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OpenAI is introducing invisible text watermarks called textGrain to ChatGPT and Codex for EU users to comply with the EU AI Act, with opt-in watermarking for API customers worldwide and detector access for approved researchers.
OpenAI announces its compliance approach to the EU AI Act's text provenance requirements, rolling out a phased text watermarking system called textGrain across the API, ChatGPT, and Codex while being transparent about detection limitations, and plans to open source the technology.
The blog post details the implementation of watermarking in vLLM for establishing text provenance in AI-generated content, leveraging randomness in sampling to balance non-distortion, robustness, and speed.