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whip bullsman reported that on october 4, according to foreign reports, a co-head of openai video generator sora has resigned and gone to google.

tim brooks, who led the development of sora alongside william peebles, announced in a post on x that he will join google deepmind, google's artificial intelligence research arm, to work on video generation technology and world simulator research.

brooks writes: i spent two great years at openai developing sora. thank you to all the warm and kind people i work with.

google deepmind ceo demis hassabis welcomed brooks at x, saying he would help turn the long-held dream of a world simulator into a reality.

world simulator is a rather vague phrase - and poorly defined - but deepmind has applied it to models such as its recently released genie, which can generate playable, action-controllable virtual worlds based on synthetic images, real photos or even sketches. world.

deepmind researchers explained in a 2023 paper: applications of real-world simulators range from controlled content creation in games and movies, to purely training in simulations that can be directly deployed in the real world. acting.

brooks was one of the first people to participate in sora research, launching the project at openai in january 2023. on his linkedin, brooks claims to be a pioneer in the project’s research direction and model training.

his departure comes amid technical setbacks for the yet-to-be-released sora, which lags behind competing systems from luma, runway and others.the original system, released in february, required more than 10 minutes of processing time to produce a one-minute video clip, the information reported.

sources told the information that openai is training a modified version of sora to quickly create video clips.

google has its own video generation model, veo, which it announced at its annual i/o developer conference this spring and will soon appear in youtube's short video format youtube shorts, allowing creators to generate backgrounds and six-second short film.

technical hurdles aside, openai appears to have ceded valuable collaboration space to video generation challengers in recent months.earlier this month, runway signed a deal with lionsgate, the studio behind the john wick franchise, to train a custom video model based on lionsgate's film catalog. about a week later, stability, which is developing its own set of video generation models, recruited "avatar," "terminator" and "titanic" director james cameron to its board of directors.

openai is said to have met with filmmakers and hollywood studios earlier this year to demo sora - former cto mira murati was in attendance at the cannes film festival - and the company has also worked with a number of independent directors and a few brands to demonstrate the system. function.

however, openai has yet to announce long-term partnerships with major production companies.

interestingly, brooks has actually returned to google, having worked on the google pixel phone. he is the latest in a series of high-profile resignations from openai.

chief technology officer mira murati, chief research officer bob mcgrew and vice president of research barret zoph announced their departures at the end of september. well-known research scientist andrej karpathy left openai in february; a few months later, openai co-founder and former chief scientist ilya sutskever and former security chief jan leike also resigned. in august, co-founder john schulman said he would leave openai. and company president greg brockman is on leave.