Legal Tech
BriefCatch
Specialist legal editing assistant that plugs into Microsoft Word to clean up legal writing, boost persuasiveness, and refine brief structure.
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ChatGPT (OpenAI)
Powerful general AI for drafting emails, outlining briefs, and summarising non-confidential documents. Data treatment depends on the selected plan, account settings and contractual terms.
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Claude (Anthropic)
Preferred by many contract lawyers over ChatGPT for its strong natural tone, legal reasoning, and 200K+ token context window for uploading long contracts.
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Clearbrief
AI platform for litigators that analyzes filed court briefs, pulls cited evidence alongside claims, and flags whether a source was misquoted or hallucinated.
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CoCounsel (Thomson Reuters)
Established product legal AI for research, contract review, and deposition prep. Backed by Westlaw's authoritative case law database with agentic AI capabilities.
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DeepSeek
Relevant open-source model suite handling complex legal reasoning, contract analysis, and multi-language document summaries. Extremely popular for private, locally hostable deployment.
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Draftwise
Plugs into Word and DMS like iManage to pull proven precedent clauses from past firm deals directly into current contracts.
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GC AI
Designed specifically for in-house legal departments to manage intake, review playbooks, draft contracts, and run risk analyses quickly.
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Gemini (Google AI)
Backed by Google's massive model context (up to large context window depending on current plan), Gemini excels at analyzing multi-hundred-page legal discovery files and cross-referencing complex case documents.
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Genie AI
Open-source contract drafting platform and legal database with 100,000+ AI-analyzed legal templates and risk checks on drafted contracts.
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Google NotebookLM
Turns your case files into a private, source-grounded Q&A system with exact inline citations to uploaded PDFs. Upload up to 50 legal documents into a closed notebook.
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Harvey AI
Designed for custom LLM platform backed by OpenAI, designed for enterprise law firms and corporate legal departments.
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Jurisage
Specialised for Commonwealth law practitioners to perform conversational case law research and generate headnote summaries from court rulings.
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LegalOn
Specialist AI for pre-signature contract review that flags risky clauses against custom firm playbooks and auto-generates redline edits.
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Lexis+ AI / Protégé (LexisNexis)
Direct rival to CoCounsel built on LexisNexis' primary law database with conversational search, draft creation, and verifiable citations.
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Llama model family / Meta AI
Meta's open-source Llama model engine powers many private, self-hosted legal AI setups. Law firms use it to build fully on-premise document review tools ensuring zero data leaves the firm.
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Microsoft 365 Copilot
Embeds AI directly into Microsoft Word, Excel, and Outlook for basic drafting, summarisation, and email triage without leaving the Office environment.
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Mistral / Le Chat
Europe's flagship AI model. Known for European hosting and compliance options may be available depending on plan and configuration and multi-language contract processing (especially French, German, and Spanish). Free web app and open weights.
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Perplexity AI
Supercharged search engine with cited sources. Best suited to preliminary statutory research and tracking current regulatory news.
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Robin AI
Combines Anthropic's Claude engine with legal software to read, re-draft, and negotiate high-volume contracts up to vendor-claimed productivity improvement for in-house legal teams.
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Specialist open legal models
Free, fine-tuned legal LLMs trained exclusively on legal texts, court decisions, and briefs. Law firm IT teams can download and deploy them locally for free.
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Spellbook
AI contract drafting, analysis, and negotiation tool built directly into Microsoft Word.
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Vincent AI (vLex)
Powerful global legal research platform. Searches primary law across 110+ jurisdictions (US, UK, EU, Latin America, Commonwealth) with argument comparisons and case summaries.