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Text AI watermarks will always be trivial to remove

seangoedecke.com

August 13, 2026

11 min read

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44/100

Summary

The European Union AI Act, enforceable in August 2026, mandates that AI outputs must be detectable as artificially generated through watermarking. LLM providers will need to implement a hidden signature to identify AI-generated content to comply with this requirement.

Key Takeaways

The European Union AI Act, enforceable from August 2026, requires all AI outputs to be detectable as artificially generated, mandating watermarking of AI content.
Text watermarking is challenging due to the compressed nature of text, making it difficult to manipulate without compromising output quality.
Google’s SynthID is currently the only known tool that implements watermarking for text outputs generated by large language models (LLMs).
Running AI models to verify text authenticity is impractical due to the high likelihood of false positives and the cost of processing each model against a text sample.

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Community Sentiment

Mixed

Positives

Watermarking might not be foolproof, but it provides a layer of accountability that could help distinguish AI content from human-generated text — a necessary safeguard as AI use escalates.
Some commenters see watermarking as a step in the right direction, arguing that any rule is better than no rule at all, especially when it comes to mitigating malicious use.

Concerns

Many skeptics argue that AI watermarks will be trivial to bypass, with users easily rephrasing text to strip the marks while maintaining meaning — undermining the entire purpose.
The consensus among several commenters is that watermarking feels more like political theater, with little real-world benefit to users or society at large, echoing frustrations about ineffective regulations.