GLM 5.3 and GLM 5.3 Flash now in Cursor

Melvin Vivas · X post · 2026-10-02 · Open on X

Topics: AI Dev Tools & Productivity, Industry Trends & Job Market, LLM Fundamentals · Level: beginner

Summary

News: GLM 5.3 and GLM 5.3 Flash can now be used in Cursor. GLM 5.3 Max is called the best-scoring open-weight model on CursorBench 4.0, so it is worth trying as an open-weight coding model.

Key points

• GLM 5.3 and GLM 5.3 Flash can now be picked in Cursor.
• GLM 5.3 Max is reported as the top open-weight model on CursorBench 4.0.
• Flash is the faster, lighter version.

Resources mentioned

• GLM 5.3 / GLM 5.3 Flash · tool · cursor.com · paid
  Open-weight model family; the Max version is the top open-weight scorer on CursorBench 4.0.
• Cursor · tool · x.com · free · recommended by both Bashiri Smith & Melvin Vivas
  AI-native code editor (VS Code with AI built in).
  Also in: Grok Bot Can Now Hand Off Coding Tasks to Cursor (Melvin Vivas on X · notes), Why Plan Mode Still Matters in AI Coding Assistants (Codex, Claude, Cursor) (Melvin Vivas on X · notes), Why Plan Mode Still Matters in AI Coding Agents (Codex, Claude, Cursor) (Melvin Vivas on X · notes), AI DevBox v1.3.0: a GPU-ready Docker image with coding-agent CLIs (Melvin Vivas on X · notes) and 121 more
• CursorBench 4.0 · other · cursor.com · free
  Cursor's benchmark for how well models handle coding tasks.