GPT-5.2 and GPT-5.3-Codex Sunset: Complete Migration Guide to GPT-5.5 for Codex Users
Practical Migration Guide for Developers and Teams Using OpenAI Codex: Navigating the June 2, 2026 Sunset of GPT-5.2 and GPT-5.3-Codex As OpenAI advances its AI product ecosystem, the planned sunset of the GPT-5.2 and GPT-5.3-Codex models for ChatGPT logins on June 2, 2026, signals a significant shift for developers and…
