GLM 5.2 as a Default Open Model for Claude Code

Melvin Vivas · X post · 2026-06-21 · Open on X

Topics: LLM Fundamentals, AI Dev Tools & Productivity · Level: beginner

Summary

The creator says GLM 5.2 is now his default open-weight model. He finds it works well inside Claude Code and calls it the best GLM release so far. It's a short practitioner opinion on picking an open model for agentic coding.

Key points

• GLM 5.2 is the creator's default open model.
• It works well as the model behind Claude Code.
• He rates it better than earlier GLM versions for coding.

Resources mentioned

• GLM 5.2 · tool · huggingface.co · free
  A GLM-family LLM (the transcript says 'GLM-5-2') that the demo ranked as a strong, affordable model for coding and design.
  Also in: Qwen3.8-Max on the Frontend Code Arena cost-performance frontier (Melvin Vivas on X · notes), Models That Work With the Hermes Agent for Personal Productivity (Melvin Vivas on X · notes), Open Model GLM 5.2 Helped Mitigate OpenAI-Caused Cyberattack (Melvin Vivas on X · notes), AI News Roundup: Claude Fable 5, Scientist AI, ZCode, NVIDIA RL (Melvin Vivas on X · notes) and 27 more
• Claude Code · tool · code.claude.com · paid · recommended by both Bashiri Smith & Melvin Vivas
  Build agents and pipelines from the terminal; the guide's main agentic coding tool.
  Also in: Create Claude Code Plugins with /plugin-authoring (Melvin Vivas on X · notes), Claude Code mods: customize behavior and UI with plugins (Melvin Vivas on X · notes), AI Engineer Roadmap Overview: From ML Foundations to RAG, Agents & Ops (Bashiri Smith on Facebook · notes), SkillsBento: Free Plugin Marketplace for Codex and Claude Code (Melvin Vivas on X · notes) and 101 more

Try this

• Try GLM 5.2 as the model backend in Claude Code.