Jurata® Legal Agent vs. ChatGPT, Claude, Gemini and Copilot

Purpose

Specialised legal agent for research, review and drafting under Swiss law

General-purpose assistants for all kinds of tasks, from writing and translation to data analysis

Target audience

Law firms, legal departments and other legal professionals in Switzerland

Broad audience worldwide, from private individuals to large enterprises

Knowledge base

Swiss legislation, case law and administrative practice; answers with pinpoint references

Knowledge from model training, supplemented depending on settings by web search, uploaded files and connectors

Trustpilot reviews

4.9 stars (87 reviews)

ChatGPT 1.6 stars (3’846 reviews), Claude 1.5 (2’072), Gemini 1.4 (1’396), Microsoft Copilot 1.5 (501)

Legislation

Over 500’000 statutory provisions from federal law and all 26 cantons

The providers themselves document no corpus of Swiss legislation. Answers rely on model knowledge, web search, uploaded files or third-party extensions, which must be set up separately and in some cases require a separate account

Cantonal law

Dedicated search tools for cantonal legislation and cantonal court decisions: semantic, keyword and targeted search

No dedicated tools for cantonal law documented by the providers themselves (third-party extensions excepted)

Case law

Over 960’000 published decisions: Federal Supreme Court including unpublished judgments, Federal Administrative, Criminal and Patent Courts, cantonal courts

No Swiss case-law collection from the providers themselves; Swiss decisions can only be added via third-party extensions or connectors. OpenAI offers Astra for Law, a legal index covering US law, initially to selected law firms; Claude connects to providers such as Thomson Reuters via connectors, with no Swiss sources named by Anthropic

Library with administrative practice

Library maintained by Jurata with over 1’100 documents such as circulars, directives and practice notes, from FINMA, ESTV, SEM, BSV and EHRA among others

No curated collection of Swiss administrative practice from the providers themselves documented

Citation graph

Interactive citation graph (Swiss Legal Graph, around 1.5 million nodes and almost 20 million relationships) showing the procedural history, case outcomes and citations down to paragraph and letter

No equivalent offering from the providers themselves documented (third-party extensions excepted)

Answer validation at statement level

After every answer, answer validation checks each statement against all original sources cited for it and shows what is supported, partly supported or not supported, including citations from uploaded documents

No automatic check against Swiss original texts documented. All four providers state in their terms or help pages that answers may contain errors and should be checked independently

Check of every citation

Every citation is assessed individually: supported, wrong pinpoint, does not contribute to the statement, or contradicts the statement

No individual check of citations documented by the providers; OpenAI, Anthropic and Microsoft point out that citations or sources may be incorrect

Unsupported legal statements

Legal statements without a citation are flagged

No automatic flagging of unsupported legal statements against Swiss original sources documented

Sources sidebar

Clicking a citation opens the provision or decision next to the answer and highlights the supporting passage; direct links to fedlex.admin.ch, bger.ch and cantonal original documents

Web links when a web search is run, or references to uploaded documents and connected sources; not every answer includes sources. According to OpenAI, search results and citations can be incomplete, outdated or incorrect

Version date

Statutory provisions show the date of the captured version («Version from …», for cantonal law «As of …») and when Jurata last updated them

No indication of the version date of statutory provisions documented by the providers themselves

Dossiers per matter

A dossier brings together all chats and case documents of a matter. Every new chat in the dossier knows the case from the first question, insights from earlier chats flow in automatically, and an AI summary records the status of the case

ChatGPT and Claude offer projects with chats, files and project-specific memory; Gemini and Copilot offer notebooks that bring together sources and chats. These features are general-purpose and not tailored to legal matters

Word editor in the Legal Agent

Integrated Word editor in the Workbench, fully equivalent to Microsoft Word; the file format (.docx) is 100 % preserved. With tracked changes, comments, styles, numbering, table of contents, spell check and AI editing directly at the selected passage

ChatGPT, Claude and Gemini offer their own text editors in the chat (writing blocks, Claude Docs, Canvas), in which selected passages are revised by AI; Claude Docs exports to Word, Gemini to Google Docs, which can edit Microsoft Office files. None of these providers documents an editor of its own that edits .docx files with tracked changes. ChatGPT and Claude also work in Microsoft Word via add-ins; Copilot is an assistant within Microsoft Word, not an editor of its own

Export with source list

Any answer or the whole conversation as Word or PDF; citations link to Fedlex and the decisions, and a source list is included

ChatGPT: deep research reports as Markdown, Word or PDF; not documented for regular answers. Copilot: Researcher reports as Word or PDF; not documented for regular answers. Gemini: export to Google Docs, carry-over of sources not documented. Claude: export with a source list not documented

Data storage

Microsoft Azure in Switzerland (Switzerland North region), on all plans; chats and documents stored encrypted and deletable at any time

