{"slug": "how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list", "title": "How I Actually Cut My LLM Bill: As a Software Engineer’s Approach, Not a Tips List", "summary": "A software engineer describes how they cut their LLM bill by routing requests to different models based on complexity, rather than using a single capable model for all tasks. The approach treats model selection as an architectural decision, similar to backend service routing, and proved more effective than generic token-saving tips.", "body_md": "Member-only story\n\n# How I Actually Cut My LLM Bill: As a Software Engineer’s Approach, Not a Tips List\n\n## There are a hundred “10 ways to save on tokens” articles out there. This is what I actually built, on a real internal tool, and the one change that did most of the work.\n\nI want to skip the generic advice for a second. You’ve probably already read “shorten your prompts” and “cache your context” a dozen times. Some of it’s useful. Most of it treats token cost like a checklist instead of what it actually is: an architecture decision.\n\nSo here’s the honest version — how I approached this as a software engineer on a real internal automation tool we run, not as a list of tips copied from a blog post. The single biggest lever wasn’t prompt-shortening. It was treating “which model handles this request” as a real design decision, the same way you’d decide which service handles a request in any other backend system.\n\n## The mistake I started with (and most teams make)\n\nWhen we first wired LLM calls into this internal tool, every request — easy or hard — went to the same capable model. It worked. It was also needlessly expensive, because most of what an internal automation tool actually does isn’t hard…", "url": "https://wpnews.pro/news/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list", "canonical_source": "https://pub.towardsai.net/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list-d16b51ada2bf?source=rss----98111c9905da---4", "published_at": "2026-07-15 13:01:01+00:00", "updated_at": "2026-07-15 13:23:30.896153+00:00", "lang": "en", "topics": ["large-language-models", "ai-infrastructure", "developer-tools"], "entities": [], "alternates": {"html": "https://wpnews.pro/news/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list", "markdown": "https://wpnews.pro/news/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list.md", "text": "https://wpnews.pro/news/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list.txt", "jsonld": "https://wpnews.pro/news/how-i-actually-cut-my-llm-bill-as-a-software-engineers-approach-not-a-tips-list.jsonld"}}