GPT-5.3

Offering Zero Data Retention for frontier models

Offering Zero Data Retention for frontier models

ChatGPT Ads expands across Europe

As models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused reinforcement learning (RL) training on our latest models intended for

As models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused reinforcement learning (RL) training on our latest models intended for deployment for two weeks while we hardened and red-teamed our research

Introducing ChatGPT for Teens: Built for learning, backed by protections

Pacing model development in an era of cyber-critical capabilities

How NVIDIA scales expertise with ChatGPT Work

ChatGPT can now remember your activity across the apps and websites on your computer. With Computer History in the desktop app, future interactions feel more personalized and require less explanation.

ChatGPT can now remember your activity across the apps and websites on your computer. With Computer History in the desktop app, future interactions feel more personalized and require less explanation. https://t.co/WHZPxPp31R

Models | OpenAI API

Models | OpenAI API Home API Docs Guides and concepts for the OpenAI API API reference Endpoints, parameters, and responses Codex Docs Guides, concepts, and product docs for Codex Use cases Example workflows and tasks teams hand to Codex ChatGPT Apps SDK Build apps to extend ChatGPT Commerce Build commerce flows in ChatGPT Resources Showcase Demo apps to get inspired Blog Learnings and experiences from developers Cookbook Notebook examples for building with OpenAI models Lear

GPT-5.3 Instant benchmark update

OpenAI published official provider-reported benchmark evidence for GPT-5.3, GPT-5.3 Instant, gpt-5.3-instant, GPT-5.3 Chat.

Introducing GPT-5.3-Codex

Loading… Share Frontier agentic capabilities Frontier agentic capabilities Coding Web development Beyond coding An interactive collaborator How we used Codex to train and deploy GPT-5.3-Codex Securing the cyber frontier Availability & details What’s next Appendix Frontier agentic capabilities Coding Web development Beyond coding An interactive collaborator How we used Codex to train and deploy GPT-5.3-Codex Securing the cyber frontier Availability & details What’s nex