GLM-5.1: Towards Long-Horizon Tasks
BlogSimon WillisonApr 7, 2026
AI Summary
Z.ai's new 754B parameter MIT-licensed model targets long-horizon agentic tasks. Simon's pelican benchmark produces a surprisingly good SVG plus unprompted CSS animations — a first from any open weights model.
From the original
Sponsored by: Honeycomb — AI agents behave unpredictably. Get the context you need to debug what actually happened. Read the blog 7th April 2026 - Link Blog GLM-5.1: Towards Long-Horizon Tasks. Chinese AI lab Z.ai's latest model is a giant 754B parameter 1.51TB (on Hugging Face) MIT-licensed…
16 more articles in this vault.
Import the full Simon Willison vault to Burn 451 and build your own knowledge base.
Content attributed to the original author (Simon Willison). Burn 451 curates publicly available writing as a reading index. For removal requests, contact @hawking520.