OpenAI Resumes ChatGPT Plus Subscription Service

On the early morning of December 14th, OpenAI announced the reopening of the ChatGPT Plus membership service. Due to insufficient computational resources and a surge in user numbers, OpenAI had to suspend the ChatGPT Plus subscription service last month. Now, users can subscribe to this service again.

Building a Trust Defense Line: OpenAI Teams Up with Google to Deploy Dual Digital Genes to Combat AI Fake Content

OpenAI released a dual protection mechanism on May 7, 2026, to combat AI image fraud. The core includes C2PA digital traceability (metadata embedded with generation records) and invisible watermark technology, complementing each other to form a double insurance system, aiming to establish a new industry standard for verifying the authenticity of images.

Breakthrough in OpenAI Inference Model: AI Successfully Refutes Erdős Unit Distance Conjecture

On May 20, 2026, OpenAI's reasoning model overturned Paul Erdős' 1946 'unit distance conjecture,' solving a core problem in discrete geometry that had persisted for nearly 80 years. Unlike previous AI achievements, this result gained widespread academic recognition, marking a key breakthrough from AI 'retrieval' to 'original creation.'....

First Profitable Quarter for an AI Giant? Anthropic Aims to Outperform Its Two Rivals This Second Quarter

The large AI model sector is witnessing a glimpse of profitability. According to a report by the Financial Times in the UK, AI startup Anthropic is expected to achieve its first profitable quarter in the second quarter of 2026, with revenue reaching $10.9 billion, surpassing competitors such as OpenAI and xAI in commercialization efforts.

A Shift in the Mathematical World! OpenAI's Reasoning Model Refutes an 80-Year-Old Geometric Conjecture, AI Successfully Proves Erdős' Open Problem for the First Time

OpenAI's latest reasoning model has successfully disproved the unit distance conjecture proposed by mathematician Paul Erdős in 1946, marking the first time AI has autonomously tackled a core open problem in mathematics through its own long-chain reasoning. This milestone, independently verified by experts, signifies a shift from retrieval-based answers to original proof generation in artificial intelligence.....

Sprint for September Listing: OpenAI to Submit IPO Prospectus Draft as Early as This Friday

OpenAI's listing process has made substantial progress, with the company set to submit an IPO prospectus draft as early as this Friday. CEO Altman plans to complete the listing by September 2026. The previous legal threats from Musk have been lifted, and the company has received support from top investment banks, clearing legal obstacles.