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GRPO leaves the chatbot and starts fixing OCR, while DPO and GRPO get debugged from the inside

GRPO leaves the chatbot and starts fixing OCR, while DPO and GRPO get debugged from the inside

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6 min read
Distillation's Hidden Costs and Payoffs — Teachers Leak Behavior, Reward Models Surpass Them

Distillation's Hidden Costs and Payoffs — Teachers Leak Behavior, Reward Models Surpass Them

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5 min read
GRPO keeps winning the RL-vs-data argument, and LoRA gets a mechanistic audit

GRPO keeps winning the RL-vs-data argument, and LoRA gets a mechanistic audit

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7 min read
Teaching GRPO to Doubt Itself — Calibrated Fixes for Noisy Graders and Reward Hacking

Teaching GRPO to Doubt Itself — Calibrated Fixes for Noisy Graders and Reward Hacking

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6 min read
On-policy distillation is quietly eating GRPO's lunch — and DPO's tax bill just got itemized

On-policy distillation is quietly eating GRPO's lunch — and DPO's tax bill just got itemized

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8 min read