Pay per document

See the cost before you run it. No subscription, no expiring credits.

Pay as you go

about €1.90 per document

€1.90 / document, typical 5-page doc

Assay shows you the exact estimate before the run starts, and you approve it. No subscription, no expiring credits.

  • Support Markdown, Plain text, PDF is coming soon
  • Per-claim deep verification run
  • Claim-by-claim verdicts and citations
  • Export analysis as HTML reports
  • Direct email support, usually within a day
  • Your documents are never used for training and can be deleted anytime

Teams

Coming when it's ready

Soon

Monthly plans, shared document libraries, and API access are in development. Everything in Pay-as-you-go, plus:

  • Monthly plans for recurring analysis
  • Shared Libraries across a team
  • Team's research and analysis memory
  • Seats per user, with role-based access control
  • API and MCP access
Leave your email

We'll tell you when it exists — not before.

Pricing FAQ

One uploaded document, including claim extraction, per-claim verification, and the exported one-pager and full assessment document. Longer documents show a higher estimate before the run. Nothing is charged without your approval.
Yes, if you're comfortable doing so. Access to your document is restricted to you. Your documents are processed within our own isolated AWS infrastructure, and access to the production environment is restricted to the service owner. We do not use your documents to train AI models. That said, no online service can promise zero risk. If your organisation has strict security or compliance requirements (for example, policies that prohibit uploading confidential information to third-party services), you should follow those policies before using the service. If you have specific security or compliance questions, feel free to get in touch.
The service uses Anthropic models. Your content is not used to train models.
Deep research tools answer a question you pose. Assay interrogates a document someone else wrote: it inventories the author's claims and checks each one independently. It's the difference between "tell me about X" and "is this document about X telling the truth."
It can be. That's why every verdict links every source it used. Treat the output as a fast, thorough research assistant whose work you can audit in minutes, not an oracle. If the output is garbage, contact us and we'll refund your run.
The full example analysis of Amazon Prime Video above is public — that's real output, not a mockup.

The document is 40 pages.
The claims that matter fit on one.

Run the whitepaper through Assay before your next decision meeting.

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Paste the document your decision depends on. Assay checks every claim it makes against public sources — verdicts and citations in minutes.

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