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OpenAI’s Viral Studio Ghibli Moment Made AI Copyright Impossible to Ignore

OpenAI’s March 2025 Ghibli-style image trend made AI copyright questions visible, but it did not prove that Studio Ghibli works were in GPT-4o’s training data or that a particular image infringed. Training, output similarity and human authorship are separate questions.

By ThatPainter Team 6 min read
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OpenAI’s March 25, 2025 GPT-4o image-generation release made Ghibli-like images easy to create and put unresolved copyright questions in front of a broad audience. The trend did not prove that OpenAI trained on Studio Ghibli works or that any particular image infringed copyright; training, output similarity and human authorship are separate questions.

What happened in OpenAI’s Ghibli moment?

OpenAI announced native image generation in GPT-4o on March 25, 2025. The release described generating and transforming images, including uploaded images. Within a day, TechCrunch and the Associated Press reported social feeds filling with Ghibli-style images and memes. Users transformed personal photos and existing images, and CEO Sam Altman used a Ghibli-style profile image. These were examples reported at the time, not evidence of an official OpenAI campaign or a verified count of images created.

TechCrunch reported that an OpenAI spokesperson said the service refused requests to replicate individual living artists’ styles while allowing broader studio styles. That was a statement about product behavior in March 2025, not a legal ruling or a guarantee about current policy. The distinction also drew comment because Hayao Miyazaki, Studio Ghibli’s co-founder, is a living artist.

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The release said GPT-4o was trained on a joint distribution of online images and text, but did not identify particular training examples. The evidence reviewed for this article does not establish whether Studio Ghibli films or images were included. The OpenAI announcement now points to a newer ChatGPT Images experience, so GPT-4o image generation should be understood here as the 2025 release, not necessarily the current product name.

Can AI copy an art style?

Copyright generally protects original expression rather than an abstract style, genre, mood, technique or artistic method. TechCrunch quoted intellectual-property lawyer Evan Brown saying that style is not explicitly protected by copyright and that a Ghibli-like image, by itself, did not appear to establish infringement. That is an attributed expert view, not a court ruling or a blanket safe harbor.

A style prompt does not settle whether a particular output infringes. An image might reproduce protected expression from a specific work, such as a recognizable character or scene. The Copyright Office’s May 2025 pre-publication report also notes that style imitation can affect creator markets and that something described as a style replication may, in some circumstances, capture protectable elements. Similarity, context and applicable law matter.

Does training an AI on copyrighted works count as fair use?

This is separate from whether a particular generated image resembles a protected work. The U.S. Copyright Office’s May 9, 2025 pre-publication report says several stages of generative-AI development can implicate copyright owners’ exclusive rights. Whether a particular use is fair use depends on all relevant circumstances; the report is agency analysis, not a court judgment about OpenAI or Studio Ghibli.

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The Office says the analysis may depend on which works were used, their source, the purpose of the use and controls on outputs, among other facts. It observes that various AI-training uses may be transformative, while noting that commercial use of vast collections of copyrighted works to produce expressive content that competes in existing markets—especially when works were illegally accessed—can go beyond established fair-use boundaries. Neither broad claim decides the legality of GPT-4o training. The report states: “The fair use determination requires balancing multiple statutory factors in light of all relevant circumstances.”

Accordingly, the reporting cited here does not show that OpenAI definitely trained on Studio Ghibli works, nor does it establish that the studio licensed them. The specific contents and sources of the relevant training data remain unverified.

Can I copyright an image made with AI?

Whether an output infringes someone else’s rights and whether a user can claim copyright in it are different questions. The Copyright Office’s January 2025 report says an AI-assisted output may be protected when a human determines sufficient expressive elements. Human-authored material visible in the output, or creative human arrangement or modification, may qualify; merely providing prompts is not enough under the Office’s stated view. AI assistance does not automatically disqualify a larger human-authored work.

The Office’s position is not a determination about any individual Ghibli-style image. A prompt alone does not establish copyright ownership, and a user’s authorship claim does not clear third-party rights.

