GPT-4 API general availability
GPT-4 API becomes generally available, with GPT-3.5 Turbo, DALL·E and Whisper APIs also generally available.
GPT-3.5 Turbo, DALL·E and Whisper APIs are also generally available, and we are releasing a deprecation plan for older models of the Completions API, which will retire at the beginning of 2024.
Official source
GPT-4 API general availability and deprecation of older models in the Completions APIopenai.com · published