Twitch sued over use of streamers' content to train AI

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Creator accuses Twitch and Amazon of training AI on broadcasts without consent or payment.

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Streamer Warren Pandiscia has filed a proposed class-action lawsuit against Twitch and its parent company, Amazon. He alleges that the companies used his broadcasts and those of countless other creators to train generative artificial intelligence models without consent or compensation.

Pandiscia, who has roughly 1,000 followers on Twitch, filed a 37-page complaint in the Northern District of California. The filing argues that Twitch and Amazon copied large volumes of streamers' videos without securing the proper licenses. It alleges breaches of implied agreements between creators and the platform, as well as violations of the state's unfair competition law.

Twitch announced earlier this month that it would begin training generative AI models on material from its platform. Streamers reacted immediately, calling for the features to be optional. Instead, the setting was enabled by default, requiring each user to go into their settings to opt out of the training.

Mike Minton, Twitch's director of product, said the model would not be opt-in because no one would agree to participate if it depended on consent. According to him, Twitch's distinction lies in respecting those who choose to opt out.

In a post on X on August 12, Twitch acknowledged that it uses creator content, including broadcasts, older clips, chat logs and photos, to train Amazon's AI models. The opt-out option is not retroactive.

The lawsuit also notes that the choice applies by channel rather than by account. As a result, a streamer who opts out of having their own content used may still appear in another channel's broadcast if that channel has not disabled the setting.

Pandiscia says he opted out as soon as the feature became available and alleges that the companies may have used streamers' content since 2024, before any disclosure or opt-out mechanism was introduced. Twitch and Amazon have not yet responded to requests for comment on the case.