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ChatGPT by OpenAI

The product that turned a research artifact into a household word. 800 million weekly users, the freshly merged GPT-5 architecture, and the gravitational center of the public AI conversation.

ChatGPT · Model Launch

OpenAI ships ChatGPT-5 with unified reasoning, eliminates separate "o-series" lineup

The merged architecture replaces the long-criticized model picker with automatic reasoning depth selection. Power users will still be able to force "deep thinking" mode via a toggle, but the default behavior now decides on its own whether a query warrants extended reasoning.

By Elena Volkov · 14 hours ago · 9 min read · Model launch

ChatGPT · Agents

ChatGPT Operator quietly hits 50M paid users, monetizing agentic workflows

The browsing-and-action subscription tier is now OpenAI's fastest-growing revenue line, ahead of Plus upgrades. Internal numbers obtained by AI News Update show Operator generated $1.2 billion in Q1 2026 alone — almost matching the entire ChatGPT Plus business at its peak.

By Marcus Rivera · 1 day ago · 6 min read · Industry analysis

GPT-5 launched globally on April 28 OpenAI valuation reaches $340B ChatGPT weekly users: 800M Operator hits 50M paid subscribers GPT-5 launched globally on April 28 OpenAI valuation reaches $340B ChatGPT weekly users: 800M Operator hits 50M paid subscribers

ChatGPT by OpenAI

OpenAI ships ChatGPT-5 with unified reasoning, eliminates separate "o-series" lineup

ChatGPT Operator quietly hits 50M paid users, monetizing agentic workflows

Just the ChatGPT news.