OpenAI DevDay: ChatGPT Becomes App Platform, $500 Tier

8 articles • Started about 1 month ago • Last updated about 1 month ago

OpenAI unveiled a redesigned ChatGPT platform at DevDay 2026 that functions as an operating system with app-like interfaces and automation capabilities, directly competing with Microsoft's software ecosystem. The company introduced a $500-per-month premium tier while expanding its plugin architecture to support more complex integrations and workflows. The overhaul positions ChatGPT as an alternative to traditional app stores and office productivity suites, reflecting Sam Altman's stated strategy for OpenAI's market dominance.

Tuesday, September 29, 2026

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ChatGPT's new plan costs $500 a month Business Insider •
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OpenAI DevDay 2026 live blog Simon Willison's Weblog •