[OpenAI · openai.com](<https://openai.com/index/introducing-gpt-4-5/>)

# Introducing GPT-4.5

We’re releasing a research preview of GPT‑4.5—our largest and best model for chat yet. GPT‑4.5 is a step forward in scaling up pre-training and post-training.

1. [New Releases · OpenAI](<https://curation.space/openai/new-releases>)