The Best AI Tools for Document Drafting: Streamline Your Legal Workflow
In legal practice, document drafting is one of the most time-consuming and essential tasks. Lawyers need to produce accurate, consistent, and well-structured documents while balancing research, client work, deadlines, and case strategy. AI tools can help reduce the manual effort involved in drafting by speeding up outlines, generating first drafts, organizing source material, and improving consistency across documents.
For legal professionals evaluating the best AI tools for document drafting, the most useful options are those that fit their workflow, document types, and risk tolerance. Some tools are built specifically for legal work, while others are general-purpose writing assistants that can support early-stage drafting and client communications.
Why AI Document Drafting Tools Matter for Legal Professionals
Legal teams handle a high volume of contracts, briefs, memos, client letters, and internal documents. AI drafting tools can help by:
- Saving time on repetitive drafting tasks
- Improving consistency across standard documents
- Helping identify missing language, gaps, or inconsistencies
- Supporting faster first drafts and revisions
- Reducing the manual effort involved in routine work
- Helping teams scale output without sacrificing quality
These tools do not replace legal judgment. Instead, they help lawyers start faster, work more efficiently, and spend more time on strategy and review.
The Best AI Tools for Document Drafting
1. Lexis+ AI
Lexis+ AI is a legal research and drafting platform that combines generative AI with access to legal content. It is designed to support legal professionals working on research, document review, and first-draft creation.
What it does:
- Generates first drafts of legal documents such as briefs, memos, and client communications
- Summarizes lengthy legal materials
- Extracts key information from documents
- Answers legal questions with citations
- Supports drafting within a legal research workflow
Why it is useful:
Lexis+ AI is especially helpful when you need to move quickly from research to draft. It can provide a structured starting point, which reduces the time spent staring at a blank page. Its summarization and citation features also make it useful for preparing supporting material before drafting.
Best fit / use case:
Ideal for lawyers drafting pleadings, motions, memos, and client letters, as well as professionals who need to review and synthesize complex legal texts quickly.
Pros:
- Built for legal workflows
- Strong research integration
- Helpful citation and summarization features
- Useful for drafting with legal context
Cons:
- Can be expensive
- Outputs still require careful review and validation
2. Kira Systems (now part of Litera)
Kira Systems is best known for contract analysis, but its document intelligence capabilities can also support drafting, especially when creating or refining agreements.
What it does:
- Identifies and extracts clauses and key terms from legal documents
- Analyzes existing contracts for patterns and variations
- Helps users compare agreements and assess clause usage
- Supports drafting decisions with insights from prior documents
Why it is useful:
Kira is valuable when drafting contracts based on existing agreements. By analyzing large sets of documents, it can help teams identify standard language, common structures, and missing provisions. That makes it easier to produce more consistent and informed drafts.
Best fit / use case:
Well suited for drafting or revising contracts, especially when firms want to standardize language or use prior agreements as a reference point.
Pros:
- Strong contract analysis capabilities
- Useful for identifying common provisions
- Helpful for consistency across document sets
- Integrates with other legal technology tools
Cons:
- More focused on analysis than direct generative drafting
- Works best when trained on relevant document types
3. ContractExpress by Sherpa Legal
ContractExpress is a document automation platform that generates customized documents from templates and user inputs. It is not a generative AI tool in the same sense as Lexis+ AI or Harvey AI, but it is highly effective for structured drafting.
What it does:
- Builds template-driven documents with conditional logic
- Uses questionnaires and input fields to tailor documents
- Includes or excludes clauses based on responses
- Automates repetitive document generation
Why it is useful:
ContractExpress is ideal for high-volume drafting where documents follow predictable formats. It can dramatically reduce the time spent creating NDAs, engagement letters, employment agreements, and other repeatable documents while maintaining consistency.
Best fit / use case:
Best for law firms and legal departments that draft the same document types repeatedly and want a reliable automation system for standard workflows.
Pros:
- Very efficient for repetitive drafting
- Improves consistency and accuracy
- Highly customizable
- Useful for scalable document production
Cons:
- Requires upfront template setup
- Needs ongoing maintenance
- Relies on logic-based automation rather than generative drafting
4. Harvey AI
Harvey AI is a legal-focused generative AI assistant designed to help lawyers with drafting, research, and analysis. It is built to support legal professionals working on a range of written tasks.
What it does:
- Drafts memos, briefs, emails, and contract clauses from prompts
- Summarizes legal materials
- Helps identify issues in legal text
- Explains complex legal concepts in plain language
Why it is useful:
Harvey AI can help lawyers generate a strong first draft quickly and overcome writer’s block. It is useful for both transactional and litigation workflows where speed and structure matter, but the final output still needs legal review.
Best fit / use case:
Suitable for legal professionals who need to produce written work efficiently, including litigators, corporate lawyers, and in-house teams.
