Asteria's AI claims rest on licensing, not yet on a finished film

The shot

Asteria Film Co., co-founded by producer Bryn Mooser and actor-writer Natasha Lyonne in 2022, describes itself as a production studio built around a generative model, Marey, developed with the AI company Moonvalley. Both founders have spoken on the record about the company: Mooser told Inc. that 'everything that went into training the model was either created in-house or the rights to use the material were bought/licensed,' and both he and Lyonne were interviewed at length for a New York Magazine feature published in June 2025 that toured the company's Los Angeles studio.

What the documents show

What is verifiable here is the founders' own stated production model, not an independently audited training pipeline: Mooser's claim that Marey uses no scraped internet data is Asteria's account of itself, reported by two outlets but not independently tested against the model's actual training set, which Vulture's reporter says a Moonvalley spokesperson declined to detail further, calling it confidential. Separately verifiable is investment: Vulture names Vinod Khosla and General Catalyst chief executive Hemant Taneja as investors, quoting Taneja on wanting Asteria to 'win the hearts and minds' around AI. Inc. reports an 80-person team, about 40 on the creative side, and a debut hybrid project called 'Uncanny Valley' announced 29 April 2025. This is a company's own self-description at an early stage, not verification of a finished, reviewed release.

The workflow

Both accounts describe a hybrid pipeline rather than a single prompt-to-film process: Vulture reports that director Paul Trillo built a project around 60 hand-drawn images from illustrator Paul Flores, trained a custom model in Flores's style from them, generated additional images, then built a 3D environment for camera movement, with a 20-person team finishing the result. Lyonne, in her own words, describes still learning where the tools help: she says she 'had not figured out at all how to use it in writing that I actually feel good about,' and plans to use Marey for visuals rather than screenwriting on her own project.

What the tool does not change

Neither source describes a finished feature audiences have seen, a completed union agreement, or an independently verified data-licensing chain; Mooser's ethics claim and Asteria's team structure remain the company's own reported account. Creative decisions, per Vulture's description of Trillo's process, still require a director, an illustrator, and a twenty-person finishing team, not a single automated step.

• Is a studio's 'ethically sourced' claim independently verifiable, or only self-reported?
• Has the studio released a finished, reviewed work, or only announced one?
• Who besides the company's own founders can confirm how a specific model was trained?

Asteria is a useful test case precisely because its claims are checkable in principle: a licensing chain either exists or it does not. Until that chain is shown to an outside party, the accurate description is a studio's own stated production model, not a verified one.