The Hallway Track
Product Launches

[AINews] GLM > GPT? GLM-5.2 passes vibe check; Z.ai forecasts Open Fable by December

Latent Space Blog · Jun 19, 2026 · Product Launches

GLM-5.2 passes the 'frontier model that happens to be open' vibe check with credible out-of-sample validation.

“this is a frontier model that just happens to be open”

Latent Space reports that GLM-5.2 is winning credibility as a genuine frontier-level open model, validated by out-of-sample data and praise from skeptics like Jeremy Howard, unlike its benchmaxxed predecessor GLM-5.1. Z.ai is also forecasting an 'Open Fable' release by December, signaling that Chinese open-weight labs are closing the gap with closed frontier models.

open-models GLM benchmarks Z.ai coding-models

Watch / read the original source →