OpenAI Adds Plugins to ChatGPT Voice, Lets Users Switch Between GPT-6 Astra, Sol and Luna

OpenAI rolled out three ChatGPT Voice upgrades: plugin support for email, calendar and Slack; user-selectable GPT-6 Astra, Sol and Luna backends (previously voice was tied to a single model); and Voice inside ChatGPT Work on web and mobile so users can generate docs, decks, sites and spreadsheets by speaking. The changes ship globally starting today.