://umesh-malik.com/blog/reinforcement-fine-tuning-small-models-retrieval-cover.png) LLM Engineering • Aug 6, 2026 ### Reinforcement Fine-Tuning: When a 4B Model Beats GPT-5.6 Reinforcement fine-tuning let a 4B open model match GPT-5.6 Sol on retrieval at 100x lower cost. How RFT works, and when it beats prompting a frontier LLM. 10 min read Read more →](https://umesh-malik.com/blog/reinforcement-fine-tuning-small-models-retrieval) [![RAG vs fine-tuning architecture comparison for LLMs](https://umesh-malik.com/blog/rag-vs-fine-tuning-llms-2026-cover.png) AI Engineering • Feb 28, 2026 ### RAG vs Fine-Tuning for LLMs in 2026: A Production Decision Framework With Real Tradeoffs RAG vs fine-tuning for LLMs in 2026: a practical decision framework covering architecture tradeoffs, cost, latency, and when to use each in production. 6 min read Read more →](https://umesh-malik.com/blog/rag-vs-fine-tuning-llms-2026)