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Cybersecurity · head to head

Silent Eight vs StackBlitz

Silent Eight logo

Silent Eight

Cybersecurity

AI adjudication of sanctions screening and AML alerts

From
On request
Free plan
No
Full reviewWebsite
StackBlitz logo

StackBlitz

Developer Tools

Browser-based IDE and AI app builder running full Node.js stacks via WebContainers

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only StackBlitz has a free tier, so it costs nothing to try first.
  • Each has a real cost: Silent Eight automated disposition has to clear model risk governance and a regulator, and the shadow running period before auto-close is permitted can consume most of the first year of the contract.; StackBlitz specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • They diverge on capability: Silent Eight covers Alert adjudication, StackBlitz covers WebContainers.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Silent Eight and StackBlitz actually diverge.

Attributes where Silent Eight and StackBlitz differ
AttributeSilent EightStackBlitz
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, Linuxweb
CategoryCybersecurityDeveloper Tools

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Silent Eight

  • Alert adjudication
  • Narrative generation
  • Name screening automation
  • Quality assurance
  • Shadow mode
  • Model transparency reporting

Only in StackBlitz

  • WebContainers
  • Bolt.new AI app builder
  • Instant boot times
  • GitHub project import
  • Team collaboration
  • Offline functionality

What people use each for

The jobs each tool is most often brought in to do.

Silent Eight

  • A bank whose level one screening team spends most of its time closing obvious false name matchesnot StackBlitz
  • A payments institution with alert volumes growing faster than it can recruit and train analystsnot StackBlitz
  • A compliance function asked by a regulator to demonstrate consistency of alert decisions across offshore teamsnot StackBlitz
  • An institution that has just tightened screening thresholds after an enforcement action and cannot staff the resulting alert increasenot StackBlitz

StackBlitz

  • Editing a GitHub repository instantly in the browser without cloning itnot Silent Eight
  • Generating a working web app from a text prompt with Bolt.newnot Silent Eight
  • Sharing private projects across a team without individual GitHub seats for viewersnot Silent Eight
  • Running lightweight Node.js projects with no local setupnot Silent Eight

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Silent Eight

  • Automated disposition has to clear model risk governance and a regulator, and the shadow running period before auto-close is permitted can consume most of the first year of the contract.
  • It does not improve detection, so an institution with a poorly tuned monitoring system automates the handling of bad alerts rather than fixing why they exist.
  • Pricing is tied to alert volume, which means efficiency gains elsewhere that reduce alerts also reduce the vendor bill in a way sales teams structure minimums against.
  • The headcount saving is only realised if the institution actually reduces the analyst pool, and many banks redeploy rather than cut, leaving the business case unrealised on paper.
  • As a mid-sized private vendor serving tier one banks, concentration risk cuts both ways; the loss of one large client materially affects the company, and buyers should ask about financial stability during diligence.

StackBlitz

  • Specific Teams and Enterprise pricing figures are not published; visitors must request a quote or infer from the pricing calculator.
  • Browser-based execution via WebContainers has limits on which native/binary dependencies can run compared to a real server-backed environment.
  • Heavy or resource-intensive workloads may be constrained by the end user's own browser and machine resources.

Pricing, plan by plan

Silent Eight

On request
  • Iris$undefined/year
    • Priced by alert volume adjudicated
    • Deploys against existing screening and monitoring systems
    • Shadow mode evaluation period

StackBlitz

Free
  • PersonalFree
    • Unlimited public projects, collections, and GitHub repositories
    • View and edit without a GitHub account
  • Teams$undefined/mo
    • Private collections and repositories for paid members
    • Free and paid member roles
    • Automatic permission mirroring for org-owned repositories

Which should you pick?

Choose Silent Eight if

  • You need alert adjudication.
  • You work on Web, Linux.
  • You also want narrative generation.
Silent Eight review

Choose StackBlitz if

  • You need webcontainers.
  • You want to start without paying.
  • You work on web.
  • You also want bolt.new ai app builder.
StackBlitz review

Questions people ask

Is Silent Eight or StackBlitz better?
Neither clearly leads. Silent Eight starts at On request and StackBlitz at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Silent Eight or StackBlitz?
StackBlitz has a free tier; the other does not. Paid plans start at On request for Silent Eight and Free for StackBlitz.
Does Silent Eight or StackBlitz run on more platforms?
Silent Eight runs on Web, Linux. StackBlitz runs on web.
Can I use StackBlitz for free?
Yes. StackBlitz has a free tier, so you can try it without paying. Silent Eight starts at On request.
What is Silent Eight best used for?
Silent Eight is most often used for a bank whose level one screening team spends most of its time closing obvious false name matches, a payments institution with alert volumes growing faster than it can recruit and train analysts, a compliance function asked by a regulator to demonstrate consistency of alert decisions across offshore teams, an institution that has just tightened screening thresholds after an enforcement action and cannot staff the resulting alert increase. Of those, a bank whose level one screening team spends most of its time closing obvious false name matches and a payments institution with alert volumes growing faster than it can recruit and train analysts are not what StackBlitz is typically brought in for.
What can Silent Eight do that StackBlitz cannot?
Silent Eight covers Alert adjudication, Narrative generation, Name screening automation, Quality assurance. StackBlitz covers WebContainers, Bolt.new AI app builder, Instant boot times, GitHub project import.

Answered from the vendors’ own pages

Silent Eight: Does Silent Eight replace our screening system?

No. It consumes alerts from your existing screening and monitoring systems and decides them. The detection layer stays where it is.

StackBlitz: Is there a free plan, and what are its limits?

Yes, the free Personal plan includes unlimited public StackBlitz projects, collections, and GitHub repositories, and lets anyone view and edit projects without needing a GitHub account.

Source
Silent Eight: Will a regulator accept AI closing alerts?

It depends on your jurisdiction and your model governance evidence. Banks typically run extended shadow mode first and phase auto-closure by alert type.

StackBlitz: What does the Teams plan add?

Teams lets GitHub organizations add free or paid members; paid members get access to private collections and repositories, with permissions mirrored from GitHub-owned repos.

Source
Silent Eight: Where is the company based?

Singapore, with offices in New York, London and Warsaw.

StackBlitz: Is there an Enterprise option?

Yes, custom Enterprise plans are available and require contacting StackBlitz directly.

Source
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