Can General-Purpose GenAI Be Validated for Critical GxP Use?

The practical answer for validation professionals: when to govern the use, when stronger controls are needed, and when GenAI should not be the decision engine.
AI & VALIDATION

Sooner or later, someone in your company will ask:
“Can we use GenAI for this GxP activity?”

The person who can answer clearly, without fear or hype, becomes the person leadership trusts.

Generative AI is already helping teams draft, summarize, search, and organize information. But using GenAI as an assistant is different from validating a GenAI model as the engine of a critical GxP decision.

That distinction is becoming an important career skill for validation, Quality, IT, Engineering, and digital leaders.

The first idea to get right: validation is not the same as governed use

With general-purpose GenAI, the regulated company often does not fully control the model lifecycle. The model may be updated, supporting components may change, and the same prompt may not always produce the same answer.

For critical GxP use, that creates a basic problem: how do you demonstrate a controlled validated state if you cannot fully control what is running and how it changes?

So, in most cases, do not start by asking: “How do I validate the public GenAI model?”

Start by asking: “What is the intended use, what is the GxP risk, and can this use be governed safely?”

Why general-purpose GenAI is hard to validate for critical GxP decisions

01 Model control

You may not know exactly which model version or supporting component is active at every moment.

02 Repeatability

The same prompt may not always produce the same answer.

03 Change notification

The provider may change the model or service without a GxP-specific change process agreed with your company.

04 Performance evidence

You may not have the evidence needed to prove that the model is fit for your exact intended GxP use.

05 Supplier responsibility

Standard service terms may not provide the quality agreement, records, audit rights, or lifecycle controls expected for critical GMP assurance.

!

No controlled validated state = no validated critical GxP application.

What can GenAI be used for?

Low-risk / non-critical

Examples: summarize public guidance, generate training ideas, improve wording of non-record text.

Control: AI policy + human review.

Assistive GxP use

Examples: draft deviation text, support risk assessment, create a first version of a protocol.

Control: qualified person reviews and approves before it becomes a GxP record.

Critical GxP decision

Examples: approve/reject a batch automatically, replace QA final decision, make product/patient disposition decisions.

Do not use general-purpose GenAI as the decision engine.

A simple rule: GenAI can support the human decision. It should not become the final critical GxP decision.

What about prompts, hallucinations, repeatability, and accuracy?

Documenting prompts and outputs can reduce risk, but it does not turn a changing GenAI model into a validated model.

01 Document the use

  • Approved use case
  • Prompt/input when relevant
  • Output/response when relevant
  • User/date
  • Link to the GxP record when needed

02 Review the output

  • Qualified human review
  • Verify important sources
  • No blind copy-paste
  • Capture corrections when required
  • Human owns the final decision

03 Control the risk

  • SOP and training
  • Data/privacy rules
  • Approved data only
  • Periodic review
  • Restrictions for critical use

Repeatability and accuracy become defensible when the model, intended use, test evidence, and change process are controlled. For general-purpose GenAI, governance can make an assistive use safer, but governance is not the same as validating the underlying public model for a critical decision.

The career advantage is knowing where to draw the line

The leaders who will stand out in digital validation are not the people who say “yes” to every new technology or “no” to everything unfamiliar.

They are the people who can explain the risk, define the right controls, and show the business a safe path forward. That builds credibility with Quality, IT, Operations, Engineering, auditors, and senior management, and positions you for more complex projects and broader leadership responsibility.

FAQ: Generative AI and GxP validation

Can ChatGPT-like GenAI tools be validated for critical GxP use?
General-purpose GenAI services are not suitable to be validated as the engine of a critical GxP decision when the regulated company cannot control the model version, changes, repeatability, and lifecycle evidence.
Does recording the prompt and output make GenAI validated?
No. Prompt/output records improve traceability and can support governed use, but they do not prove that the underlying model is controlled or remains in a validated state.
Can GenAI be used to draft a GxP document?
Yes, as an assistive use when allowed by company policy. A trained and qualified person should review, correct, and approve the content before it becomes the final GxP record.
How should hallucination risk be controlled?
Use human review, source verification, approved use cases, clear instructions, training, and restrictions on critical decisions. Do not rely on the model as the sole source of truth.
Can GenAI approve a batch or replace the final QA decision?
General-purpose GenAI should not be used as the autonomous decision engine for critical GxP decisions such as batch release or final product disposition.
What is the difference between GenAI validation and GenAI governance?
Validation demonstrates that a controlled system is fit for its intended use. Governance defines how people are allowed to use a GenAI service, what must be reviewed, what records are retained, and which uses are prohibited.

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References

Author Section
Author
Article written by

Silvia Martins

Silvia is Brazilian electrical engineer and entrepreneur with over 23 years of experience in the Life Sciences industry, working mainly in the biotechnology, pharmaceutical, medical device, and cosmetics sectors.

She has an international background with specialized training in GAMP5® and FDA 21 CFR Part 11 in England, SAP® validation in Germany, and data integrity and governance in Denmark. Lives in the Netherlands, Silvia serves as the CEO and co-founder of FIVE Validation, a company dedicated to simplifying regulatory compliance. She is the visionary behind GO!FIVE®, the digital validation platform, and is also responsible for the content of the FIVE Academy training platform.

Her work focuses on accelerating and optimizing processes with robustness, traceability, and compliance, supporting companies in integrating the ESG culture, particularly in the Social (S) and Governance (G) pillars. Beyond her corporate role, Silvia is available to connect companies from anywhere in the world with the Pastoral do Menor de Sorocaba, in São Paulo state, Brazil, an institution aligned with the United Nations’ Sustainable Development Goals (SDGs) and recognized for its social impact, benefiting more than 1,400 children and adolescents in vulnerable situations every day.

Author Section
Author
Article reviewed by

Lílian Ribeiro

Lílian Ribeiro is a chemical engineer, biomedical systems technologist, postgraduate in Integrated Management Systems, and Data Science and Business Analytics. She has over a decade of technical and commercial experience in the food, pharmaceutical, and healthcare industries. As an advocate for paperless validation, Lilian is passionate about introducing efficiency and innovation into life sciences companies. Her vast experience is fundamental in validation and qualification projects, encompassing digital validation, ERP, EQMS, automation (PW) and IT infrastructure qualification.