Retiring GPT-4o and other ChatGPT models GPT-4o and additional models were deprecated in ChatGPT on February 13, 2026. These models will continue to be available in the API. Retiring group chats in ChatGPT Group chat retirement began on July 9, 2026, and existing group chat history remains available. Let users sign in with ChatGPT and use their ChatGPT plan for eligible AI requests in your app. I would appreciate any troubleshooting steps or advice from anyone who has experienced the same issue. Device: Android phone ChatGPT app: Official Android app Issue: Login screen completely stuck / login buttons not responding I’ve attached a screenshot showing exactly what I’m experiencing. Build on the OpenAI API Platform Sign up or login with an OpenAI account to build with the OpenAI API. OpenAI Platform. OpenAI Platform In an incognito window (not signed in), for the same URL I saw many more providers including openai-sidetron. I tried signing out of chatgpt.com but that didn’t help. So there was something in one of the other cookies causing this. I couldn’t work out which one (neither could Astra) so I just deleted them all and I now I can login. Reach people as they explore options, compare choices, and make decisions in ChatGPT, with relevant ads that fit naturally into the experience. You can find past invoices for ChatGPT subscriptions purchased on the web in your billing settings. The steps differ for Go, Plus, or Pro subscriptions and Business workspaces. For subscriptions purchased through the Apple App Store or Google Play, use the store receipt instructions below. The search model is a fine-tuned version of GPT‑4o, post-trained using novel synthetic data generation techniques, including distilling outputs from OpenAI o1‑preview. ChatGPT search leverages third-party search providers, as well as content provided directly by our partners, to provide the information users are looking for. Learn more here Introducing GPT-4o and more tools to ChatGPT free users We are launching our newest flagship model and making more capabilities available for free in ChatGPT.