Open-Source Z.ai Models

Match · Updated July 2026

The best open-weight Z.ai model is GLM 5.2 (51.1 intelligence) — downloadable from Hugging Face and self-hostable. GLM 5.1 (40.2) and GLM 5 (39.5) round out the top three.

51.1Intelligence

$0.966Input /M

1.0MContext

The best open-source AI models — open-weight, downloadable from Hugging Face and self-hostable — ranked by intelligence. Open-source alternatives to proprietary frontier models.

Frequently asked

What is the best open-source Z.ai model?

The best open-weight Z.ai model is GLM 5.2 (51.1 intelligence) — downloadable from Hugging Face and self-hostable. GLM 5.1 (40.2) and GLM 5 (39.5) round out the top three.

What's a good alternative to GLM 5.2?

GLM 5.1 (40.2) is the closest alternative on this metric, followed by GLM 5 (39.5). See the full ranking above for the tradeoffs.

How many Z.ai models are there?

modelgrep tracks 12 Z.ai models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GLM 5.2. 10 of them qualify for this ranking.

More Z.ai rankings

Z.ai: Smartest LLMs Z.ai: Best LLMs for Coding Z.ai: Best LLMs for Design & Frontend Z.ai: Fastest LLMs Z.ai: Lowest-Latency LLMs Z.ai: Cheapest LLMs Z.ai: Best Free LLMs Z.ai: Best Reasoning LLMs Z.ai: Best Vision LLMs Z.ai: Best LLMs for Agents Z.ai: Longest-Context LLMs Z.ai: Best LLMs for Writing Z.ai: Best LLMs for Math & Science Z.ai: Best LLMs for RAG Z.ai: Best LLMs for SQL & Data Analysis Z.ai: Best LLMs for Roleplay Z.ai: Best Uncensored LLMs

All rankings

Small & Fast LLMs Best Local LLMs Smartest LLMs Best LLMs for Coding Best LLMs for Design & Frontend Fastest LLMs Lowest-Latency LLMs Cheapest LLMs Best Free LLMs Best Reasoning LLMs Best Vision LLMs Best LLMs for Agents Longest-Context LLMs Best LLMs for Writing Best LLMs for Math & Science Best LLMs for RAG Best LLMs for SQL & Data Analysis Best LLMs for Roleplay Best Uncensored LLMs