OpenAI to kill off GPT-4o, along with other legacy models
OpenAI is permanently retiring its GPT-4o model on February 13, 2026, along with several other older models. Despite bringing it back once after user backlash, the company says improvements in GPT-5.1 and GPT-5.2 now make the transition viable, with only 0.1% of users still choosing the legacy model. The retirement affects GPT-4o, GPT-4.1, GPT-4.1 mini, … Read more