Technology

Anthropic Releases Claude Opus 5.5 and Cuts Opus API Prices 20%

Anthropic released Claude Opus 5.5 on Sept. 22, cutting API prices to $4/$20 per million input/output tokens from $5/$25 and cache-read prices by 60%, roughly an hour before OpenAI launched GPT-6 Sol and Luna.

Technology

OpenAI Tests Sponsored Agents Ad Format in ChatGPT With Angi as an Early Partner

OpenAI is testing Sponsored Agents, a ChatGPT ad format that lets users chat with a business-sponsored AI agent after clicking an ad. Angi is among the first US pilots, and new HubSpot and Shopify ad tools shipped alongside it.

Technology

Sam Altman Rules Out an OpenAI IPO in 2026, Citing AI Safety Work

OpenAI confidentially filed a draft S-1 with the SEC in June but will not list this year, Sam Altman told Fortune, calling a 2026 offering an ill-advised moment given the safety work still ahead.

Technology

AI Agents Compromised 440 PaperCut Servers at 395 Organizations

GreyNoise documented a campaign in which hundreds of AI agents built exploits and broke into 440 PaperCut NG/MF servers at 395 organizations across 48 countries, with one escalation to domain admin taking five minutes.

Technology

OpenAI Cuts Off Cursor's Model Access on November 12 After SpaceX Acquisition

OpenAI is ending Cursor's access to its models on November 12, weeks after SpaceX closed its $60 billion acquisition of the AI coding tool. OpenAI says it cannot trust SpaceX to honor its terms of service; Cursor says OpenAI models are only about 5% of its traffic.

Technology

Thrive Holdings Raises $2 Billion at a $12 Billion Valuation for AI Rollups

Thrive Holdings, a Thrive Capital spinoff with an OpenAI ownership stake, raised $2 billion at a $12 billion valuation from SoftBank, D1 Capital Partners and Altimeter Capital. Its platforms now span more than 70 accounting and IT businesses.

Technology

Amazon Tops $3 Trillion Market Cap for the First Time as Shares Hit Record

Amazon shares hit a record on August 3, pushing its market cap above $3 trillion for the first time. AWS grew 37% to $42.2 billion, and the quarter's $62.6 billion net income included $53.4 billion of gains primarily from its Anthropic stake.

Technology

State Department Map Mislabels Every African Country at AIDS 2026 Conference

A State Department map shown at the AIDS 2026 conference in Rio de Janeiro mislabeled every country it depicted, misplacing Nigeria, Mozambique, and Cote d'Ivoire. Reuters found a watermark on the image indicating it was made with OpenAI's tools.

Technology

Nvidia in Talks to Guarantee $250 Billion for OpenAI's Ohio Data Center

Nvidia is in talks to guarantee roughly $250 billion in financing for OpenAI's planned 10-gigawatt data center in Piketon, Ohio, built by SoftBank's SB Energy. The full project, including chips, could cost more than $500 billion.

Technology

Anthropic Leads Future of Life Institute AI Safety Index With a C+

The Future of Life Institute's Summer 2026 AI Safety Index gave Anthropic the top grade, a C+, with OpenAI and Google DeepMind at C and xAI, DeepSeek, and Mistral failing. No company earned an A or B.

Technology

Apple Sues OpenAI Over Alleged Theft of Trade Secrets for AI Devices

Apple sued OpenAI in California federal court, alleging former Apple employees Tang Tan and Chang Liu stole trade secrets to accelerate OpenAI's unreleased AI hardware.

Technology

Fidji Simo Steps Down From Full-Time OpenAI Role, Becomes Part-Time Adviser

Fidji Simo, OpenAI's CEO of Applications and its No. 2 executive, is stepping down from her full-time role after a three-month medical leave for a chronic illness, moving to a part-time advisory role as three executives absorb her duties.