OpenAI has launched its highly anticipated GPT-5 update, and it will replace GPT-4o as the default AI model in ChatGPT. This new model promises improvements in

O penAI launched its most advanced language model Thursday with the release of GPT-5, a flagship product the company says will enhance ChatGPT as it reportedly nears a $500 billion valuation and aims to stave off competitors in Google, Anthropic and more.

The GPT-5 launch comes as OpenAI faces increasing competition from Google's Gemini models, Anthropic's Claude family, and Meta's open-weight Llama models. OpenAI reports having 5 million paying business users and 4 million developers building on its API platform.