Artificial intelligence is quickly becoming part of everyday legal work. Lawyers are using AI to research cases, review contracts, analyse evidence, prepare briefs, summarise documents, manage matters, and reduce time spent on repetitive administrative tasks.
However, not every AI platform marketed to legal professionals is equally useful. Some are built specifically for lawyers, while others focus on particular tasks such as contract review, litigation, eDiscovery, or legal research.
Below are 20 AI tools for lawyers that can help legal professionals work more efficiently, depending on their practice area and workflow.
1. Harvey
Best for: Legal research, drafting, and law firm workflows
Harvey is one of the most recognised AI platforms developed specifically for professional legal work. It helps lawyers research legal questions, analyse documents, draft legal content, and work with large collections of internal knowledge.
Rather than acting as a simple chatbot, Harvey is designed to support complex workflows used by law firms and professional-services organisations. Lawyers can use it to review documents, prepare drafts, summarise information, and retrieve relevant knowledge more quickly.
It is particularly suited to larger law firms and legal teams looking to integrate generative AI into everyday legal work.
2. CoCounsel
Best for: Legal research and case preparation
CoCounsel is an AI legal assistant from Thomson Reuters designed to help lawyers complete time-consuming legal tasks more efficiently.
It can assist with legal research, document analysis, summarisation, litigation preparation, and reviewing large amounts of case-related information. Lawyers can use it to identify important information within documents and turn complicated material into more manageable summaries.
Because CoCounsel sits within the Thomson Reuters legal technology ecosystem, it is especially relevant for firms already relying on professional legal research products.
3. Lexis+ AI
Best for: AI-powered legal research
Lexis+ AI combines generative AI with the legal research resources available through LexisNexis.
Lawyers can ask legal questions in conversational language, investigate authorities, summarise legal issues, and use AI assistance when creating first drafts. Its major advantage over a general-purpose AI chatbot is its connection to established legal information and research workflows.
It can be useful for attorneys, legal researchers, litigators, and firms that regularly need to find relevant case law and legal authority.
4. Westlaw Precision with AI
Best for: Case law and precedent research
Westlaw is already one of the best-known legal research platforms, and its AI capabilities are designed to make that research process faster and more conversational.
Lawyers can use AI-supported research to explore legal questions, identify potentially relevant authorities, examine precedents, and reduce some of the manual work involved in traditional legal research.
It is particularly useful for litigation teams, legal researchers, and attorneys who need access to extensive legal databases alongside AI-assisted research tools.
5. vLex Vincent AI
Best for: Global and multi-jurisdiction legal research
Vincent AI is the legal AI platform from vLex. It is particularly interesting for lawyers who need to conduct research across multiple jurisdictions.
The platform can assist with analysing legal questions, identifying relevant authorities, comparing legal information, and working with documents. Its broad legal database makes it useful for firms dealing with international matters or research involving more than one legal system.
Vincent AI can also help lawyers move from a broad legal question toward more focused authorities and supporting information.
6. Spellbook
Best for: Drafting and reviewing contracts in Microsoft Word
Spellbook is designed specifically for transactional lawyers and contract professionals. One of its biggest advantages is that it works directly inside Microsoft Word, where many lawyers already draft contracts.
It can help review clauses, suggest alternative wording, identify possible issues, draft new provisions, and compare contract language.
Instead of forcing lawyers to move their work into a completely separate application, Spellbook brings AI assistance into an existing legal drafting workflow.
It is particularly useful for corporate lawyers, commercial attorneys, startups, and in-house legal teams.
7. Luminance
Best for: Contract review and due diligence
Luminance uses AI to help legal teams understand and review large numbers of contracts.
It can identify clauses, highlight unusual terms, support due diligence, assist with contract negotiation, and help teams locate potentially important information across document collections.
This makes it particularly useful during mergers and acquisitions, corporate transactions, compliance reviews, and large-scale contract projects.
For legal teams handling hundreds or thousands of agreements, automated document analysis can reduce a significant amount of repetitive review work.
8. LegalOn Technologies
Best for: AI contract review
LegalOn is focused heavily on contract analysis and review. It helps legal professionals examine agreements, identify potential risks, compare contractual language, and review clauses using defined legal standards and playbooks.
