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tarekziade 
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dacorvo 
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sergiopaniego 
posted an update 10 days ago
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Frontier models use distillation as a step of their post-training pipelines.

In 2026 it has three jobs: compress a big model into a small one, merge RL experts into a single model, and let a model teach itself.

I wrote up which frontier models use each one and how: https://huggingface.co/blog/sergiopaniego/distillation-2026

It pairs with Class 2 of the Training an Agent series Ben and I are doing, where we teach these techniques hands-on with TRL!
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sergiopaniego 
posted an update 23 days ago
sergiopaniego 
posted an update 29 days ago
sergiopaniego 
posted an update about 1 month ago
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GLM-5.2 is open and comes with competitive performance against opus 4.8

day-0 in transformers + vllm + sglang, mit license 🤗

on the post-training side: critic-based ppo for variable-length agentic rollouts (ppo is back!) + an online anti-reward-hacking module that feeds the agent dummy info when it tries to cheat