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Accelerating life sciences research
Discover how a specialized AI model, GPT-4b micro, helped OpenAI and Retro Bio engineer more effective proteins for stem cell therapy and longevity research.
Blue J’s approach for scaling fast in complex, regulated domains
Blue J scaled to three countries and more than 3,000 firms thanks to focus, domain depth, and the right OpenAI model.
Blue J’s approach for scaling fast in complex, regulated domains
Blue J scaled to three countries and more than 3,000 firms thanks to focus, domain depth, and the right OpenAI model.
Mixi reimagines communication with ChatGPT
Discover how MIXI, a leader in digital entertainment and lifestyle services in Japan, uses ChatGPT Enterprise to transform productivity, boost AI adoption across teams, and create a secure environment for innovation.
Q&A with DoorDash’s CPO, Mariana Garavaglia
Learn how DoorDash is scaling AI adoption to empower employees to build, learn, and innovate faster in a conversation with Chief People Officer Mariana Garavaglia.
OpenAI’s letter to Governor Newsom on harmonized regulation
We’ve just sent a letter to Gov. Gavin Newsom calling for California to lead the way in harmonizing state-based AI regulation with national—and, by virtue of US leadership, emerging global—standards.
Scaling accounting capacity with OpenAI
Built with OpenAI o3, o3-Pro, GPT-4.1, and GPT-5, Basis’ AI agents help accounting firms save up to 30% of their time and expand capacity for advisory and growth.
GPT-5 and the new era of work
GPT-5 is OpenAI’s most advanced model—transforming enterprise AI, automation, and workforce productivity in the new era of intelligent work.
Introducing GPT-5 for developers
Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.
Coding and design with GPT-5
Learn how GPT-5 unlocks new possibilities in coding and design.
GPT-5: Our best model for work
Watch a GPT-5 demo for work showing how the model can analyze feedback, create a product plan and prototype, and summarize next steps.
GPT-5 System Card
This GPT-5 system card explains how a unified model routing system powers fast and smart responses using gpt-5-main, gpt-5-thinking, and lightweight versions like gpt-5-thinking-nano, optimized for different tasks and developer use.
First look at GPT-5
See how a group of leading developers use GPT-5 for the first time.
Introducing GPT-5
We are introducing GPT‑5, our best AI system yet. GPT‑5 is a significant leap in intelligence over all our previous models, featuring state-of-the-art performance across coding, math, writing, health, visual perception, and more.
From hard refusals to safe-completions: toward output-centric safety training
Discover how OpenAI's new safe-completions approach in GPT-5 improves both safety and helpfulness in AI responses—moving beyond hard refusals to nuanced, output-centric safety training for handling dual-use prompts.