Compare · Cassandra Research
Cassandra Research alternatives for Australian accountants
Cassandra Research is an Australian AI tax and legal research workspace covering 23 jurisdictions, with 34 specialist tools and engines for drafting deeds and agreements. If you’re weighing an alternative, compare where answers come from, how you check them, where you can use them and how your firm’s data is secured. Here’s how Nylon and five other options compare, and when Cassandra is still the better fit.
Nylon vs Cassandra Research: the short answer
As at 22 October 2026, in Australian dollars. Details and sources below.
Cassandra Research
Nylon
Works in
The Cassandra web app, with ChatGPT, Claude and others inside it
Nylon, plus Claude, ChatGPT and Copilot (Adviser and Elite)
Certifications
Claims SOC 2 control alignment; no audit report or ISO certificate listed
SOC 2 Type I and II audited; ISO 27001 and ISO 42001 certified
Price ex GST
Pro $45 or Elite $99 per seat a month
$39, $99 or $199 per user a month
Jurisdictions
23, including the US, UK, New Zealand, Canada and Asia-Pacific
Australia, New Zealand and the UK
Drafting
34 specialist tools, plus 23 deed and agreement engines
Advice letters, memos and opinions, plus document review
Choose Nylon for cited answers from primary sources, in the AI tools you already use, with audited security. Choose Cassandra if you research well beyond Australia, New Zealand and the UK, or want its deed and agreement drafting.
Each vendor’s own website is the source for its column.
The best Cassandra Research alternatives at a glance
What each product says about itself on its own website, as at 22 October 2026. Prices exclude GST unless stated.
Nylon
Cited AI answers from Australian primary sources, in Nylon or your AI assistant
Yes, on every plan
$39, $99 or $199 per user a month
CCH iKnowConnect
The Australian Master Tax Guide, CCH commentary and 600+ practical tools
Yes
$97.45–$351.50 a month incl. GST, up to 3 users
Thomson Reuters Checkpoint
Editor-written commentary, tax news and compliance toolkits
Not described on its Australian product page
Quote-based
Lexis+ with Protégé
Broad legal research, with CaseBase citation checks
Yes
Quote-based
Elfworks
Advice drafting, workflow agents and CPD logging
Yes
Free plan; $59 or $250 a month
ChatGPT or Claude on their own
Quick drafting where nobody needs to trace the source
Only with web search on
Free and paid plans
Why Australian accountants choose Nylon over Cassandra
Cassandra Research is broad: 23 jurisdictions and dozens of drafting tools. Nylon is built for cited answers from the law itself, wherever you work.
Research inside your AI assistant
Adviser and Elite seats bring Nylon into Claude, ChatGPT and Microsoft Copilot, with every answer cited. Cassandra works the other way round: it offers ChatGPT, Claude and other models inside its own workspace. A connector for your assistant is not described on Cassandra Research’s public pages.
Audited and certified
Nylon is SOC 2 Type I and Type II audited, and ISO 27001 and ISO 42001 certified. Cassandra’s trust centre lists its ATO DSP registration and privacy policy; its Suite page mentions “SOC 2 control alignment”. A SOC 2 report or ISO certification is not described on Cassandra Research’s public pages.
A library you can see
Nylon publishes what it answers from: Commonwealth, state and territory legislation, ATO rulings and guidance, TPB and state revenue office material, and case law. Every citation links to the source. Cassandra names examples, such as ITAA 1997, ATO rulings and Federal Court decisions; the full set of sources its engines search is not described on Cassandra Research’s public pages.
Try it free for 7 days
Start a free 7-day trial when you sign up, then pay monthly from $39 per user (ex GST). A free trial isn’t described on Cassandra Research’s public pages: you sign in to view plans, or book a call.
1. Nylon
Nylon: cited AI answers from Australian primary sources
Nylon answers tax and law questions from Australian legislation, ATO rulings and guidance, and federal and state case law, and links every citation to the source.
Cited answers
Every answer comes with hyperlinked citations to the primary source.
Australian library
Commonwealth, state and territory legislation, ATO rulings and guidance, TPB and state revenue office material, and case law.
Drafting and review
Draft advice letters, research memos and tax opinions, or upload client documents and ask what matters.
In your AI tools
Adviser and Elite seats include Nylon’s AI connector for Claude, ChatGPT and Microsoft Copilot.
Pricing
Starter $39, Adviser $99 and Elite $199 per user per month, ex GST. Billed monthly; cancel anytime. Free 7-day trial. Enterprise pricing on request.
Nylon
When is a private company loan to a shareholder a deemed dividend under Division 7A?
A loan to a shareholder or their associate is treated as an unfranked dividend unless it is repaid, or put on a complying loan agreement, before the company’s lodgment day for the year the loan was made [1][2].
1
Income Tax Assessment Act 1936, s 109D
2
Income Tax Assessment Act 1936, s 109N
Illustrative example
Benchmark · October 2026
4.68 / 5
Nylon’s composite score on 91 CPA Program Australia Taxation questions, each graded blind against an expert reference answer.
