Winbuzzer<p>OpenAI’s New o3/o4-mini Models Add Invisible Characters to Text, Sparking Watermark Debate</p><p><a href="https://mastodon.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AI</span></a> <a href="https://mastodon.social/tags/OpenAI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenAI</span></a> <a href="https://mastodon.social/tags/ChatGPT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChatGPT</span></a> <a href="https://mastodon.social/tags/GenAI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GenAI</span></a> <a href="https://mastodon.social/tags/LLMs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LLMs</span></a> <a href="https://mastodon.social/tags/AIModels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AIModels</span></a> <a href="https://mastodon.social/tags/o3" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>o3</span></a> <a href="https://mastodon.social/tags/o4mini" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>o4mini</span></a> <a href="https://mastodon.social/tags/AIWatermarking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AIWatermarking</span></a> <a href="https://mastodon.social/tags/Unicode" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Unicode</span></a> <a href="https://mastodon.social/tags/Typography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Typography</span></a> <a href="https://mastodon.social/tags/AIEthics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AIEthics</span></a> <a href="https://mastodon.social/tags/AISafety" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AISafety</span></a> <a href="https://mastodon.social/tags/AIContent" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AIContent</span></a> </p><p><a href="https://winbuzzer.com/2025/04/21/openais-new-o3-o4-mini-models-add-invisible-characters-to-text-sparking-watermark-debate-xcxwbn/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">winbuzzer.com/2025/04/21/opena</span><span class="invisible">is-new-o3-o4-mini-models-add-invisible-characters-to-text-sparking-watermark-debate-xcxwbn/</span></a></p>