GPT-4 Turbo Preview

Retired

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...

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Context window: 128K
Input: Text
Output: Text
Released: 2024-01-25

Max output: 4.1K
Knowledge cutoff: 2023-12-01
Weights: Closed
Capabilities: Structured, Temperature, Tool call

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ModelRegistry · Catalog updated 2026-10-01