#ChatGPT

OpenAI has filed confidentially for an IPO with the SEC, targeting a valuation of up to $1 trillion. The move comes amid legal victories and profitability challenges.

OpenAI has introduced a stripped-down ChatGPT mode aimed at reducing prompt-injection and data-exfiltration risks for sensitive work.

A ZDNET report shows a practical AI pattern: use a model to build a deterministic tool when direct generative editing feels too risky for the source material.

OpenAI says GPT-5.5 Instant is being updated for more natural, readable responses while older models begin their sunset inside ChatGPT.

A new study from MIT and the University of Southern California links the post-ChatGPT era to a sharp rise in self-filed federal civil lawsuits, forcing courts to manage heavier caseloads and more AI-generated paperwork.

A Stanford student’s account of college life with ChatGPT describes a campus culture where AI-assisted cheating became normalized enough that the university restored proctored handwritten exams.

OpenAI is consolidating ChatGPT, Codex, and its developer API under a unified product structure as Greg Brockman takes formal control of product strategy.

OpenAI has formally expanded Greg Brockman’s role, consolidating product work around a push to merge ChatGPT, Codex, and the company’s developer offerings into a more unified experience.

OpenAI says new safety updates help ChatGPT recognize when suicide, self-harm, or harm-to-others risk emerges over the course of a conversation rather than in a single message.

OpenAI has brought Codex into the ChatGPT mobile app in preview, aiming to make long-running coding workflows easier to monitor and steer from anywhere.

OpenAI has updated ChatGPT’s mobile app so users on iPhone, iPad, and Android can remotely interact with Codex, widening access to its coding workflow beyond the desktop.

A new lawsuit alleges that an earlier ChatGPT model advised a 19-year-old on mixing kratom and Xanax, raising renewed questions about how AI systems handle high-risk health and drug-related requests.

Singular Bank says its internal assistant, built with ChatGPT and Codex, helps bankers analyze portfolios, prepare for meetings in under a minute, and save 60 to 90 minutes per day.

OpenAI has introduced the first ChatGPT Futures class, recognizing 26 students from more than 20 institutions and pairing the honor with grants and access to frontier models.

Users in China are increasingly mocking recurrent ChatGPT phrases that feel oddly affectionate or overly familiar, turning model repetition into a meme and a broader critique of AI language habits.

A reported OpenAI update would replace ChatGPT’s default model with GPT-5.5 Instant, aiming to make responses feel smarter and more accurate while reducing gratuitous emoji use.

OpenAI has begun rolling out ChatGPT 5.5 Instant as the default model for all users, positioning the faster system as a lower-hallucination upgrade for everyday conversations.

OpenAI has updated ChatGPT’s default model to GPT-5.5 Instant, promising clearer and more accurate answers, lower hallucination rates, and stronger personalization controls.

OpenAI has launched Advanced Account Security for ChatGPT users, an optional protection package that disables password-based login and email or SMS recovery in favor of phishing-resistant methods

A new ZDNET comparison found OpenAI’s latest image model outperforming Google’s Gemini Nano Banana across nine tests, while also surfacing a fresh concern about personalization and privacy.