ChatGPT's share of the AI assistant market has fallen below 50% for the first time as Anthropic and others gain ground in 2026.

Multiple state attorneys general have launched an investigation into OpenAI amid ongoing lawsuits over copyright infringement and ChatGPT-related harms.

SpaceX's SPCX shares jump 19% on debut, closing at $161, while OpenAI and Anthropic are also gearing up for IPOs in a landmark AI-tech IPO season.

OpenAI announced the acquisition of Ona, a cloud environment startup, to enhance its Codex AI coding assistant with agent-ready infrastructure.

OpenAI's ChatGPT reached 1 billion monthly active app users in May 2026, per Sensor Tower estimates, even as public trust in AI broadly declines.

U.S. AI firms including Anthropic and OpenAI are expanding in London to tap frontier AI talent and commercial growth.

OpenAI is leaning into enterprise AI while Apple and Google target consumer adoption across their ecosystems.

Visa and OpenAI plan secure payment infrastructure for AI agents, with tokenized credentials and user controls.

Oracle shares slid as investors questioned AI data-center spending, negative free cash flow, and new capital raises.

Razer CEO Min-Liang Tan says waves of AI-linked IPOs could follow SpaceX, Anthropic, and OpenAI filings.

CNBC reports investors must learn AI token economics before OpenAI and Anthropic disclose public IPO prospectuses.

Perplexity CEO Aravind Srinivas said the AI search company still plans a 2028 IPO despite Anthropic and OpenAI listings.

OpenAI submitted a confidential S-1, setting up a potential blockbuster IPO after Anthropic and SpaceX moves.

TechCrunch reports rising AI token costs could drive more price increases as major AI companies prepare to go public.

A Miami seller would rather receive OpenAI, Anthropic, or SpaceX shares than keep a luxury home as a rental property.

OpenAI is folding Codex into ChatGPT as it pursues stickier, higher-margin AI businesses beyond general chat.

CNBC reports OpenAI and U.S. officials discussed a possible government stake in the AI startup.

OpenAI says ChatGPT memory is becoming more capable, reviewable, and efficient, with rollout expanding to free users in coming weeks.

AI leaders signed a letter urging stronger synthetic DNA screening rules to limit AI-enabled biological weapons risks.

Microsoft detailed new MAI models and a broader push to reduce OpenAI reliance while competing with top AI labs.