Although Altman emphasised that significant portions of the updated model were performing “very well,” he admitted that restoring the right balance would take time. “We’re already on it,” he wrote, adding that while some fixes could be deployed within 24 hours, other adjustments might not be complete until early next week.
Modifications to large-language models such as GPT-4o are routine in the tech industry, encompassing not only expansions of the model’s knowledge base but also algorithmic refinements to ensure more natural and context-aware interactions. Earlier iterations of GPT-4o had already introduced conversational improvements and, more recently, an image-generation feature powered by the same underlying architecture.
Altman’s thread also touched on a longer-term limitation of the ChatGPT experience: once a new model version is activated, users have no way to revert to its predecessor. In response to a query about offering version choices, he conceded that “we clearly need to be able to offer multiple options,” signalling that future releases may permit users to select between different model variants.
Meanwhile, OpenAI is also introducing a streamlined edition of its agentic deep-research tool for free-tier users, while simultaneously raising the daily query limits for Plus, Team, Enterprise and Education subscribers. According to the company, this lighter deep-research utility is powered by the newly unveiled o4-mini reasoning model and has been engineered to remain cost-effective without sacrificing quality.
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