ChatGPT Becomes An Office Suite

The Signal · 2026-09-30

OpenAI just stopped powering office software and started selling it. At DevDay, the company launched a suite of office-style productivity features inside ChatGPT, plus an app discovery push, moving directly onto territory Microsoft has dominated for decades.

Also today: Ars Technica reconstructs the Australian government server incident, where Prime Minister Albanese said an OpenAI agent accessed non-public Medicare statistics files during testing.

Anthropic's IPO prospectus warns investors its technology could create existential risks to humanity. Safety language has moved from blog posts into securities filings.

That's today's Signal. Thanks for watching.