OpenAI Brings Reinforcement Fine-Tuning and GPT-4.1 Nano Fine-Tuning in the API
OpenAI rolls out reinforcement fine-tuning on o4-mini and brings supervised fine-tuning to its ultra-fast GPT-4.1 nano model.
OpenAI
An AI research and deployment company aiming to ensure artificial general intelligence benefits all of humanity. Known for ChatGPT and GPT-4, it has strategic partnerships, including with Microsoft.
ChatGPT Deep Research Can Now Analyze Your GitHub Repos
OpenAI launches GitHub connector for ChatGPT Deep Research that lets developers analyze their actual codebases to generate comprehensive reports and documentation.
OpenAI Urges Federal Land Use for AI Infrastructure in DOE Proposal
OpenAI calls for sweeping federal policy changes to speed AI infrastructure development on government land, positioning it as critical to maintaining U.S. technological leadership against China.
OpenAI Launches Global Initiative to Spread 'Democratic AI' Infrastructure
OpenAI's "OpenAI for Countries" program will help nations build customized AI systems and data centers, positioning itself as an alternative to "authoritarian" AI approaches
OpenAI Reverses Course on Corporate Structure, Will Keep Nonprofit Control
Instead of shedding its nonprofit shell, OpenAI will transition its for-profit arm into a Public Benefit Corporation, a corporate structure that legally requires consideration of both shareholder interests and the organization's stated mission.
OpenAI's Deep Research Is Now Available to All ChatGPT Users
OpenAI is expanding access to its Deep Research tool across all user tiers and introducing a more efficient "lightweight" version powered by o4-mini that delivers similar quality with slightly shorter responses.
Developers Can Now Tap OpenAI’s Image Model Through API
OpenAI’s powerful image generation model, gpt-image-1, is now available via its API, letting developers create customizable, high-quality visuals inside their own apps and platforms.
OpenAI Would Buy Chrome 'In a Heartbeat' if Google Forced to Sell
OpenAI has expressed interest in acquiring Google's Chrome browser if antitrust remedies force its divestiture, potentially transforming the browser into an "AI-first" experience.
The Washington Post Joins OpenAI’s Expanding Roster of Media Partners
The Washington Post has signed a content licensing deal with OpenAI to surface its reporting inside ChatGPT, marking another major media partnership for the AI company.
How to Build AI Agents: A Detailed, Practical Guide from OpenAI
OpenAI releases a comprehensive guide for building AI agents, offering product and engineering teams practical frameworks for designing systems that can independently execute complex workflows.
OpenAI Introduces 'Flex Processing': Lower Prices for Non-Urgent AI Workloads
OpenAI has launched a new Flex API tier that offers discounted model usage rates in exchange for slower response times and reduced availability, while also tightening access controls around its most advanced models.
OpenAI Launches o3 and o4-mini, their Smartest and Most Capable Models to Date
OpenAI’s latest models—o3 and o4-mini—introduce agentic reasoning, full tool integration, and multimodal thinking, setting a new bar for AI performance in both speed and sophistication.
OpenAI Acqui-hires Context.ai Team to Boost Model Evaluation Efforts
OpenAI has acquihired the team behind Context.ai, a GV-backed startup known for its analytics tools that help developers understand how AI models perform in the real world.
OpenAI Releases New GPT-4.1 Models: Cheaper, Faster, and More Capable
OpenAI has rolled out GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano—faster, cheaper models with sharper coding, better instruction following, and support for 1 million-token context windows.
ChatGPT Can Now Remember Your Past Conversations
OpenAI’s latest ChatGPT update introduces an optional expanded memory feature, allowing the AI to personalize responses by referencing users’ past conversations.
OpenAI Countersues Musk, Claims "Bad-Faith Tactics"
OpenAI has filed a countersuit against Elon Musk, alleging he attempted to sabotage the company and seize control for his personal gain after failing to dominate its direction years ago.
Musk v. OpenAI Legal Battle Pushed to 2026
Elon Musk's lawsuit challenging OpenAI's conversion to a for-profit entity will go to trial in March 2026, potentially complicating the AI company's $40 billion fundraising efforts which require the conversion to be completed by year-end.
OpenAI Reshuffles Roadmap: Two New Models to Precede "Much Better" GPT-5
OpenAI has reversed its earlier decision to cancel o3, now planning to release both o3 and o4-mini within weeks while delaying GPT-5 by several months to make substantial improvements.
OpenAI Forms Expert Commission to Shape Its Nonprofit Future Amid For-Profit Transition
OpenAI is convening a panel of experts to advise its philanthropic strategy amid its shift toward a for-profit model.
OpenAI Secures Record $40 Billion in Funding, Reaching $300 Billion Valuation
OpenAI closed a $40 billion funding round at a $300 billion post-money valuation, led by SoftBank and backed by prominent investors, to expand its AI research and infrastructure.
OpenAI’s GPT-4o Can Now Generate Images—and It’s Really Good at It
OpenAI has launched native image generation in GPT-4o, bringing photorealistic, prompt-following visuals directly into ChatGPT and Sora for all users.
OpenAI Unveils New Audio Models to Make AI Agents Sound More Human Than Ever
OpenAI today launched advanced speech-to-text and text-to-speech models that promise more accurate transcriptions and customizable, expressive voice outputs—all integrated with a revamped Agents SDK for easy conversion of text agents to voice agents.
OpenAI’s Post-Training Head Liam Fedus Departs to Launch AI-Powered Materials Science Startup
Liam Fedus, OpenAI’s VP of research for post-training, is leaving the company to start an AI-driven materials science startup, with OpenAI planning to invest in and partner with the new venture.
OpenAI Pushes for ‘Freedom to Innovate’ in U.S. AI Action Plan
OpenAI has submitted a detailed set of proposals to the White House’s Office of Science and Technology Policy, advocating for policies that ensure AI innovation remains unfettered while reinforcing America’s global leadership in AI.
OpenAI Launches Responses API and Agents SDK for AI Agents
OpenAI has introduced the Responses API and Agents SDK, streamlining AI agent development with built-in tools for web search, file retrieval, and computer use.