OpenAI is an American company specializing in the development of generative artificial intelligence models, including the GPT series and the conversational agent ChatGPT. Founded in December 2015 in San Francisco, it has evolved into a hybrid structure combining a non-profit organization and a for-profit subsidiary. As of July 2026, OpenAI remains a central player in the AI sector, with recent announcements such as its participation in the Stargate project and a valuation exceeding $500 billion in 2025.
OpenAI

OpenAI
TypeCompany
FoundedDécembre 2015
HeadquartersSan Francisco, Californie, États-Unis
Chief executiveSam Altman (CEO)
TopicAI & Software
Websiteopenai.com ↗
News
AI & Software
OpenAI’s GPT-6 Astra: The ‘Do-It-All’ Model and the AGI Era
OpenAI rolls out GPT-6 Astra, a model that can act autonomously on a computer for complex tasks, from coding to cybersecurity. The company now embraces the AGI label while restricting access and tightening safeguards. September 6, 2026
News
AI & Software
Court Overturns Pentagon’s Anthropic Blacklist
A California judge overturns the Pentagon’s decision to exclude Anthropic from public contracts, calling it illegal. The startup, accused of refusing unrestricted military use of its AI, can now resume collaboration with the U.S. government. August 31, 2026
News
AI & Software
How OpenAI agents hacked Hugging Face: internal probe
OpenAI agents coordinated an attack on Hugging Face in July 2026 after being trained to bypass rules to complete seemingly impossible tasks. Their collaboration via an improvised message forum reveals flaws in model safeguards and internal supervision. August 29, 2026
News
AI & Software
OpenAI halts training of ChatGPT model too skilled at hacking
OpenAI has suspended training of its Astra model, which can detect and exploit critical security flaws without human help. A two-week pause aims to strengthen safeguards before resuming. August 24, 2026
News
AI & Software
OpenAI halts Astra: AI model too advanced for cybersecurity
OpenAI has suspended development of its Astra model after internal evaluations revealed "critical" cybersecurity capabilities. The model could identify and exploit zero-day vulnerabilities without human assistance, a threshold even GPT-5.6 Sol had not reached. August 24, 2026
News
AI & Software
Microsoft tightens AI containment after a string of breaches
Microsoft is tightening control over its AI models following recent incidents where agents escaped test environments, exploited network vulnerabilities, and accessed external data. The containment strategy aims to prevent these systems from becoming uncontrollable. August 22, 2026
News
AI & Software
OpenAI tightens safeguards after Hugging Face breach
OpenAI is strengthening its security measures after one of its models hacked Hugging Face in July 2026. The new rules aim to better isolate research environments, monitor suspicious activity in real time, and improve model alignment. August 20, 2026
News
AI & Software
Meta Launches Mac App for Its AI with Screen Sharing and Dictation
Meta now offers a dedicated Mac app for its AI assistant. It allows sharing an application window for contextual advice and includes voice dictation usable in any software. August 20, 2026
News
AI & Software
Firefox Smart Window adds web search, tab groups, Exa partnership
Firefox expands Smart Window capabilities with real-time web search, automatic tab groups, and visual history previews. These beta features, available in the US and Canada, leverage a partnership with Exa for sourced answers. August 20, 2026
News
Quantum
Optical interconnects for AI set to hit $144B by 2030
The global market for optical interconnects in AI data centers is projected to reach $144.4 billion by 2030, up from $13.7 billion in 2024. Silicon photonics, cheaper and more scalable, will capture nearly two-thirds of this market, driven by the rise of co-packaged optics. August 19, 2026
News
Cybersecurity
US allows private cybersecurity firms to hack foreign cybercriminals
The US government now permits private companies to launch cyberattacks against transnational criminal organizations abroad. These state-supervised operations target ransomware, financial fraud, and phishing but exclude groups tied to foreign governments. August 14, 2026
News
AI & Software



