Blogs - Machine Learning
 AMP BLAB: The AMPLab Blog
				AMP BLAB: The AMPLab Blog							 ChatGPT
				ChatGPT							 AMPLab – UC Berkeley
 AMPLab – UC Berkeley
- Making cities safer: data collection for Vision Zero 2017-04-26A critical part of enabling cities to implement their Vision Zero policies – the goal of the current National Transportation … Continue reading →Shankari
- Data Hackathons Workshop: Early Career Funding Available 2016-09-01The West Big Data Innovation Hub (WBDIH) is excited to host a Data Hackathons: Lessons Learned and Best Practices Workshop … Continue reading →Meredith Lee
- CACM Article on Randomized Linear Algebra 2016-06-02Each month the Communications of the ACM publishes an invited “Review Article” paper chosen from across the field of Computer … Continue reading →Michael Mahoney
- Scientific Matrix Factorizations In Spark at Scale 2016-06-02The canonical example of matrix decompositions, the Principal Components Analysis (PCA), is ubiquitous, with applications in many scientific fields including neuroscience, … Continue reading →Alex Gittens
- Technical Preview of Apache Spark 2.0: Easier, Faster, and Smarter 2016-05-19This is a guest blog post originally published on the Databricks blog. For the past few months, we have … Continue reading →Reynold Xin
- AMPLab postdoc Julian Shun wins the ACM Doctoral Dissertation Award 2016-05-11I am very pleased to announce that Julian Shun has been awarded the ACM’s doctoral dissertation award for his 2015 … Continue reading →Michael Mahoney
- Unexpected continuous location tracking/energy change in android? 2016-04-15So this is really weird, but I have found what seems to be unexpected continuous location tracking that is causing … Continue reading →Shankari
- Strata Keynote: “What’s Next for the Berkeley Data Analytics Stack” 2016-04-01The Strata+Hadoop World big data industry conference was held in San Jose this week and as usual, AMPLab and Berkeley were … Continue reading →Michael Franklin
- 40-Year Goodbye: A Last Lecture and Symposium 2016-03-29Hoping to start a new tradition, I’m giving a Last Lecture on Friday May 6, 2016 at 4PM, which is … Continue reading →Patterson
- What’s new in KeystoneML 2016-03-29At the AMPLab, we are constantly looking for ways to improve the performance and user experience of large scale advanced … Continue reading →sparks
 OpenAI News
 OpenAI News
- Expanding Stargate to Michigan 2025-10-30OpenAI is expanding Stargate to Michigan with a new one-gigawatt campus that strengthens America’s AI infrastructure. The project will create jobs, drive investment, and support economic growth across the Midwest.
- Introducing Aardvark: OpenAI’s agentic security researcher 2025-10-30OpenAI introduces Aardvark, an AI-powered security researcher that autonomously finds, validates, and helps fix software vulnerabilities at scale. The system is in private beta—sign up to join early testing.
- How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas 2025-10-30A deep dive into OWL, the new architecture powering ChatGPT Atlas—decoupling Chromium, enabling fast startup, rich UI, and agentic browsing with ChatGPT.
- Introducing gpt-oss-safeguard 2025-10-29OpenAI introduces gpt-oss-safeguard—open-weight reasoning models for safety classification that let developers apply and iterate on custom policies.
- Technical Report: Performance and baseline evaluations of gpt-oss-safeguard-120b and gpt-oss-safeguard-20b 2025-10-29gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are two open-weight reasoning models post-trained from the gpt-oss models and trained to reason from a provided policy in order to label content under that policy. In this report, we describe gpt-oss-safeguard’s capabilities and provide our baseline safety evaluations on the gpt-oss-safeguard models, using the underlying gpt-oss models as a baseline. For […]
- Knowledge preservation powered by ChatGPT 2025-10-28Dai Nippon Printing (DNP) rolled out ChatGPT Enterprise across ten core departments to drive companywide adoption. Within three months, it achieved 95% faster patent research, 10x processing volume, 100% weekly active usage, 87% automation, and 70% knowledge reuse.
- Doppel’s AI defense system stops attacks before they spread 2025-10-28Discover how Doppel uses OpenAI’s GPT-5 and reinforcement fine-tuning (RFT) to stop deepfake and impersonation attacks before they spread, cutting analyst workloads by 80% and reducing threat response from hours to minutes.
- Built to benefit everyone 2025-10-28OpenAI’s recapitalization strengthens mission-focused governance, expanding resources to ensure AI benefits everyone while advancing innovation responsibly.
- The next chapter of the Microsoft–OpenAI partnership 2025-10-28Microsoft and OpenAI sign a new agreement that strengthens its long-term partnership, expands innovation, and ensures responsible AI progress.
- Seizing the AI opportunity 2025-10-27Meeting the demands of the Intelligence Age will require strategic investment in energy and infrastructure. OpenAI’s submission to the White House details how expanding capacity and workforce readiness can sustain U.S. leadership in AI and economic growth.
- Strengthening ChatGPT’s responses in sensitive conversations 2025-10-27OpenAI collaborated with 170+ mental health experts to improve ChatGPT’s ability to recognize distress, respond empathetically, and guide users toward real-world support—reducing unsafe responses by up to 80%. Learn how we’re making ChatGPT safer and more supportive in sensitive moments.
- Addendum to GPT-5 System Card: Sensitive conversations 2025-10-27This system card details GPT-5’s improvements in handling sensitive conversations, including new benchmarks for emotional reliance, mental health, and jailbreak resistance.
- A law and tax firm redefines efficiency with ChatGPT Business 2025-10-27Learn how Steuerrecht.com uses ChatGPT Business to streamline legal workflows, automate tax research, and scale client service—helping law firms boost productivity and stay competitive.
- OpenAI acquires Software Applications Incorporated, maker of Sky 2025-10-23OpenAI has acquired Software Applications Incorporated, maker of Sky—a natural language interface for Mac that brings AI directly into your desktop experience. Together, we’re integrating Sky’s deep macOS capabilities into ChatGPT to make AI more intuitive, contextual, and action-oriented.
- Consensus accelerates research with GPT-5 and Responses API 2025-10-23Consensus uses GPT-5 and OpenAI’s Responses API to power a multi-agent research assistant that reads, analyzes, and synthesizes evidence in minutes—helping over 8 million researchers accelerate scientific discovery.
- AI in South Korea—OpenAI’s Economic Blueprint 2025-10-23OpenAI's Korea Economic Blueprint outlines how South Korea can scale trusted AI through sovereign capabilities and strategic partnerships to drive growth.
- Work smarter with your company knowledge in ChatGPT 2025-10-23Company knowledge brings context from your apps into ChatGPT for answers specific to your business, with clear citations, security, privacy, and admin controls. Available now for Business, Enterprise, and Edu users.
- The next chapter for UK sovereign AI 2025-10-22OpenAI expands its UK partnership with a new Ministry of Justice agreement, bringing ChatGPT to civil servants. It also introduces UK data residency for ChatGPT Enterprise, ChatGPT Edu, and the API Platform to support trusted and secure AI adoption.
- AI in Japan—OpenAI’s Japan Economic Blueprint 2025-10-22OpenAI’s Japan Economic Blueprint outlines how Japan can harness AI to boost innovation, strengthen competitiveness, and enable sustainable, inclusive growth.
- Continue your ChatGPT experience beyond WhatsApp 2025-10-21ChatGPT will no longer be available on WhatsApp after January 15, 2026. Learn how to link your ChatGPT account and continue your conversations across devices.