DSPy 3.4.0 ships native Jev support and ReAnchor optimizer for confidence calibration
dbreunig · x · 2026-09-25
DSPy 3.4.0 is out with native support for Jev and System one models inside compatible signatures, plus a new ReAnchor optimizer for calibrating outputs by confidence. Shipping alongside it, dbreunig released Jev support for DSPy with an optimizer that calibrates Jev's output thresholds against your own metric — works with existing signatures and metrics, and switching between an LM and Jev takes one line. A meaningful upgrade for agent/prompt-eval engineering.
Related event: DSPy 3.4.0 ships native Jev/System One support and ReAnchor optimizer(10 posts)→
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