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What later AI copyright cases do—and do not—show

Later developments demonstrate that AI copyright disputes continued, but they do not resolve the Ghibli questions. On July 21, 2026, the Associated Press reported court approval of a $1.5 billion settlement in the Anthropic books case. That settlement concerned different parties and material; it was not a ruling against OpenAI, a Ghibli case or a universal finding that AI training is fair use.

On September 8, 2026, Axios reported that the New York Times copyright case against OpenAI and Microsoft was at a critical arguments stage ahead of a possible trial. That report did not describe a final ruling in the case or settle the legality of the Ghibli trend. Later cases and settlements must be read according to their own records and procedural status.

Why licensing and market effects matter

The stakes extend beyond whether one viral image is unlawful. The Copyright Office’s report discusses whether AI outputs can compete with creators’ work and whether AI development can displace licensing opportunities. The effects depend on the works used, how they were obtained, the system’s purpose and outputs, and the markets at issue.

Perspective Concern or argument
AI companies May argue that training supports useful systems and may be legally defensible, depending on the facts and law.
Creators and rights holders May argue that commercial systems benefit from creative work without consent, attribution or compensation, and may compete with licensing or commissions.
Courts and policymakers Must assess the particular works, sources, purposes, outputs, safeguards and market effects rather than decide the issue from one aesthetic trend.

A private experiment and commercial use can raise different practical concerns. An advertisement, merchandise or other product that reproduces recognizable protected expression, invokes a studio’s brand or suggests endorsement may carry risks beyond a broad stylistic resemblance.

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Other legal issues may apply

Copyright is not the only possible legal framework. Depending on the image, use and jurisdiction, trademark, unfair competition, trade dress, publicity rights, moral rights, privacy, contract and platform terms may also matter. These are possible issues, not established claims against OpenAI arising from the viral episode. Laws and exceptions vary by jurisdiction; the discussion here focuses on U.S. copyright guidance.

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What users can do

For personal experimentation, using your own source photograph and avoiding recognizable characters or scenes can reduce some practical risks, but it does not provide automatic legal clearance. For commercial work, consider these steps:

  1. Use reference images and photographs lawfully.
  2. Avoid characters, logos, film titles, exact scenes and copied compositions unless you have the necessary rights.
  3. Do not imply Studio Ghibli endorsement or affiliation without permission.
  4. Check the image tool’s current terms, privacy settings and commercial-use conditions.
  5. Keep records of source materials, prompts and substantial human editing.
  6. Disclose AI involvement where clients, publishers or audiences reasonably need to know.
  7. Seek advice from an intellectual-property lawyer for high-value advertising, publishing, merchandise or branded work.

A subscription to an image-generation tool does not give a user a license to Studio Ghibli’s characters, films, branding or artistic identity. Provenance signals may indicate that an image was generated, but they are not copyright-clearance certificates.

FAQ

Did OpenAI prove that Studio Ghibli images were in GPT-4o’s training data?

No. OpenAI described training on online images and text, but the reviewed sources do not identify specific training examples or establish that Studio Ghibli works were included.

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Does asking for a Ghibli-like style automatically infringe copyright?

No such conclusion follows from the prompt alone. Style and protected expression are not interchangeable, and a specific output may raise different issues if it reproduces protected elements from a particular work.

Does the Ghibli trend have a court ruling?

The sources reviewed do not establish a court ruling or a Studio Ghibli lawsuit specifically connected to OpenAI’s March 2025 trend. Separate AI copyright cases do not decide that question.

Can I copyright an image if I only typed a prompt?

Under the U.S. Copyright Office’s January 2025 report, merely providing prompts does not suffice. A human may be able to claim protection for sufficient original expressive contribution, such as creative arrangement or modification.

The broader lesson

The Ghibli trend made the gap between generative technology and settled law visible. It did not determine whether training on particular works was lawful, whether any specific output copied protected expression, or whether a user’s contribution was enough for copyright. Those questions require evidence about training data and processes, individual outputs, market effects and human creative contributions—and may be treated differently across jurisdictions.

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