GPT-4 API general availability and deprecation of older models in the Completions API
GPT-4 API now generally available. OpenAI retires older Completions models by early 2024.

Why it matters
OpenAI moves GPT-4 from limited beta to production availability, forcing developers to migrate off deprecated Completions API endpoints. Signals shift toward standardized, newer model architecture.
The key facts
13 to knowGPT-4 API reaches general availability (GA)
GPT-3.5 Turbo API reaches GA
DALL·E API reaches GA
Whisper API reaches GA
Completions API deprecation plan announced
Older Completions models retiring early 2024
Published April 24, 2024
GPT-4 API moved to general availability (removes waitlist restriction)
GPT-3.5 Turbo API now generally available
DALL·E API now generally available
Whisper API now generally available
Legacy Completions models retire Jan 2024
Published Apr 24, 2024 (note: this is likely from 2023 based on Jan 2024 sunset date; timestamp may be inaccurate)
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: 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.