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Z.ai debuts GLM-5.3, which uses the same base model as GLM-5.2 with scaled post-training for stronger coding skills; Z.ai plans to release weights in two weeks (Z.ai)
Z.ai released GLM-5.3, a minor iterative update to its prior GLM-5.2 large language model, achieved via scaled post-training focused on coding tasks, with model weights scheduled for public release in two weeks.
Aug 14, 2026
Progress-conditioned Group Policy Optimization for Long-Horizon Agentic Tasks
A new reinforcement learning method called ProGPO improves LLM agent training on long-horizon tasks by reweighting credit assignment when all rollouts fail, using state-visit novelty as a proxy for progress.
Jul 28, 2026
GLM-5.2: Built for Long-Horizon Tasks
Hugging Face announced GLM-5.2, a new open-weight language model optimized for long-context reasoning tasks, positioning it as a competitive alternative to proprietary models.
Published Jun 17, 2026 · Analyzed Jul 4, 2026