This question is at the forefront of every legal and IT department today.
With the temptation to accelerate contract review and summary, the urge to simply paste a lengthy client agreement into a large language model (LLM) is strong.
However, the definitive answer is clear: No, it is generally not safe or compliant to upload un-redacted, sensitive business contracts to the default version of ChatGPT or other public LLMs.
The fundamental problem is one of confidentiality and policy.
A sensitive contract contains client PII (Personally Identifiable Information), proprietary business terms, and legal commitments.
When you upload this data to a public AI service, you create two distinct, major risks:
Treating ChatGPT like a universal, secure document repository is a critical mistake.
It is an interaction tool that processes data, and until you verify the security and data-retention policies of the specific service you are using, you must assume your information is not private
For B2B organizations, the risk extends far beyond simple privacy and into the realm of legal liability. The following factors make the use of public LLMs for sensitive legal documents a significant compliance crisis:
As mentioned, when you input data into many public AI models, that data may be consumed for training. Even if a vendor promises data isn't used for training, the logging and auditing controls often fall short of enterprise requirements. If a data breach were to occur, you would have no auditable trail to prove the data was handled in accordance with industry security standards (like SOC 2 or ISO 27001).
The greatest technical danger lies in the potential for data spillage. As reported by numerous users, errors in the AI model can sometimes result in one user being shown sensitive, previously uploaded information from a completely different, unrelated user. This unintentional exposure immediately turns a simple query into an unrecoverable breach of client trust and confidentiality.
Every client contract likely includes a clause regarding the secure handling of shared information. By pasting a contract into a public AI service, you breach this agreement. Furthermore:
Even if an employee managed to upload a contract without triggering a compliance breach, the limitations of general-purpose AI would still introduce significant, career-ending risk into the workflow.
ChatGPT and other public LLMs are predictive text engines, not legal experts, and they suffer from three critical deficiencies when applied to complex B2B contracts:
For legal professionals, precision is everything. However, LLMs are known to "hallucinate"—they generate confident, plausible-sounding outputs that are completely fabricated.
Relying on AI for anything beyond general brainstorming requires 100% human verification—which eliminates much of the promised efficiency.
Contracts are not just words; they are documents built on business context, negotiation history, and specific organizational risk tolerance. Public AI models lack this critical layer of embedded knowledge.
The most significant risk is that the human user is always 100% responsible for the AI's output.
Given the high stakes of contract management, the solution is not to avoid AI, but to apply it strategically and securely. The key is to move from general-purpose tools to specialized, controlled environments.
For high-stakes B2B work, the only acceptable option is a secure, contract review platform.
If you must use a public model for non-critical work, you must adopt a strict, manual redaction policy.
The most successful B2B organizations use AI as a powerful co-pilot, augmenting human expertise, not replacing it.
The single greatest risk isn't the AI model itself, but the lack of a clear, enforceable internal policy.
The time saved by using public AI is dramatically outweighed by the financial and legal liability of a single data breach or a single AI-generated legal error. Your policy should prohibit the upload of any unredacted client or proprietary contract data to any non-approved, general-purpose platform.
If you have questions regarding the safe implementation or use of AI-powered tools for contract review, please book a demo with us today.
We will be more than happy to guide you!