Seven months ago, OpenAI launched GPT-5 with the promise of a smarter machine. Sam Altman compared the development to the Manhattan Project. Early testers shrugged. Benchmarks improved by single digits. All that hype, months of leaks and breathless previews, ran headfirst into a reality made of incremental gains.
Thursday brought GPT-5.4. No one called it a breakthrough this time. No Manhattan Project comparisons. The blog post opened with spreadsheets. Spreadsheets and presentations and documents. The most capable frontier model in the world, and its opening pitch was Excel.
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