Tech article
I Put a 5MB Rust Binary Between My Code and Every LLM API — It Cut My Bill by 40%
Community description: Every developer using LLMs faces the same three problems: Cost blindness — you cannot answer "how...
Dev.to | Mar 6, 2026 | Lakshmi Sravya Vedantham
Automated excerpt
A single Rust binary (~5MB) that sits between your code and every LLM API. Routes to next one automatically │ Cache hits: 38 (26. 8%) │ │ 14:23:01 openai gpt-4 200 $0. 0450 │ │ 14:22:58 openai gpt-4 200 $0. 0000 │ │ 14:22:55 anthropic claude-sonnet 200 $0. 0120 │ The second request shows $0. 00 — that is a cache hit. OpenAI returns a 5xx? llmux marks it unhealthy and routes to Anthropic.
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