Opinion: GPT-5.4 in Cursor 3 Replaces Opus for Coding

Melvin Vivas · X post · 2026-04-13 · Open on X

Topics: AI Dev Tools & Productivity · Level: beginner

Summary

A short opinion: the creator finds GPT-5.4 inside Cursor 3 strong enough that he no longer uses Claude Opus for coding.

Key points

• The creator prefers GPT-5.4 in Cursor 3 over Claude Opus for coding.
• This is a personal preference, not a benchmark.

Resources mentioned

• Cursor · tool · x.com · free · recommended by both Bashiri Smith & Melvin Vivas
  AI-native code editor (VS Code with AI built in).
  Also in: GLM 5.3 and GLM 5.3 Flash now in Cursor (Melvin Vivas on X · notes), 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) and 121 more
• GPT-5.4 · tool · openai.com · paid
  OpenAI frontier model (Thinking and Pro variants) for reasoning, coding and agents.
  Also in: Splitting AI Tools: Cursor 3 + GPT-5.4 for Code, Claude for Learning (Melvin Vivas on X · notes), Creator's Coding Setup: Cursor 3 with GPT 5.4 (Melvin Vivas on X · notes), Open-Source GLM-5.1 Beats GPT-5.4 on SWE-Bench Pro (Melvin Vivas on X · notes), GPT-5.4 Is Available in OpenAI Codex (Melvin Vivas on X · notes) and 2 more