We decreased our LLM costs with Opus

BlogWe Upgraded to a Frontier Model and Our Costs Went DownAndrea Luzzardi·Mar 6, 2026·5 min read{"@context":"https://schema.org","@type":"BlogPosting","headline":"We Upgraded to a Frontier Model and Our Costs Went Down","description":"We switched to a frontier model and our costs went down. Here's the architecture that made it possible.","url":"https://mendral.com/blog/frontier-model-lower-costs","mainEntityOfPage":"https://mendral.com/blog/frontier-model-lower-costs","datePublished":"2026-03-06","author":{"@type":"Person","name":"Andrea Luzzardi"}}Last week we wrote about feeding terabytes of CI logs to an LLM. Most of the questions on Hacker News weren't about the logs. They were about the agent: which models, how they coordinate, and how much it all costs.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at Mendral.