Roblox has started rewriting its users’ chat messages in real time using AI, altering what people actually typed into something the platform considers more appropriate.
The feature, rolling out now, goes further than the existing filter that replaces flagged words with “#” symbols. Under the new system, banned language gets silently reworded into what Roblox calls “more respectful language that remains closer to the user’s original intent.”
The platform’s example: type “Hurry TF up!” and the message your recipient sees reads “Hurry up!” Roblox says everyone in the chat is notified when this happens, though the person who typed the original message has no way to stop the substitution before it goes out.
The definition of “banned language” extends beyond profanity. It covers “misspellings, special characters, or other methods to evade detection of profanity,” meaning the AI is also tasked with catching deliberate workarounds and rewriting those too.
Roblox is simultaneously expanding its text filtering system to “detect more variations of language that break its Community Standards,” so the net is getting wider at the same time, and the consequences of being caught in it are changing.
What Roblox has built is a system that goes beyond blocking speech. It replaces it. The message that leaves your keyboard is not the message that arrives. The recipient reads words you didn’t choose, attributed to you, with a notification that your original phrasing was deemed unacceptable. The platform decides what you said.
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