Last updated: 17/03/2025

OpenAIOfficial Docs

GPT-4.5 Preview

gpt-4.5-preview-2025-02-27

active

## GPT-4.5 Preview OpenAI's GPT-4.5 Preview is a high-performance language model with advanced capabilities across a wide range of tasks, including text, image, video, audio, transcription, and text-to-speech. Supports a 128,000 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.

Model Timeline

Launch Date

2/27/2025

Capabilities

Text

Input Pricing

$150.00/ MTok

Context: 128,000 tokens

Output Pricing

$150.00/ MTok

Max tokens: 4,096

Vision Capabilities

Max resolution: 2048x2048
Max images per prompt: 10

Image

Input Pricing

85 tokens/image

Video

Input Pricing

$0.0025/second

Text-to-Speech

Text-to-Speech Pricing

$0.01/1k characters

Embeddings

Embeddings Pricing

$0.13/1k tokens

Fine-Tuning

Fine-Tuning Pricing

$25.00/MTok training

Additional Model Information

Tool Use

Yes

Structured Output

Yes

Reasoning

Yes