Summary
A system prompt for an internal or future OpenAI model, `gpt-5.4`, has been found to contain an invalid knowledge cutoff date of June 2024. This technical discrepancy was reported within the OpenAI Developer Community, suggesting it's an early-stage or internal issue rather than a problem with a publicly released product.
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Explore related coverage about developer update and adjacent AI developments: Bring your app to ChatGPT - OpenAI Developers, OpenAI open-weight models (gpt-oss) - OpenAI Help Center, Virtual: From Terminal to Turnaround: How GitLab’s Co-Founder Leveraged ChatGPT in His Cancer Fight - OpenAI Forum, ChatGPT and the Price of Work Report - cdn.openai.com.
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