Corporate legal departments and law firms can use the platform to speed up first-pass contract reviews while still allowing lawyers to make the final legal decisions.
It is especially useful for teams repeatedly reviewing similar agreements such as NDAs, vendor contracts, sales agreements, and commercial contracts.
9. Ironclad
Best for: Contract lifecycle management
Ironclad combines contract management with AI capabilities that help organisations create, review, store, search, and manage agreements throughout their lifecycle.
Legal teams can use it to streamline contract requests, approvals, negotiations, signatures, and post-signature management.
Its AI features can also make it easier to find important clauses and information inside existing contracts.
Ironclad is particularly valuable for in-house legal teams that manage a high volume of contracts across different departments.
10. Robin AI
Best for: Contract drafting and negotiation
Robin AI is designed to help businesses and legal teams work with contracts more efficiently.
It can assist with reviewing agreements, analysing clauses, suggesting edits, and supporting contract negotiation workflows. This can help lawyers spend less time on repetitive contract review while concentrating on higher-value legal decisions.
The platform is particularly relevant to commercial legal teams, corporate lawyers, and companies dealing with significant volumes of business agreements.
11. Evisort
Best for: Contract intelligence and document analysis
Evisort helps businesses extract useful information from their contracts and legal documents.
Its AI capabilities can identify contractual terms, obligations, dates, clauses, and other important information that might otherwise require extensive manual review.
Legal teams can use this information to improve contract management, understand risk, monitor obligations, and locate relevant agreements more quickly.
It is especially helpful for organisations with large contract repositories.
12. Kira Systems
Best for: Legal due diligence
Kira is a document-analysis platform used for reviewing contracts and extracting important information from large sets of legal documents.
Lawyers can use it during due diligence to locate relevant clauses, identify contractual terms, and analyse documents more systematically.
This is particularly useful during mergers, acquisitions, financing transactions, and other matters where legal teams may need to review hundreds or thousands of documents within a limited timeframe.
Kira is part of Litera’s legal technology portfolio.
13. Clearbrief
Best for: Legal writing and litigation briefs
Clearbrief is an AI-powered legal writing tool designed particularly for litigators.
It helps lawyers connect statements within legal documents to the supporting evidence behind those statements. This can make it easier to prepare briefs, motions, factual timelines, and other litigation documents.
Clearbrief can also help legal teams work with evidence and citations while drafting inside familiar document workflows.
For litigators dealing with large records, this can make checking factual support substantially easier.
14. BriefCatch
Best for: Improving legal writing
BriefCatch focuses on making legal writing clearer, more concise, and more persuasive.
Lawyers can use it to identify unnecessarily complicated sentences, improve readability, remove weak wording, and polish briefs, memoranda, motions, letters, and other professional documents.
Unlike tools focused primarily on legal research, BriefCatch concentrates on the quality of the writing itself.
It can be useful for litigators, law students, judges, legal academics, and attorneys who frequently prepare written legal arguments.
15. Paxton AI
Best for: Legal research and drafting assistance
Paxton AI is an AI platform built for legal professionals. It can help lawyers research legal questions, analyse documents, draft legal content, and work through complicated legal information.
The platform is designed to provide an AI-assisted workspace rather than requiring lawyers to rely on general-purpose consumer chatbots for legal tasks.
It may be useful for solo attorneys, smaller firms, legal researchers, and teams that want AI support for both research and drafting.
16. Everlaw
Best for: Litigation and eDiscovery
Everlaw is a cloud-based litigation and eDiscovery platform that helps legal teams manage large collections of evidence and documents.
Its technology can assist with reviewing evidence, organising case information, searching document collections, preparing litigation material, and collaborating across legal teams.
AI features can make it easier to identify relevant information within large datasets.
Everlaw is especially useful for litigation firms, government legal teams, investigations, and cases involving extensive electronic evidence.
17. Relativity
Best for: Large-scale eDiscovery and investigations
Relativity is widely used for eDiscovery, investigations, litigation, and large-scale document review.
Its AI-powered capabilities help legal teams analyse large volumes of electronically stored information, identify potentially relevant material, and prioritise documents that require closer review.
