What we shipped.

Atlas-1 is now Newmen's optimization-layer default. Drop in the model name, and Atlas serves the cheapest path that passes your eval gates per call. If quality drops, the call isn't billed.

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One env var. The models you already use. Atlas is the optimization layer that serves every call the cheapest way that holds quality — and proves it on your own traffic.

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A founding note on model drift, the annotation gap, and the three things we decided you should never have to do yourself.

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Why iterating on prompts solves the wrong problem, and what the production-safe alternative looks like.

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We dogfood the opt-in Reliability Loop and use our own eval system to gate tuned-adapter releases. Here is a case where it actually worked.

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The observability design decision that eliminated the export-label-upload cycle — and why it means corrections feed the optimization loop without a pipeline.

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Atlas is the optimization layer, not a model. Here's what it conditions on per call to serve the cheapest path that holds quality — and how that sharpens as your operation accumulates traffic.

3 min read