Preview release of GPT-4, featuring improved instruction following, JSON mode, reproducible outputs, and parallel function calling. Trained on data up to December 2023. Heavily rate-limited while in preview.
Retired on Aug 22, 2026: requests to this model ID now return an error. These models are live and work with the same API key.
Preview release of GPT-4, featuring improved instruction following, JSON mode, reproducible outputs, and parallel function calling. Trained on data up to December 2023. Heavily rate-limited while in preview.
No. GPT-4 Turbo Preview was retired on NagaAI on Aug 22, 2026, and requests to it now return an error. Live models you can use instead with the same API key: GPT-6.1 Terra, GPT-6.1 Sol and GPT-6 Luna.
It takes text and files as input and returns text.