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TypeSafe AI

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The company blog and documentation of TypeSafe AI, which builds Jev and the model class it calls System One. Primary for what the model does, what it costs and what it returns, and unusual among vendor blogs in publishing the caveats beside its own measurements: which reference models were used, who built the evaluation workflows, and where the reported speedups are at the high end. Its benchmark claims remain the vendor's own until someone else repeats them.

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TypeSafe AI opened early access to Jev, a model that returns decisions instead of text

Jev does not write sentences. It reads unstructured input and returns a value whose shape you declared in advance, with a calibrated probability attached to every field. TypeSafe AI charges $0.042 per million input tokens, charges nothing for output, and reports end-to-end response times of 70 to 500 milliseconds. The speed and cost multiples on its home page come from evaluations the company built and ran itself.

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