OpenAI Sunsets GPT-5.2 and GPT-5.3-Codex: What Developers Need to Know About the Model Transition
Overview: OpenAI’s Retirement of GPT-5.2 and GPT-5.3-Codex Models In June 2026, OpenAI announced the official sunset of GPT-5.2 and GPT-5.3-Codex models from their Codex subscription offerings. This decision marks a significant shift in OpenAI’s model strategy, with a focus on consolidating and enhancing capabilities under the newly released GPT-5.5 series….
