GPT-5.5 is rolling out to Plus, Pro, Business, and Enterprise users in ChatGPT and Codex, and GPT-5.5 Pro to Pro, Business, and Enterprise users in ChatGPT (The Verge)
https://www.theverge.com/ai-artificial-intelligence/917612/openai-gpt-5-5-chatgpt…
Florida’s attorney general opened a criminal investigation into ChatGPT based on messages between the chatbot and the man accused of killing two people at FSU last year. A spokesperson for OpenAI, ChatGPT’s maker, whispered “maybe don’t do that, it can hear you. Oh no it’s got a-” and then the line went dead.
stair danger
#caturday #catsofmastodon
ChatGPT Images 2.0 is available globally to ChatGPT and Codex users, with a more powerful version for paying subscribers; its knowledge cutoff is December 2025 (Reece Rogers/Wired)
https://www.wired.com/story/openai-beefs-up-chatgpts-image-generation-model/
OpenAI says ChatGPT Images 2.0 comes in Instant and Thinking variants and can generate images of up to 2K resolution and in multiple aspect ratios (Zac Hall/9to5Mac)
https://9to5mac.com/2026/04/21/openai-unveiling-chatgpt-images-2…
OpenAI releases ChatGPT for Clinicians, a tool for medical tasks like documentation and research, free for verified physicians, pharmacists, and more in the US (OpenAI)
https://openai.com/index/making-chatgpt-better-for-clinicians
OpenAI announces workspace agents in ChatGPT, letting teams create Codex-powered shared agents for complex tasks, and says they are "an evolution of GPTs" (OpenAI)
https://openai.com/index/introducing-workspace-agents-in-chatgpt/
OpenAI enables cost-per-click ads inside ChatGPT, setting bids at between $3 and $5 per click, in addition to CPMs (Digiday)
https://digiday.com/marketing/openai-turns-on-cost-per-click-ads-inside-chatgpt/
OpenAI says that ChatGPT Images 2.0 has a stronger understanding of non-Latin text rendering in languages like Japanese, Korean, Hindi, and Bengali (Amanda Silberling/TechCrunch)
https://techcrunch.com/2026/04/21/chatgpts-new-images-2-…