ChatGPT: consumer plans on servers outside the EEA and Switzerland, including in the US; storage in the «Europe (EEA + Switzerland)» region only for new Enterprise and Edu workspaces, not for Business. Claude (claude.ai): Team and Enterprise in the US, consumer plans in the US or other countries outside the EEA; no EU or Swiss region. Gemini: no location commitment with a personal account; Workspace data regions only US or Europe. Copilot: with a work account and a Swiss tenant, Copilot interactions are stored in Switzerland as long as the in-country storage setting is on; for tenants created after 14 September 2026 it is off by default, in which case storage within the EU Data Boundary is possible from 14 December 2026. No location commitment with a personal account

Model inference (language models)

Microsoft Azure in Switzerland and the EU, never in the US

ChatGPT: processing in Europe only for Enterprise and Edu with inference residency, with individual steps such as text extraction from files also outside the region. Claude: traffic may be routed to the US, Europe, Asia and Australia; in the Claude plans the only location option is «US only» (usage-based Enterprise plans). Processing in a chosen region, such as the EU, only via a separate deployment of Claude Desktop with cloud providers such as Amazon Bedrock or Google Cloud. Gemini: in-region processing only with «Enterprise Data Regions» or «Assured Controls Data Regions» (US or Europe). Copilot with a work account: within the EU Data Boundary, which includes Switzerland; at peak demand with flex routing also in the US, Canada or Australia (on by default for tenants created after 25 March 2026, can be switched off); models from Anthropic are excluded from the EU Data Boundary

Training on customer data

No, on all plans, neither by Jurata nor by the LLM provider; zero data retention at the LLM provider

ChatGPT Free, Go, Plus, Pro and Claude Free, Pro, Max: used for training unless switched off in the settings; ChatGPT Business, Enterprise, Edu and Claude Team, Enterprise: no training by default. Gemini with a personal account: training and review by human reviewers while activity saving is switched on (default); Workspace: no training outside the customer's own domain without permission. Copilot: according to Microsoft, prompts and responses are not used to train foundation models, with work or personal accounts

Subcontractors

Microsoft Azure is the only subcontractor that receives case and client data.

ChatGPT (Business, Enterprise, Edu): list of subprocessors including Microsoft, CoreWeave, Google Cloud, Amazon Web Services and Oracle, as well as TaskUs for support and content moderation. Claude: including Google Cloud, Amazon Web Services and Microsoft Azure (worldwide), and Brave Search for web search. Google Workspace: Google group companies and external support providers such as Accenture or Deloitte. Copilot with a work account: including OpenAI and Anthropic as subprocessors (Anthropic disabled by default in the EU and EFTA)

Contracting party

Jurata AG, Zurich; Swiss law

Companies based in Ireland: OpenAI Ireland Ltd (ChatGPT), Anthropic Ireland, Limited (Claude), Google Ireland Limited or, for Workspace, Google Cloud EMEA Limited (Gemini), Microsoft Ireland Operations Limited (Copilot with a personal account)

Professional secrecy

Legal opinion by Dr. iur. David Vasella (Walder Wyss): use including the entry of client data without client consent complies with professional and data protection law (Art. 321 SCC, Art. 13 BGFA, FADP, GDPR)

The assessment depends on the chosen plan and the contract terms and rests with the law firm. Google advises against entering confidential information in the Gemini consumer offering

Swiss legal sources in Word

Word Add-in in Microsoft Marketplace with Chat, Research, Drafting, Revision and Review; research in Swiss legislation and case law directly in the document

ChatGPT for Word and Claude for Word as add-ins, as well as Copilot in Word, work with the respective model; the providers offer no connection of their own to Swiss legal sources. Claude for Word can use connectors through which third-party sources can be added. Google offers no Word add-in for Gemini

Citation style

Insert citations in Swiss citation style in the text or as a footnote, e.g. (Art. 41 OR), (BGE 132 III 668) or (BGer 6B_70/2023)

No function for inserting citations from Swiss legal sources documented

Document review with commercial register

Automatic review of the document for terminology, cross-references, consistency, completeness, legal accuracy and ambiguity, with one-click fixes; companies named in the document are checked against the commercial register (Zefix)

ChatGPT for Word and Claude for Word review documents on request, for example for inconsistent terms and cross-references; a check against the Swiss commercial register by the providers themselves is not documented

Deadline calculator

Deadline calculator as a tool of the agent: deadlines in days or months, taking into account the public holidays of the relevant canton and court holidays

No specialised deadline calculator from the providers themselves documented

Commercial register

Zefix lookup by the agent: UID, company name, registered office, auditor and, based on SOGC publications, current authorised signatories

No Zefix connection from the providers themselves documented (third-party extensions excepted)