OpenAI has expanded the availability of its GPT-5.3-Codex model to third-party developers via API and Microsoft Foundry.

Build persona-based GPTs to pressure-test your content, surface gaps, and align SEO with real audience intent – without ...

5 custom ChatGPT instructions I use to get better AI results - faster ...

Claude 4.5 costs more than Gemini 3 Pro; it gives step-by-step plans and stronger web layouts, choose based on detail vs budget.

Yesim Saydan uses over 17 custom GPTs to run her solo-consultancy business. She created her ideal team of employees and mentors, including an AI agent inspired by Steve Jobs. Saydan worries about the ...

OpenAI’s much‑anticipated livestream reveal of GPT‑5 crammed a lot into about an hour and a half of announcements and demonstrations. CEO Sam Altman didn't show any of the fear he claimed to feel ...

OpenAI is retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and other older models in ChatGPT to focus development on newer, improved GPT versions. The post Your favorite old ChatGPT models are going away ...

I'm a ChatGPT power user: Here are 7 useful settings that are turned off by default ...

OpenAI's GPT-4o may have survived its first brush with going offline, but it won't be as lucky this time. OpenAI has ...