What Is PrivateGPT and How Do Secure AI Models Work in 2025?
16 Jan 2025, 08:56 • 9 min read

Secure Your Business Conversations with AI Assistants
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What is PrivateGPT?
PrivateGPT as a term is defined differently by each company depending on the solutions they offer, but the denominator is ensuring privacy.
One such widespread belief is that PrivateGPT is just a more secure variant of ChatGPT, the AI chatbot which has already been found to have security flaws and is plagued with AI privacy concerns such as credential theft, malware creation and training data extraction.
To combat such privacy issues and create a secure environment within an enterprise, companies are rapidly adopting PrivateGPT. Popular use cases include using PrivateGPT to create a secure database through which the employees can communicate safely. Further, seamlessly issuing internal documents to employees without exposing this information to third-party apps or servers. Basically, substituting ChatGPT with secure solutions such as WaldGPT and allowing employee conversations to flow without the risk of sensitive data being leaked.
Another definition revolves around PrivateGPT as a language model focusing around processing information locally, minimizing interactions over the internet as much as possible.
Example: If a doctor’s office wants to use PrivateGPT to understand, analyse and collect patient information, local processing keeps the data on-site while preserving the privacy of its clients. This approach emphasizes compliance, extracting key information and ensuring PII security and confidentiality.
Further PrivateGPT has expanded its meaning to include safe uploading of documents for training and analysis.
Take a legal firm for example, PrivateGPT would enable the legal firm to send documents and contracts over the application and conduct an analysis of the contracts without the risk of shared data that would otherwise expose sensitive information. This capability showcases PrivateGPT’s versatility, allowing users to interact with sensitive documents while maintaining stringent security measures.
But a lot of these companies are sneaky about encryption of vector databases, which is absolutely essential to protect sensitive company data.
Innovative solutions, such as those from Wald.ai, merge these definitions by sanitizing user data before it interacts with external AI systems. A user might upload a large dataset for analysis, prompting the system to identify trends while ensuring that no personal information is compromised. Wald.ai’s approach allows for the upload of extensive datasets while employing techniques like Retrieval-Augmented Generation (RAG) to enhance the analysis with end-to-end encryption of sensitive data and vector databases. Basically, your data is always yours and stays protected from unauthorized access.
In essence, the diverse interpretations of PrivateGPT illustrate the evolving landscape of AI, where companies prioritize different aspects of privacy and functionality. As users navigate this spectrum, understanding these varying definitions becomes crucial in selecting the right solution for your needs.
The Importance of Data Privacy in AI
As companies scour for secure ChatGPT enterprise alternatives, employees are yet to prioritise safety. After all, the quicker the output the faster the turnaround time, but it is essential for leaders to take into consideration that data breaches and identity theft are on the rise and the liability falls on their shoulders.
Your data when queried in open AI assistants is 77% likely to end up in a data breach. In such times, the collection, storage, and processing of massive amounts of user and company data absolutely need to be secured.
Moreover, the application of AI in sensitive fields such as healthcare and finance necessitates robust privacy safeguards. AI transparency while protecting patients’ medical records, financial transactions, and confidential information is vital for maintaining ethical standards, trust, and AI regulatory compliance.
How PrivateGPT Works
Private GPT is an AI assistant with extra layers of data protection that works either locally on the client infrastructure or with end-to-end encryption on cloud.
Running locally is the most secure in terms of data protection as the data is kept onsite. However, there are huge upfront costs(100k+ USD) for infrastructure and setting up the models. You may not also be able to access real world knowledge outside the models as well.
With an end-to end-encrypted system you get the best of both worlds: No huge upfront costs, access to real world knowledge while keeping data fully secure and private with end to end encryption. The end user has encryption keys typically stored on user-device and no one can access data without the keys.
Wald.ai is an end-to-end encrypted system that goes beyond a typical PrivateGPT on cloud. It enables access to multiple AI Assistants, while keeping the prompts and responses encrypted, with proprietary contextual intelligence technology that identifies sensitive information in the prompt and redacts before sending to AI assistants.
Wald.ai also has Custom Assistants for document Q and A. Document data is converted into vector embeddings (fancy term for high dimensional vectors) and stored for efficient retrieval of data. Wald.ai also encrypts these vectors using a technique called distance preserving encryption to add an additional layer of data protection.
The Role of Wald.ai in Privacy-First AI
Wald.ai privacy first AI tools are leading the charge in the PrivateGPT space with a new approach to secure data processing.
You can use Wald’s PrivateGPT to upload large amounts of data and documents and analyse them in a secured manner, which cannot be achieved by LocalGPT due to its limited capabilities.
Further, implementing Retrieval-Augmented Generation (RAG), which enhances AI by combining information retrieval with language generation helps enterprises maintain accuracy. This allows users to ask the AI a question and get a more informed answer without the underlying information being transmitted unsecured.
Enterprises can also create Custom AI models using company knowledge bases and sensitive information, your team can easily deploy tools with complete privacy of data.
