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Cassandra Tax & Legal AI vs ONESOURCE Certificate Manager

Both stand on tax research software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Cassandra Tax & Legal AI

Paid Web

Cassandra brings Australian tax and legal research, document analysis and drafting together in a web platform. Its outputs are preliminary and must be independently reviewed, verified and approved by a suitably qualified professional before use.

Visit Cassandra Tax & Legal AI

ONESOURCE Certificate Manager

Paid APISelf-hostedWeb+1

Choose ONESOURCE Certificate Manager if your team needs to collect, validate, track, and document sales tax exemption certificates, particularly alongside ONESOURCE Determination. Consider the deployment requirement and request pricing before deciding whether it fits your environment and budget.

Visit ONESOURCE Certificate Manager

The facts

Cassandra Tax & Legal AIONESOURCE Certificate Manager
Free planNoNo
Open sourceNot publishedNot published
Runs onWebAPI, Self-hosted, Web, Windows
Lowest paid planCassandra Pro: $45 a monthFree or on request
Plans published31
MakerNot publishedONESOURCE Certificate Manager
Websitecassandra-research.comtax.thomsonreuters.com
On tax research software#19 of 33#17 of 33

Cassandra Tax & Legal AI: what it does well

  • Citations accompany every tax research answer.
  • Analyzes unlimited PDF and DOCX documents.
  • Exports client memos to PDF or Word.
  • Includes legal research across four Australian law areas.
  • Content is updated for guidance and legislative changes.

What to know first

  • No free plan is listed.
  • Access is restricted to approved professionals.
  • Outputs require independent qualified review and approval.
  • Cassandra Pro is $45 a month billed + GST · AUD.

ONESOURCE Certificate Manager: what it does well

  • Checks certificates against state-specific rules.
  • Tracks certificate expiration dates.
  • Lets customers upload certificates through a self-service portal.
  • Produces customizable audit-ready reports.
  • Connects documentation with ONESOURCE Determination tax calculation.

What to know first

  • Pricing is available on request.
  • There is no free plan.
  • Installation requires Determination 5.6.2.4 or higher.

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