Nylon
4.68
Claude Fable 5.1
4.32
GPT-6 Astra
4.28
Compared with five general AI models. Specialist tools, including Cassandra Research, weren’t tested.
Nylon vs Cassandra Research, side by side
As at 22 October 2026. The Cassandra column comes from Cassandra Research’s website.
Where you use it
The Cassandra web app, which offers ChatGPT, Claude, Gemini and other models inside it, with Gmail, Outlook and Xero connections where configured. A connector for AI assistants isn’t described on Cassandra Research’s public pages.
Nylon on the web, and Claude, ChatGPT and Microsoft Copilot through the AI connector (Adviser and Elite).
Contract
Billed monthly; cancel anytime. Renews automatically until you cancel.
Monthly. Cancel anytime.
Price (ex GST)
Pro $45 or Elite $99 per seat a month. Teams and enterprise: “Let’s talk”. First-year discounts of 25–35% for members of The Tax Institute, CPA Australia, IPA and CA ANZ.
$39, $99 or $199 per user a month. Enterprise: quote.
AI answers
Specialist tax and legal engines, with advanced and deep research modes; Elite adds stronger reasoning models. Cassandra describes cited sources and asks you to check each one against the authority.
Fast and research modes on every plan, plus deep research on Adviser and Elite. Every answer links each citation to the primary source.
What answers draw on
Its Australian Tax engine covers “legislation, regulatory guidance and practical questions”, with a searchable ATO legal database. A full source list isn’t described on Cassandra Research’s public pages.
Nylon’s library: Commonwealth, state and territory legislation, ATO rulings and guidance, TPB and state revenue office material, and case law.
Jurisdictions
23: Australia plus 22 overseas, each with a tax and a legal engine, including New Zealand, the UK, the US, Canada and Asia-Pacific. Cross-border matters run as separate country briefs.
Australian, New Zealand and UK tax legislation and guidance in one library.
Expert commentary
An editorial commentary service isn’t described on Cassandra Research’s public pages. Its free website knowledge base summarises selected ATO rulings, provisions and cases.
No editorial commentary. Nylon answers from the primary sources.
Practical tools
34 Australian specialist tools, including Trust Resolution Maker, ATO Objection Request and ATO Private Ruling, plus 23 deed and agreement engines and six financial engines.
No deed or agreement engines. Nylon drafts advice letters and memos, and reviews uploaded documents.
Trial
A free trial isn’t described on Cassandra Research’s public pages. Sign in to view plans, or book a call.
Free 7-day trial when you sign up, or book a demo.
What you gain with Nylon
Nylon inside Claude, ChatGPT and Microsoft Copilot (Adviser and Elite)
SOC 2 Type I and Type II audits, and ISO 27001 and ISO 42001 certification
A published Australian library, with every citation linked to the source
A free 7-day trial, then plans from $39 per user a month (ex GST)
What you give up
Research in 20 more jurisdictions, including the US, Canada and Asia-Pacific
Cassandra’s 34 specialist tools and 23 deed and agreement engines
ChatGPT, Claude, Gemini and other general models in the same workspace
Test Nylon on your own Cassandra questions
Bring three questions you researched in Cassandra Research this month. In the demo, we’ll answer them in Nylon with every source linked.
Other Cassandra Research alternatives
Each summary comes from the product’s own website, as at 22 October 2026.
2
CCH iKnowConnect
Wolters Kluwer’s tax and legal research platform, with the Australian Master Tax Guide, 600+ practical tools and built-in AI: AI-Powered Q&A, an AI Assistant and summaries, with citations.
Best for
Firms whose work runs on CCH commentary, calculators and templates.
Pricing
$97.45, $251.85 or $351.50 a month incl. GST, for up to 3 users, with a 12-month lock-in. 4+ users: quote.
Consider it if
You want editor-written commentary and practical tools alongside AI answers.
3
Thomson Reuters Checkpoint
Thomson Reuters’ tax research platform: expert commentary linked to legislation, rulings and cases, the Weekly Tax Bulletin, and calculators, workpapers and checklists.
Best for
Firms that want editor-written commentary and compliance toolkits from another publisher.
Pricing
Quote-based.
Consider it if
You want human-written commentary more than AI answers. Its Australian product page doesn’t describe AI answers.
4
Lexis+ with Protégé
LexisNexis’s legal AI for research and drafting, renamed from Lexis+ AI in March 2026. It reasons from Australian primary law, commentary and CaseBase citation analysis, and every answer links to its sources.
Best for
Law firms and barristers doing broad legal research.
Pricing
Quote-based; free trial on request.
Consider it if
Your work is mostly legal rather than tax. Its Australian pages are written for legal practices rather than accountants.
5
Elfworks
AI tax research, advice drafting and workflow agents for Australian accountants, with answers cited against legislation, ATO rulings and case law.
