Topic
Glm 5 3
2 episodes
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Overview: Long Horizon training
We slow down on long-horizon training: what it means to train a model for the whole arc of a task instead of the next shiny step. We use the repo-fix mental model, then walk through rewards, credit assignment, curricula, decomposition, and why this is still very much live in agent work.
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GLM 5.3: Scaling Post Training with Long Horizon Environments
Vince and Ava discuss Z dot A I's G L M five point three release, focusing on the claim that post-training alone drove the gains, with long-horizon task environments as the real lever.