OpenAI plans to retire GPT-4, launched in March 2023, from ChatGPT on April 30, to be “fully replaced” by GPT-4o; GPT-4 will remain available via OpenAI’s API (Kyle Wiggers/TechCrunch)

Kyle Wiggers / TechCrunch:
OpenAI plans to retire GPT-4, launched in March 2023, from ChatGPT on April 30, to be “fully replaced” by GPT-4o; GPT-4 will remain available via OpenAI's API  —  OpenAI will soon retire GPT-4, an AI model it launched over two years ago, from ChatGPT, according to a changelog posted on Thursday.