AI for Contract Drafting in Australia: Limits, Risks, and Practical Uses

Contract drafting is one of the most-cited use cases for AI in legal and business settings. Tools like Claude and ChatGPT can produce a first draft of a non-disclosure agreement, a simple service agreement, or a set of standard terms in a few minutes. For businesses without a dedicated legal team, and for law firms handling high-volume routine documents, this is a real time saving.

But AI also hallucinates in contract drafting. It invents clauses that sound standard but are not. It misapplies legal concepts. And it has no way of knowing what your specific situation requires. Understanding where AI helps and where it fails is the prerequisite to using it safely.

Where AI Contract Drafting Actually Works

AI performs well in contract drafting tasks where the output is a starting point for human review, not a finished document:

• Standard boilerplate clauses: Confidentiality clauses, limitation of liability clauses, governing law and dispute resolution clauses, payment terms. AI can produce clean first-draft language for any of these in seconds.
• Non-disclosure agreements: NDAs are among the most templated contracts in business. An AI-generated NDA covering definition of confidential information, permitted use, return of information, and term is a reasonable starting point for a low-stakes situation. Always have a solicitor review before signing NDAs that cover significant commercial matters.
• Simple service agreements: Describing scope of work, payment schedule, IP ownership, and termination rights for standard service engagements. Useful as a first draft where both parties expect negotiation.
• Reviewing documents for missing clauses: Ask an AI to review a draft contract and identify what is missing. It is often good at spotting absent sections that are typically included in that contract type.
• Rewriting clauses in plain English: Translating dense legal language into readable terms for client communication or internal review. The AI is not interpreting the law; it is paraphrasing. Verify the paraphrase is accurate before relying on it.

Where AI Contract Drafting Creates Risk

AI contract drafting fails or creates risk in the following situations:

• Complex commercial transactions: Mergers and acquisitions, significant property transactions, joint venture agreements, and anything with multi-layered interdependencies across clauses. The interaction between clauses requires legal expertise that AI does not have.
• Novel or unusual situations: If your situation does not closely match common templates, AI will fit your facts into the nearest standard pattern it knows, which may not be appropriate.
• Regulatory-specific contracts: Financial services agreements (AFSL obligations), healthcare service agreements (patient rights, health records), employment contracts with award obligations. Australian-specific regulatory requirements are frequently wrong or missing in AI-generated drafts.
• High-value or high-liability contracts: If the consequences of a bad contract clause are significant, the cost of a solicitor review is trivially small by comparison.
• Unfair contract terms: Australian Consumer Law was extended to cover business-to-business contracts from November 2023. AI tools do not reliably account for this when drafting standard form contracts.

Australian Context: What AI Gets Wrong

Australian contract law has specific features that AI tools frequently mishandle:

• Unfair contract terms (ACL): The Australian Consumer Law unfair contract terms regime now covers small business contracts as well as consumer contracts (from November 2023, with harsher penalties from 2024). AI tools trained on US contract templates do not consistently apply this. The ACCC provides guidance on unfair contract terms: accc.gov.au.
• Electronic signatures and contracts: The Electronic Transactions Act 1999 (Cth) and equivalent state legislation permit electronic signatures for most commercial contracts. AI can draft execution clauses that are technically correct under Australian law, but verify the specific requirements for your document type.
• Industry-specific obligations: Contracts in financial services, construction, healthcare, and professional services have Australian-specific regulatory requirements. Always confirm these with a specialist.
• Governing law clauses: AI tools default to jurisdictions based on their training data. Ensure any governing law clause specifies the correct Australian state or territory, not a US state.

A Practical Workflow for AI-Assisted Contract Drafting

This workflow treats AI as a drafting assistant, not a legal adviser:

1. Define what you need: Before prompting, write down the key commercial terms: parties, subject matter, price, term, key obligations on each side, IP ownership if relevant, and termination rights. The more specific your prompt, the more useful the output.
2. Generate a first draft: Ask the AI to draft the document based on your defined terms. Specify Australian law and the relevant state as governing law in your prompt.
3. Review for completeness: Read the draft and check that all the commercial terms you defined in step 1 are present and accurately reflected. Look for clauses that seem odd or that you do not understand.
4. Check for Australian-specific errors: Look for governing law (should specify an Australian state), references to legislation (verify section numbers independently), and any clause that seems to assume a US or UK legal context.
5. Solicitor review before signing: For any contract with material commercial consequences, have a solicitor review the draft before execution. AI drafts are a time-saving starting point, not a substitute for legal advice.

Which AI Tools Work Best for Contract Drafting?

For contract drafting specifically, the two most-used general-purpose tools are Claude and ChatGPT. Both produce reasonable first-draft contract language. Claude's 200,000-token context window is a practical advantage when working with long contracts or multiple documents at once. ChatGPT is more familiar to most business users and has a wide integration ecosystem.

Neither is a specialist legal drafting tool. Neither consistently applies Australian-specific legal requirements. Both require the same human review layer before any output is used in practice. Specialist legal AI tools with Australian law training data may exist or emerge; check with Australian legal technology vendors for current options.

On data handling: if you are pasting client-specific commercial terms into an AI tool, understand that you are disclosing that information to a third-party cloud service. ChatGPT Plus trains on conversations by default (opt out in Settings). Claude Pro and Claude for Teams do not train on your conversations by default. For any sensitive commercial matter, use the appropriate plan and review the vendor's data terms before sharing information.

Related reading: our AI vendor contracts and Privacy Act.

Can AI write a legally binding contract in Australia?

An AI can draft contract language, but the legal validity of a contract depends on whether it meets the requirements of Australian contract law: offer, acceptance, consideration, intention to create legal relations, and certainty of terms. A poorly drafted contract, whether written by AI or a human, may be unenforceable if essential terms are missing or unclear. AI-drafted contracts should be reviewed by a qualified solicitor before execution where the matter is commercially significant.

Is it safe to put my contract details into ChatGPT?

ChatGPT Plus trains on user conversations by default unless you opt out in Settings. ChatGPT Team and Enterprise do not train on your conversations. All versions of ChatGPT send data to OpenAI's US-based infrastructure, which is relevant under Privacy Act APP 8 if the contract details include personal information about individuals. For commercially sensitive contracts, use a plan that disables training on your data and review OpenAI's current data handling terms before proceeding.

What types of contracts are safe to draft with AI assistance?

AI-assisted drafting is most appropriate for standard, low-complexity contracts where human review will follow: simple NDAs, standard service agreements, basic licensing terms, and internal policy documents. It is not appropriate as a standalone drafting method for complex commercial transactions, contracts with significant liability exposure, regulated industry agreements (financial services, healthcare, construction), or any situation where the consequences of a drafting error would be material.

How do I make sure AI contract language is accurate for Australian law?

The most reliable approach is to treat AI output as a first draft and have a solicitor review it before use. Specific checks to perform yourself: verify any legislation references are correct (check the cited section number directly on legislation.gov.au or the relevant state equivalent), confirm governing law specifies an Australian state, check for clauses that appear to assume a US or UK legal context, and verify that any industry-specific obligations are correctly reflected.

What is the unfair contract terms regime in Australia?

Australia's unfair contract terms protections under the Australian Consumer Law were extended to cover small business contracts from November 2023, in addition to consumer contracts. Under the regime, terms in standard form contracts that are unfair may be void and unenforceable, and businesses can now face civil penalties for including them. The ACCC publishes guidance on what constitutes an unfair term: accc.gov.au. AI tools do not consistently account for this regime when drafting standard form contracts.