ChatGPT Image and Audio Watermark Checker API

The OpenAI ChatGPT Watermark Checker API looks for SynthID in images and audio — the media ChatGPT actually marks — not in essays, which have none.

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Changelog

  1. Text checks removed — ChatGPT writing is not watermarked. Images and audio only.

  2. Launched a public checker for ChatGPT media watermarks.

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