OpenAI's Watermark Move Pressures Rivals Ahead of EU AI Regulations

OpenAI is rolling out "textGrain," an invisible watermark for ChatGPT and Codex outputs, initially targeting the European Union to preemptively address the AI Act’s stringent transparency mandates. This move elevates watermarking from a research concept to a core compliance feature, setting a new operational standard for all major model providers. While rivals like Google and Anthropic have discussed similar technologies, OpenAI