Best for
Firms that want advice drafting, trust and FBT workflows and CPD logging in one tool.
Pricing
Free plan; Professional $59 a month; Firm $250 a month for unlimited users (ex GST). 30 days free on paid plans.
Consider it if
You want a flat firm price for a larger team.
6
ChatGPT or Claude on their own
General AI assistants that answer from their training data and, when it’s on, web search. OpenAI’s help centre warns that ChatGPT’s citations can be incomplete, outdated or incorrect.
Best for
Quick drafting and orientation where nobody needs to trace the answer.
Pricing
Free and paid plans.
Consider it if
You add Nylon’s AI connector, so they search Nylon’s library and cite the source.
Which should you choose?
Match the tool to the work you do most.
If you want cited answers from the law itself
Nylon
In Nylon or in Claude, ChatGPT and Copilot, billed monthly.
If you research across many countries
Cassandra Research
23 jurisdictions, plus deed and agreement drafting for Australian matters.
If your work runs on CCH’s guides and tools
CCH iKnowConnect
The Australian Master Tax Guide and 600+ practical tools.
If you want commentary and toolkits
Thomson Reuters Checkpoint
Editor-written commentary, tax news and toolkits.
If your work is mostly legal
Lexis+ with Protégé
Broad Australian legal research with CaseBase.
If you need one price for a big team
Elfworks
Its Firm plan covers unlimited users.
Security your firm can check
Nylon is SOC 2 Type I and Type II audited, and ISO 27001 and ISO 42001 certified.
Independently audited
SOC 2 Type I and Type II reports are available, and Nylon holds ISO 27001 and ISO 42001 certification.
Encrypted
All data that passes through Nylon is encrypted in transit and at rest.
Not used for training
Your questions and Nylon’s answers aren’t shared, and your inputs are never used to train AI models.
Admin controls
Every plan includes advanced organisational controls.
Baqir Hussein, FCCA · Founder & Director, Finex Chartered Certified Accountants
Cassandra Research alternatives: frequently asked questions
Questions about switching? Book a demo or email support@usenylon.com.
What is the best alternative to Cassandra Research?
If you want cited AI answers from Australian primary sources, Nylon: it links every answer to the source, works inside Claude, ChatGPT and Copilot, and is SOC 2 audited and ISO 27001 certified. If your work runs on commentary and practical tools, CCH iKnowConnect or Thomson Reuters Checkpoint. For broad legal research, Lexis+ with Protégé. For one price across a large team, Elfworks.
What does Cassandra Research cover?
As at 22 October 2026, Cassandra Research covers 23 jurisdictions: Australia plus 22 overseas, each with a tax and a legal engine. It adds 34 Australian specialist tools, 23 deed and agreement engines and six financial engines, and offers general models such as ChatGPT and Claude inside its workspace.
How does Cassandra Research pricing compare with Nylon?
As at 22 October 2026, excluding GST: Cassandra Pro costs $45 and Elite $99 per seat a month, and team plans are by discussion. Cassandra also advertises first-year discounts of 25–35% for members of four professional bodies. Nylon costs $39, $99 or $199 per user a month, and the AI connector comes with Adviser and Elite. Both bill monthly, and you can cancel anytime.
Does Nylon cover the US, Asia or Europe?
No. Nylon covers Australian, New Zealand and UK tax legislation and guidance. For research in the US, Canada, Asia-Pacific or Europe, Cassandra Research lists engines for 22 overseas jurisdictions.
Can I use Nylon alongside Cassandra Research?
Yes. Both bill monthly, so you can run them side by side and compare them on your own questions.
Does Nylon have a free trial?
Yes. Start a free 7-day trial when you sign up, or book a demo to see Nylon on your own questions. Plans are monthly and you can cancel anytime. A free trial isn’t described on Cassandra Research’s public pages.
Can I use Nylon in ChatGPT, Claude or Copilot?
Yes, with an Adviser or Elite seat. Nylon’s AI connector lets those assistants search Nylon’s library and cite the source.
Is Nylon secure enough for client work?
Nylon is SOC 2 Type I and Type II audited, and ISO 27001 and ISO 42001 certified. Data is encrypted in transit and at rest, and your inputs are never used to train AI models.
Keep exploring
Nylon for accountants
Research, drafting and review for accounting firms.
Australian tax benchmark
91 questions, six systems, graded blind.
AI connectors
Nylon in Claude, ChatGPT and Copilot.
Plans
Starter, Adviser and Elite, billed monthly.
Information about other products comes from their own websites as at 22 October 2026 and can change. Prices are in Australian dollars. Cassandra Research is a trade mark of Cassandra Research Pty Ltd. Other product names belong to their owners. Nylon isn’t affiliated with or endorsed by any of them. Nylon’s October 2026 benchmark compared general AI models, not the other products on this page. Spotted something out of date? Email support@usenylon.com.