> It has also open-sourced the tool and made it available to developers and businesses, allowing them to use the tool to determine whether text outputs have come from their own large language models (LLMs), the AI systems that power chatbots. However, only Google and those developers currently have access to the detector that checks for the watermark.

These two sentences next to each other don't make much sense. Or are misleading.

Yeah. I know. Only the client is open source and it calls home.