GPT-4.5 Preview

A high-performance OpenAI model with advanced capabilities across text, image, video, audio, transcription, and text-to-speech tasks. It supports fine-tuning, tool use, and structured output generation, making it a versatile AI assistant for a wide range of applications.

Supports a unknown token context window. Handles Text, Image, Video, Audio, Transcription, Text-to-Speech inputs and outputs. Supports fine-tuning for custom applications. Supports tool use for advanced automation. Capable of generating structured output formats.

The model is priced at $75.00 per 1M tokens for input, $37.50 per 1M tokens for cached input, and $150.00 per 1M tokens for output according to OpenAI's pricing page.