OpenAI
GPT-4 Turbo Preview
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...
Model facts
- Context window
- 128K tokens
- Maximum output
- 4K tokens
- Cheapest paid input
- $10 per 1M tokens
- Cheapest paid output
- $30 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
tool calling, structured output, temperature control, text.
Observed price history
- 2026-08-24: $10 input / $30 output per 1M tokens
API providers
- OpenRouter — model id openai/gpt-4-turbo-preview; $10 input / $30 output per 1M tokens; provider documentation