TPSTokens Per Second

GPT-4.5

OpenAI
active

OpenAI's largest GPT model. Strongest emotional intelligence and world knowledge of any GPT, optimized for agentic workflows.

Context window128K tokens
Input / 1M tokens$75
Output / 1M tokens$150

Version History

gpt-4-5-preview-2025-02-27majorFebruary 27, 2025

GPT-4.5 preview debuts as OpenAI's largest model. Best-in-class emotional intelligence and world knowledge. Focused on agentic reliability.