Pros:
- Strong generative drafting capabilities
- Designed with legal use cases in mind
- Supports a wide range of drafting tasks
- Can speed up early-stage writing
Cons:
- Requires careful review and verification
- Access may be limited through firm partnerships
5. Jasper
Jasper is a general-purpose AI writing tool that can support some legal drafting tasks, especially for client-facing and more general content.
What it does:
- Generates written content from prompts
- Offers templates for different content types
- Helps create outlines, drafts, and rewritten text
- Produces clear, readable copy quickly
Why it is useful:
Jasper can be helpful for legal professionals who need to draft client alerts, newsletters, internal communications, or initial outlines. It can also assist with rephrasing text for clarity and concision.
Best fit / use case:
Best for non-substantive legal content, client communications, internal updates, and early drafts that will be reviewed and revised by a lawyer.
Pros:
- Easy to use
- Flexible for different writing tasks
- Good for fast draft generation
- More affordable than some specialized legal tools
Cons:
- Not built specifically for legal work
- Requires substantial human review
- Does not provide legal authority or legal-specific nuance
6. ShortlyAI, now part of Copy.ai
ShortlyAI is known for simple long-form content generation and is now part of the Copy.ai suite. It can help legal professionals expand ideas into draft text more quickly.
What it does:
- Continues text from a prompt or opening sentence
- Helps expand short notes into longer sections
- Supports paragraph generation and rewriting
Why it is useful:
ShortlyAI can help legal professionals move past the blank page when drafting background sections, summaries, or descriptive content. It is best used as a writing support tool rather than a legal drafting solution.
Best fit / use case:
Useful for expanding outlines, drafting factual summaries, and generating variations of text that will later be refined by a legal professional.
Pros:
- Simple and fast to use
- Good for expanding rough ideas
- Helps with early drafting
Cons:
- Not legal-specific
- Requires close review for accuracy
- Lacks advanced legal drafting features
How to Choose the Right AI Tool for Document Drafting
The best tool depends on your practice area, document volume, and how much structure your drafting process requires.
Consider the following:
- Generative vs. automation: Do you need a tool that writes from prompts, or one that assembles documents from templates and inputs?
- Legal specialization: Legal-focused tools are usually better for accuracy and workflow fit than general-purpose writing tools.
- Document type: Contract-heavy practices may benefit more from automation and clause analysis, while litigation teams may prefer generative drafting support.
- Integration: Look for tools that work well with your document management systems, practice tools, and research platforms.
- Ease of use: A powerful tool is less useful if your team cannot adopt it quickly.
- Security and confidentiality: Legal work requires strong data protection, clear privacy policies, and vendor reliability.
Pricing and Value Considerations
Pricing varies widely across AI drafting tools. Some legal research platforms bundle AI features into premium subscriptions. Document automation products often require licensing fees and setup costs. General-purpose writing tools may offer lower entry points but provide less legal specificity.
When comparing value, look beyond monthly cost. Consider how much time the tool can save, whether it improves consistency, and how much review time it still requires. A tool that speeds up first drafts or automates repetitive work may deliver strong long-term value even if the upfront investment is higher.
Many providers offer demos or trials, which can be useful for testing fit before committing.
Frequently Asked Questions About AI for Document Drafting
Can AI replace lawyers in document drafting?
No. AI can assist with drafting, but it cannot replace legal judgment, client-specific analysis, or professional review. Lawyers remain responsible for validating and approving final work.
How accurate are AI tools for legal document drafting?
Accuracy varies by tool. Legal-focused platforms are generally better suited to legal tasks, but every AI-generated draft should be reviewed carefully for accuracy, relevance, and compliance.
Are AI tools for document drafting secure and confidential?
Reputable vendors invest in security, but legal professionals should still review privacy policies, data handling practices, and compliance commitments before using any tool with confidential information.
What kinds of documents can AI assist with?
AI tools can help draft briefs, motions, contracts, memos, NDAs, employment agreements, client advisories, and internal communications, depending on the tool.
Is there a learning curve?
Yes. Even user-friendly tools take time to learn, especially when it comes to prompting, review, and integrating them into existing workflows.
Conclusion
AI is changing how legal professionals approach document drafting. The right tool can help reduce repetitive work, speed up first drafts, improve consistency, and support more efficient workflows.
The best AI tools for document drafting depend on what your firm produces most often. Legal-focused platforms like Lexis+ AI and Harvey AI are well suited for generative drafting and research support. Kira Systems and ContractExpress are strong options for contract analysis and automation. General-purpose tools like Jasper and ShortlyAI can also be useful for outlines, summaries, and client-facing content, as long as their outputs are carefully reviewed.
The goal is not to replace legal expertise, but to support it. With the right tool in place, legal teams can draft faster, work more efficiently, and focus more attention on strategy, judgment, and client service.