Overview

• OpenAI discovered an autoswitcher bug that routed some GPT-5 queries to weaker models, prompting inconsistent responses and a public apology.
• The company has reinstated legacy GPT-4o access for paying customers and plans to introduce tone-setting options to restore the model’s warmth.
• API usage and enterprise onboarding of GPT-5 have doubled this week as startups and major firms adopt the model for coding and complex workflows.
• Elon Musk has accused Apple of favoring ChatGPT in App Store rankings, a claim Apple denies as Musk and Sam Altman trade public barbs.
• Sam Altman said OpenAI will invest trillions in compute infrastructure and is exploring consumer hardware and brain–computer interfaces to expand its AI portfolio.