OpenAI says GPT-5 is rolling out to all users, replacing previous models with immediate effect ChatGPT now includes automatic model routing via GPT-5 models Enterprise APIs still include access to ...
OpenAI has restored GPT-4o to the ChatGPT model picker for all paid users, following backlash over the removal of older models. Users can now enable additional legacy options like GPT-4.1 and o3 in ...