Despite being invite-only, Sora surpassed one million downloads in less than five days after launch, even faster than ChatGPT when it had no restrictions.

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According to Bill Peebles, head of Sora at OpenAI, the number of downloads for OpenAI's short video AI application Sora exceeded 1 million within less than five days after its launch at the end of September. Peebles wrote in a post on the X platform: "The team is going all out to meet surging growth demand."

Sora reached 1 million downloads even faster than ChatGPT. Currently, ChatGPT has 800 million active users per week and is the most popular AI chatbot.

Sora allows users to generate short videos for free by entering prompts. Currently, the app is available only on iOS devices and uses an invitation code system, meaning users must obtain an access code to use it. This is in sharp contrast to ChatGPT's initial public release, which makes Sora’s download performance even more notable. Despite these restrictions, Sora still topped the download charts on Apple's App Store.

However, Sora's popularity has also sparked a strong backlash, with the core controversy being whether the app infringes on copyrights. Videos featuring characters from "SpongeBob SquarePants," "Rick and Morty," "South Park," and others can be seen on the platform, and users can generate many similar characters themselves.

The Motion Picture Association (MPA), which represents the TV, movie, and home video industries, released a statement on Monday:

Videos that infringe on the copyright of our members’ films, shows, and characters are appearing in large numbers on OpenAI’s services.

MPA CEO Charles Rivkin stated that OpenAI needs to take immediate and decisive action to address this issue. Robust copyright law clearly protects creators' rights and applies here.

OpenAI CEO Sam Altman said in a blog post last week that the company will soon provide copyright holders with more detailed control over character generation.

At a developer event news briefing on Monday, Altman also stated that some users complained Sora is too restrictive. He called for patience, asking people to give the company time to improve usage norms and best practices. "Please give us some forbearance. The speed of change will be very fast."

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