OpenAI’s GPT-5.4 mini and nano models cut costs and latency while staying close to flagship performance, giving developers faster AI options for real-time apps without sacrificing core capabilities.
A new font-rendering attack causes AI assistants to miss malicious commands shown on webpages by hiding them in seemingly harmless HTML.
I tested GPT-5.4 Thinking, and it gave me great answers (until I dove deeper) ...
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