Simplifying contract reviews with AI

Fine-tuning now available for GPT-4o

Supporting sellers with enhanced product listings

Mercari leverages GPT-4o mini and GPT-4 to streamline selling, enhance product listings, and boost sales, transforming the online marketplace with features like AI Listing Support and Mercari AI Assistant.

Building AI-powered apps for business

Retool uses GPT-4 to give businesses a fast, secure way to build AI-powered apps.

Introducing GPT-5.4 mini and nano

GPT-5. 4 mini and nano are smaller, faster versions of GPT-5.

Using GPT-4 for content moderation

We use GPT-4 for content policy development and content moderation decisions, enabling more consistent labeling, a faster feedback loop for policy refinement, and less involvement from human moderators.

Introducing GPT-4.1 in the API

Introducing GPT-4. 1 in the API—a new family of models with across-the-board improvements, including major gains in coding, instruction following, and long-context understanding.