OpenAI Retires GPT-5.2 and Migrates All Users to GPT-5.5

Tech Times·medium signal

OpenAI is retiring GPT-5.2 and moving all users to GPT-5.5, consolidating its lineup amid swirling rumors of an imminent GPT-5.6. For API consumers this is a forced default change — anyone pinned to 5.2 behavior in production should re-run prompts and eval suites against 5.5 before the cutover to catch regressions in tool-calling or formatting.