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Predictive Systems

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Notes from two years of building explainable AI.

41 posts on AI strategy, integration, and what it takes to ship systems your team can trust.

How sure was Jev when it was right?

We swapped our LLM judge for Jev, a yes/no decision model that is a hundred times cheaper. It beat the LLM on seven of eight gates, missed half the leaked answers on the one that matters most, and gave us something the LLM never did: a confidence score that drops when it is wrong.

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2026

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2024