Models supported by completion API

API
1

Which of the following models are supported by the Completions API in the OpenAI ecosystem?

  1. gpt-3.5-turbo
  2. gpt-4
    3.text-davinci-003
  3. gpt-3.5-turbo-16k
2

There are two endpoints for language inference:

completions

davinci-002
babbage-002
legacy
davinci, curie, babbage, ada
text-davinci-00x, etc
…

chat

“gpt-4”, gpt-4-xxx
“gpt-3.5-turbo”, gpt-3.5-xxx

The latter also have a specific format of multi-turn messages enforced.

davinci-002 is an example of a base model - it performs true completion, continuing where you left off. Deprecated text-davinci-003 is a tuned model, providing answers for questions as trained behavior.