Unverified50% confidenceOpinionExact time
Apertus 1.5 places RLVR after SFT and before DPO, first solidifying reasoning and code capabilities with deterministic rewards, then shaping style and safety with preference signals, and finally aligning with charter-style specifications through self-distillation, forming a progression from hard capabilities to soft behaviors.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/16/2026
First Seen
Valid until: 1/14/2027
Sources
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