Frontier models, general-purpose and domain-specific alike, now include a midtraining stage between pretraining and post-training, but little has been published about how this stage is built. We present an open midtraining recipe that primes base models for agentic post-training, and we show its effectiveness on two Ne...
Soumye Singhal, Joseph Jennings, Ka-Shun Shum et al.· 0 citations
How can we predict which base checkpoint is worth an expensive round of agentic post-training? End-to-end pass@$K$ tests whether successful behavior already appears in a base model's distribution, but it is a poor fit for agentic coding: many base checkpoints cannot reliably produce the well-formed tool invocation requ...
Tan Yu, A. Bukharin, Khushi Bhardwaj et al.· 1 citation
This work introduces a closed-loop, test-time prompt refinement framework that requires no additional training of the underlying T2I model, termed TIR, and demonstrates that this closed-loop strategy improves alignment and visual coherence across multiple benchmark datasets, all while maintaining plug-and-play integrat...
Mohammad Abdul Hafeez Khan, Y. Jain, Siddhartha Bhattacharyya et al.· 2025 IEEE/CVF International...· 17 citations· ⚡2
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