Another key feature of Wald.ai is end-to-end encryption for both the original data and vector representations. This gives an additional layer of security against unauthorized access or data breaches.
Furthermore, Wald Context Intelligence is developed with smart data sanitization capabilities which distinguishes it from other PrivateGPT solutions. These methods ensure that if there is any sensitive or personally identifiable information, it is identified and removed before processing to avoid accidental data exposure and to meet privacy regulations.
Our team is also excited to create a LANG tool for easy access, that will soon be available on our website.
Real-World Applications of PrivateGPT
Our top 3 picks for adoption of PrivateGPT are within these sectors, but with the rapid advancements every industry can utilise PrivateGPT.
Healthcare
Analyse medical records
Assist in diagnosis
Create personalized treatment plans
Achieve all this while safeguarding sensitive patient data and staying compliant. By processing information in a secure, decentralized environment, healthcare providers can leverage AI’s power without compromising patient privacy.
Finance
Analyze investment portfolios
Deliver personalized financial advice
Generate reports
Without exposing users’ financial data to external parties. This capability is essential in an era where cybercriminals seek to exploit vulnerabilities in financial systems.
Legal sector
Contract reviews
Legal research and insights
Drafting notices
While maintaining the confidentiality of sensitive client information. This ensures that privileged communications and proprietary data remain secure.
Challenges and Limitations
PrivateGPT has similar challenges in terms of AI hallucination prevention and AI bias mitigation but it stands out it data leakage prevention, the major challenges industry leaders are facing are delivering ROIs and balancing productivity and privacy, lets take a closer look:
Implementation of Secure Models
Implementation of secure AI models still remains a challenge due to its technical complexity, especially for smaller businesses with limited resources and technical know-how. Wald helps organizations to move past these barriers and jump straight to adoption while taking care of the technical aspects.
Allocating Budgets
It’s still a challenge for many companies to understand both AI and cybersecurity principles, in such a case, spending time and resources to build your own systems can turn out to be highly-expensive and time consuming. Using third-party systems that help you leverage expertise to build your own assistants and provide safe access to multiple open AI assistants allows you to get the best of both worlds. Wald.ai assists you to seamlessly achieve these goals.
Productivity Concerns
Another limitation is the potential trade-off between privacy and performance. In some cases, the additional security measures in PrivateGPT-based solutions may lead to a slight decrease in performance or responsiveness of the AI system. Ongoing research and development will be essential to balance privacy and functionality.
Keeping up With Regulations
Additionally, the regulatory landscape governing AI use and data privacy is continually evolving, with new laws emerging across various jurisdictions. PrivateGPT-based solutions must remain adaptable to ensure compliance with these changing requirements, which adds complexity to system implementation and maintenance.
FAQs About PrivateGPT
What is PrivateGPT?
PrivateGPT is defined differently by each company, depending on the secure AI-solutions they offer, they all have data safety as the common factor.
Wald.ai defines PrivateGPT as a class of AI models designed to prioritize user data privacy and security by sanitizing data transfer and safely uploading different documents to interact with for analysis, summarization and advance insights.
What types of documents can I process with PrivateGPT?
Varies as per the LLM model used.
Wald supports Excel, PDF, PPTX, Word and CSV file types. The ingest function can ingest every kind of document format. After a document is ingested, it follows a process of tokenisation and vectorisation that produces a database layer, thus allowing the user to talk to the documents with which it has been fed while receiving real-time context intelligent responses.
How can PrivateGPT enhance data security?
A secure language model such as PrivateGPT utilizes vector databases, encryption, and strict access controls to ensure that user data is stored securely and remains confidential.
What industries can benefit from PrivateGPT?
Industries such as healthcare, finance, and legal sectors can significantly benefit from PrivateGPT by leveraging its capabilities while ensuring the confidentiality of sensitive information.
Can I customize PrivateGPT for my business needs?
Wald.ai’s PrivateGPT solutions include custom AI models, end-to-end encryption, and data sanitization techniques that prevent unauthorized access and protect user privacy.
Are there any limitations or downsides to using PrivateGPT?
Yes, challenges include technical complexities such as client infrastructure while setting up and restrictions in computational abilities (not being able to process large amounts of data) and not being able to use powerful models. Non-local models with sanitization capabilities are a good trade-off.
Conclusion
In a world where data privacy and security are crucial, the emergence of PrivateGPT presents a promising solution to the challenges posed by traditional AI models. By focusing on intelligent sanitization and advanced encryption techniques, Private AI solutions like those offered by Wald.ai are leading the way towards a more secure and privacy-conscious AI ecosystem.
As AI continues to play a role in our lives, adopting PrivateGPT will become increasingly essential to combat AI privacy risks.
Organizations and individuals must recognize the importance of protecting sensitive information and embrace the advantages of privacy-first AI tools. By understanding how PrivateGPT functions, we can collectively work toward a future where the power of AI is harnessed in a manner that respects and safeguards user privacy.