# DSPy 3.4.0 adds native Jev and System One support

Isaac Miller says DSPy 3.4.0 adds native support for Jev and System One models and introduces ReAnchor, an optimizer for calibrating outputs with confidence.

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Source: TypeSafe AI · Published 9/25/2026, 13:56:33

Isaac Miller says DSPy 3.4.0 has been released with native support for Jev and System One models inside DSPy. The models can be used with compatible signatures.

The release also adds ReAnchor, an optimizer for calibrating outputs with confidence.

Tags: DSPy, System One, Jev, ReAnchor

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