Skip to main content

NXTG.ai builds products that check AI's work before you rely on it.

Faultline checks the claims and citations in AI output against real sources, across multiple AI providers. Faultline is in alpha.

Check an AI draft freeFaultline Enterprise
FaultlineScan reportfaultline.nxtg.ai

1 of 4 checked claims contradicted

4 of 5 extracted claims checked, 1 not checked.

Risk
High
  • Supported1
  • Contradicted1
  • Mixed1
  • Unverified1
  1. Supported

    The Harbor Line ferry opened in 1998.

  2. Contradicted

    It departs every 20 minutes, all day.

    timetable.example.orgDepartures every 30 minutes from 06:00 to 22:00.

  3. Mixed

    It is the fastest crossing in the bay.

  4. Unverified

    Most commuters in the region use it.

Illustration of the layout, not a real scan

What NXTG.ai builds

Checks what an AI told you

Alpha

Paste an AI draft and Faultline checks its claims and citations against real sources.

Free

Free

  • 5 scans/month
  • JSON and SARIF export
  • No card

Personal

$19/mo

  • 100 scans/month

Pro

$49/mo

  • 500 scans/month
  • API access
  • Batch scan
  • Team workspaces

Enterprise

Custom

  • Scan allowance set in your contract
  • Multi-model consensus verification
  • Audit trails
  • Dedicated support
Book a 20-minute call

Alpha: limits and features may change; no SLA.

Check an AI draft freePricing

Faultline Enterprise

Faultline Enterprise is the full platform: a REST API with key management and multi-tenant usage, an MCP server and a Python client, deployed with your rollout, a Terraform provider and a GitHub Action, multi-model consensus verification, a tamper-evident audit log, a risk register and human sign-off, and dedicated support.

The 4-week rollout
  • REST API with key management and multi-tenant usage
  • MCP server and a Python client, deployed with your rollout
  • Terraform provider
  • GitHub Action
  • Multi-model consensus verification
  • Tamper-evident audit log
  • Risk register and human sign-off
  • Dedicated support

For developers: the open-source CLI, npm @nxtg/faultline (Apache-2.0, alpha), and the GitHub Action nxtg-ai/faultline-action@v1

npm install -g @nxtg/faultline

Dx3: the memory and governance layer we run our own agent fleet on. In use internally; not yet available.

Faultline Enterprise Rollout

Faultline Enterprise Rollout: in 4 weeks we deploy Faultline Enterprise in your stack, wire it into your AI and agent pipelines, set the checks with your team, and hand over a running system with an audit trail.

Includes the Faultline Enterprise subscription. Pricing on request.

We use these details only to reply to you. Privacy Policy

or email [email protected]

What the rollout covers

  1. 1

    Deploy Faultline Enterprise in your stack

  2. 2

    Wire it into your AI and agent pipelines

  3. 3

    Set the checks with your team

  4. 4

    Hand over a running system with an audit trail

Shipped in public.

Asif Waliuddin, founder of NXTG.ai, 23+ years leading global digital transformation programs. About

  1. 1

    The Faultline CLI, on npm

    @nxtg/faultline, Apache-2.0. Alpha.

    npm
  2. 2

    A pre-registered public calibration test of Jev

    Published October 1, 2026, and cited by Concretio.

    The testPre-registrationConcretio's citation
  3. 3

    The Honor System

    The AI Unveiled series.

    The series
  4. 4

    The articles

    Published research and analysis.

    Insights

Where do your agents run?

Which pipeline, which agents, what has to be checked before it ships. A paragraph is enough to start.

[email protected]

Want to see it first? Run a free Faultline scan.