Co-Founder

Dennis Royster

Co-founder of SparkFire Solutions and a cloud engineer, based in Chicago. Also co-founded Babidi AI.

The real cost of building an in-house LLM stack

What it actually costs to run production LLMs in 2026, well beyond the per token sticker price. Inference, evaluations, observability, the whole picture.

Dennis RoysterFeb 8, 20263 min read

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