The best open-weight Z.ai model is GLM 5.1 (43.8 intelligence) — downloadable from Hugging Face and self-hostable. GLM 4.7 (42.1) and GLM 5 (40.6) round out the top three.
The best open-weight AI models — downloadable from Hugging Face and self-hostable — ranked by intelligence. Open-source alternatives to proprietary frontier models.
The best open-weight Z.ai model is GLM 5.1 (43.8 intelligence) — downloadable from Hugging Face and self-hostable. GLM 4.7 (42.1) and GLM 5 (40.6) round out the top three.
GLM 4.7 (42.1) is the closest alternative on this metric, followed by GLM 5 (40.6). See the full ranking above for the tradeoffs.
modelgrep tracks 10 Z.ai models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GLM 5 Turbo. 9 of them qualify for this ranking.