For complicated litigation involving emails, documents, communications, and other digital evidence, platforms such as Relativity can significantly improve how legal teams organise and investigate information.
18. DISCO
Best for: AI-assisted eDiscovery
DISCO provides legal technology for eDiscovery, document review, and litigation.
The platform helps attorneys search and analyse large collections of case documents and electronically stored information.
AI-assisted review can help legal teams prioritise relevant material, organise evidence, and reduce some of the manual effort associated with discovery.
It is most relevant to litigation practices, corporate legal departments, and firms dealing with complex discovery matters.
19. Clio Duo
Best for: Law firm productivity and practice management
Clio is one of the most established legal practice management platforms, and Clio Duo adds AI capabilities to the law firm workflow.
It is designed to help legal professionals interact more efficiently with information stored within their practice management environment.
AI assistance can support tasks involving matters, documents, communications, and everyday firm administration.
For smaller and mid-sized law firms already managing their work through Clio, having AI embedded within the same ecosystem can be more practical than adopting another completely separate platform.
20. ContractPodAi
Best for: Legal operations and contract management
ContractPodAi provides AI-powered tools for contract lifecycle management and legal operations.
Legal departments can use the platform to organise contracts, automate workflows, review information, search documents, and manage different stages of the contract process.
Its broader focus on enterprise legal work makes it particularly relevant to in-house departments that need to manage contracts and legal information across an organisation.
Which AI Tool Is Best for Lawyers?
There is no single AI tool that is best for every lawyer because legal professionals perform very different types of work.
For legal research, platforms such as Lexis+ AI, Westlaw, CoCounsel, and Vincent AI are among the most relevant options.
For contract drafting and review, Spellbook, LegalOn, Luminance, Robin AI, and Ironclad are worth considering.
Litigation teams working with huge numbers of documents may benefit more from Everlaw, Relativity, or DISCO, while lawyers looking primarily to strengthen their legal writing may find Clearbrief or BriefCatch more useful.
Large firms interested in broader generative AI workflows may also consider platforms such as Harvey.
The best approach is to choose a tool based on the actual legal task you need to improve instead of selecting software simply because it includes AI.
What Can Lawyers Use AI For?
AI can support lawyers across several areas of legal practice, including:
- Legal and case law research
- Contract drafting
- Contract review
- Clause identification
- Legal document summarisation
- Due diligence
- Discovery and eDiscovery
- Litigation preparation
- Evidence organisation
- Legal writing and editing
- Knowledge management
- Practice management
- Document search
- Contract lifecycle management
AI is generally most useful when it reduces repetitive work and helps lawyers locate or organise information more efficiently.
However, legal professionals should still independently verify AI-generated research, citations, documents, and conclusions before relying on them for professional legal work.
How to Choose an AI Tool for Your Law Firm
Before adopting legal AI software, consider what problem you actually want the technology to solve.
A litigation firm may need sophisticated eDiscovery capabilities, while a corporate law practice may benefit much more from contract review automation. A solo attorney may prioritise affordability and ease of use, while a large firm may need security controls, integrations, knowledge management, and enterprise-level administration.
You should also evaluate confidentiality, data security, jurisdictional coverage, integrations, accuracy, and the amount of human review required.
AI should support legal judgment rather than replace it.
Final Thoughts
AI tools for lawyers are becoming increasingly specialised. Instead of relying only on general-purpose AI assistants, legal professionals can now choose platforms specifically developed for legal research, contracts, litigation, eDiscovery, legal writing, and law firm management.
Tools such as Harvey and CoCounsel cover broad legal workflows, while Spellbook and LegalOn focus heavily on contracts. Lexis+ AI, Westlaw, and Vincent AI are more closely associated with legal research, and platforms such as Everlaw and Relativity are designed for document-heavy litigation and discovery.
The right AI tool ultimately depends on your practice area, firm size, workflow, security requirements, and the legal tasks consuming the most time.
Whichever platform you choose, AI-generated legal information should be reviewed carefully. Lawyers remain responsible for checking authorities, citations, facts, confidentiality requirements, and the final legal work delivered to clients.
