--- title: "Jason Agostoni (@jagostoni) | Hashnode" description: "Principal Architect pursuing AI solutions. Read the latest articles by Jason Agostoni on Hashnode." url: "https://hashnode.com/@jagostoni" --- @jagostoni # Jason Agostoni @jagostoni · Pittsburgh, USA · Joined March 2026 Principal Architect pursuing AI solutions ### [Jev is not as cheap as you think. Unless it is.](https://jason.agostoni.net/jev-is-not-as-cheap-as-you-think-unless-it-is?utm_source=hashnode&utm_medium=feed) Everyone says Jev is cheap. Against my regex and embeddings it costs $33.20 per million questions. The evals say: depends. Real numbers. 7 min read · [jason.agostoni.net](https://jason.agostoni.net/jev-is-not-as-cheap-as-you-think-unless-it-is?utm_source=hashnode&utm_medium=feed) [Oct 17](https://hashnode.com/posts/jev-is-not-as-cheap-as-you-think-unless-it-is/6ad3c94bea2a6916603a6049) ### [Is It Still RAG If There's No Retrieval?](https://jason.agostoni.net/is-it-still-rag-if-there-s-no-retrieval?utm_source=hashnode&utm_medium=feed) 28 years of career data in one Markdown file: how I built a recruiter-facing chatbot that barely counts as RAG. No embeddings, no vector store. 11 min read · [jason.agostoni.net](https://jason.agostoni.net/is-it-still-rag-if-there-s-no-retrieval?utm_source=hashnode&utm_medium=feed) [Oct 4](https://hashnode.com/posts/is-it-still-rag-if-there-s-no-retrieval/6ac1acfc4f301e1dc162304d) ### [Can DeepSeek 4.1 Flash Replace Your $20 Coding Subscription?](https://jason.agostoni.net/can-deepseek-4-1-flash-replace-your-20-coding-subscription?utm_source=hashnode&utm_medium=feed) I ran DeepSeek 4.1 Flash through all five Ship-Bench roles: 94.5 average, 5/5 passes, $15.04 total. The catch shows up in review. 15 min read · [jason.agostoni.net](https://jason.agostoni.net/can-deepseek-4-1-flash-replace-your-20-coding-subscription?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/can-deepseek-4-1-flash-replace-your-20-coding-subscription/6ab9316ee71a7983af36d146) [Sep 27](https://hashnode.com/posts/can-deepseek-4-1-flash-replace-your-20-coding-subscription/6ab9316ee71a7983af36d146) ### [What Happens When Every AI Tool You Use Shares One Brain?](https://jason.agostoni.net/what-happens-when-every-ai-tool-you-use-shares-one-brain?utm_source=hashnode&utm_medium=feed) Three containers, one folder of Markdown, every AI tool I use sharing one brain. Total spend: a few pennies. A month in, I can't work without it. 7 min read · [jason.agostoni.net](https://jason.agostoni.net/what-happens-when-every-ai-tool-you-use-shares-one-brain?utm_source=hashnode&utm_medium=feed) [Sep 6](https://hashnode.com/posts/what-happens-when-every-ai-tool-you-use-shares-one-brain/6a9deb3539e6fa487b4dee4a) ### [Are You Using the Best Models for Your Agentic SDLC?](https://jason.agostoni.net/are-you-using-the-best-models-for-your-agentic-sdlc?utm_source=hashnode&utm_medium=feed) Five model combos ran the same agentic exercise. The AI Credit bill spanned 27x, and the cheapest serious run wasn't the best. Real numbers. 11 min read · [jason.agostoni.net](https://jason.agostoni.net/are-you-using-the-best-models-for-your-agentic-sdlc?utm_source=hashnode&utm_medium=feed) [Aug 23](https://hashnode.com/posts/are-you-using-the-best-models-for-your-agentic-sdlc/6a8b7b988cd407c329e4f17e)