If the Twitch streamer you're watching has not opt'd out of Gen AI training then your chat participation is used to train AI. There's no way to opt out or to tell if the streamer has opt'd out.
Streamers might want to start using a NoAI tag if they've opt'd out
www.twitch.tv/twitch/clip/...
twitch.tv
Participating in twitch chat trains Gen AI and you cannot opt out of that - Twitch on Twitch
Watch Twitch's clip titled "Participating in twitch chat trains Gen AI and you cannot opt out of that"
