GLM-5.2 is Zhipu AI’s open-weight model that now ranks as the strongest freely downloadable AI system in the world, combining a 1-million-token context window with an MIT license and pricing far below GPT-5.5 or Claude Opus 4.8. Released June 13, 2026, it landed at a pivotal moment for open-weight AI, arriving days after the US … Continue reading GLM-5.2 and Open-Weight AI Models in 2026