The opt-out exists. The permission is switched on by default
Twitch has added a setting that stops channel content from being used to train Amazon's generative models. The news arrived in a rather revealing way: Twitch Support announced the opt-out, confirming in the process that permission had been enabled by default.
The list goes well beyond whatever a streamer says on camera. It covers the live broadcast, its chat, VODs, clips, highlights and any text or images published on the channel. There is some fine print too: if you post in somebody else's chat, that channel's choice applies, not yours.
Twitch insists that Twitch itself is not training these models; Amazon is. That distinction may matter on an organisation chart, but it changes very little for creators whose voice, face and community conversations can help improve systems that generate text, audio, images or video inside the company that bought Twitch in 2014.
Creators have not been subtle about their response. Streamer and industry analyst Zach Bussey told Tom's Guide that the decision felt imposed by Amazon, and argued that platforms should pay creators who agree to provide training data. It echoes the hostility surrounding generative AI disclosures on Steam: the argument changes when a company turns its own community's work into raw material without asking first.

How to stop Twitch using your content for AI training
Use a desktop browser, sign in to Twitch and select your profile picture. Open Settings, choose Security and Privacy, then scroll to the bottom of the page. Find Training for Generative AI and turn the switch off. You can also open Twitch's privacy settings directly. The change is saved immediately.
The opt-out also covers older VODs that remain attached to your channel. Twitch says your streams, VODs, clips, chats, text and images will not be used for future training. Future is doing important work there: the official Twitch FAQ does not promise to remove material already incorporated into a model trained before you disabled permission.
This does not disable every AI feature on Twitch. The platform may still process data for automatic captions, moderation and safety tools. The difference is that those systems should not retain your channel to teach a model how to generate new content.
Twitch chief product officer Mike Minton offered an almost comically honest explanation for making it the default: if it were opt-in, nobody would opt in. As we saw in the copyright fight over training ChatGPT on news, the legality of training on published work is still being decided country by country. Twitch presents a more immediate problem: you can switch off training for your own channel, but if you type in somebody else's chat, you have to hope that streamer found the same toggle.
The switch sits under Settings → Security and Privacy. Check it separately on every channel you manage.
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