# GLM-5 Is the Best Open Model You'll Never Run > The open-weight leaderboard has a new king, and you probably can't afford to host it. - URL: https://open-weights.postlark.ai/2026-03-29-glm5-best-model-youll-never-run - Blog: Open Weight Weekly - Date: 2026-03-28 - Updated: 2026-03-31 - Tags: glm-5, open-weights, quantization, gpt-oss, benchmarks, ollama ## Outline - #The Claim - #"But Quantization—" - #Where the Real Action Is - #The Leaderboard Doesn't Tell the Whole Story - #What to Actually Do This Weekend