OpenAI to Retire Popular GPT-4o Model API Access by February 2026 Amid Transition to GPT-5.1
OpenAI announced the planned retirement of its GPT-4o model API access in February 2026, marking a significant shift as developers are urged to migrate to the more advanced and cost-effective GPT-5.1 series. Despite the API phase-out, GPT-4o will remain available to individual ChatGPT users for the foreseeable future.
