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Tweets by OpenAI

1. Introducing OpenAI for Ireland

   OpenAI launches OpenAI for Ireland, partnering with the Irish Government, Dogpatch Labs and Patch to help SMEs, founders and young builders use AI to innovate, boost productivity and build the next generation of Irish tech startups.

2. Understanding neural networks through sparse circuits

   OpenAI is exploring mechanistic interpretability to understand how neural networks reason. Our new sparse model approach could make AI systems more transparent and support safer, more reliable behavior.

3. Introducing GPT-5.1 for developers

   GPT-5.1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.

4. Piloting group chats in ChatGPT

   We’re piloting group chats in ChatGPT to make collaboration simple. Bring others—and ChatGPT—into one shared conversation to plan, brainstorm, and create together.

5. How Philips Is scaling AI literacy across 70,000 employees

   Philips is scaling AI literacy with ChatGPT Enterprise, training 70,000 employees to use AI responsibly and improve healthcare outcomes worldwide.

6. Neuro drives national retail wins with ChatGPT Business

   Neuro uses ChatGPT Business to scale nationwide with fewer than seventy employees. From drafting contracts to uncovering insights in customer data, the team saves time, cuts costs, and turns ideas into growth.

7. Fighting the New York Times’ invasion of user privacy

   OpenAI is fighting the New York Times’ demand for 20 million private ChatGPT conversations and accelerating new security and privacy protections to protect your data.

8. GPT-5.1: A smarter, more conversational ChatGPT

   We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.

9. GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum

   This GPT-5 system card addendum provides updated safety metrics for GPT-5.1 Instant and Thinking, including new evaluations for mental health and emotional reliance.

10. Free ChatGPT for transitioning U.S. servicemembers and veterans

    OpenAI is offering U.S. servicemembers and veterans within 12 months of retirement or separation a free year of ChatGPT Plus to support their transition to civilian life. The tools can help with resumes, interviews, education, and planning for what’s next.