OpenAI Retires GPT-4o from ChatGPT on 13 February: What Changes for UK Businesses
OpenAI is retiring GPT-4o, GPT-4.1, o4-mini, and both GPT-5 variants from ChatGPT on 13 February with just two weeks' notice. GPT-5.2 becomes the only model, the same model Sam Altman admitted had writing quality issues. What UK businesses using ChatGPT need to do before the deadline.