19 August 2026

Zhihu releases GLM-5.3 model with improved performance via new training

First reported

Latent Space ran this on .

  • Zhihu, a Chinese AI company, released GLM-5.3 through its API without increasing the model's size, achieving better benchmark performance.
  • The improvement came from post-training techniques, specifically asynchronous reinforcement learning, which trains models to learn from trial and error rather than just raw data.

How it was covered