The preview GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Training data: up to Dec 2023.
Note: heavily rate limited by OpenAI while in preview.
OpenAI: GPT-4 Turbo Preview – Recent Activity and Usage Stats
Recent activity on GPT-4 Turbo Preview
Total usage per day on OpenRouter
Prompt
196K
Completion
50K
Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.