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Software · head to head

Acunetix vs Stable Diffusion

Acunetix logo

Acunetix

Software

Web application security testing made easy

From
On request
Rated
-
Stable Diffusion logo

Stable Diffusion

Software

Open-source AI image generation

From
Free
Rated
-

The short version

  • Only Stable Diffusion has a free tier, so it costs nothing to try first.
  • Each has a real cost: Acunetix aWS Marketplace lists Acunetix Online Premium, published by seller Invicti Security, at $7,000 per year for 5 targets under a 12 month contract, where a target is one fully qualified domain, website, web app, API or web service; Stable Diffusion generated images have lower resolution and quality at non-standard dimensions
  • They diverge on capability: Acunetix covers DAST scanning, Stable Diffusion covers Text-to-image.

Where they differ

Only the attributes on which Acunetix and Stable Diffusion actually diverge.

Attributes where Acunetix and Stable Diffusion differ
AttributeAcunetixStable Diffusion
Starting priceOn requestFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsDesktop, Web, ApiWeb, Local (GPU-based), Cloud APIs
Founded20052019

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

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 Acunetix

  • DAST scanning
  • IAST technology
  • AcuSensor
  • JavaScript security
  • SQL injection testing
  • XSS detection
  • OWASP Top 10
  • API security testing

Only in Stable Diffusion

  • Text-to-image
  • Image-to-image
  • Inpainting
  • LoRA support
  • ComfyUI
  • Automatic1111
  • Multiple UIs
  • Local support

What people use each for

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

Acunetix

  • Vulnerability Scannernot Stable Diffusion
  • Web Securitynot Stable Diffusion
  • Dastnot Stable Diffusion

Stable Diffusion

  • ai tools managementnot Acunetix
  • Workflow automationnot Acunetix
  • Reportingnot Acunetix

Where each one falls short

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

Acunetix

  • AWS Marketplace lists Acunetix Online Premium, published by seller Invicti Security, at $7,000 per year for 5 targets under a 12 month contract, where a target is one fully qualified domain, website, web app, API or web service
  • AWS Marketplace's Invicti listing shows Premium Support priced separately at $150,000 per year and Premium Support with Guided Success at $300,000 per year, on top of the base scanning licence

Stable Diffusion

  • Generated images have lower resolution and quality at non-standard dimensions
  • Struggles with complex multi-object prompts and text generation
  • Poor rendering of human hands, limbs, and faces due to training data limitations
  • Trained primarily on English-language descriptions, reinforcing Western cultural bias
  • Requires significant GPU computational resources for local deployment

Pricing, plan by plan

Acunetix

On request
  • StandardFree
    • Single user
    • 5 targets
    • Scheduled scans
  • PremiumFree
    • Multiple users
    • Unlimited targets
    • CI/CD integration
  • Acunetix 360Free
    • Enterprise features
    • SDLC integration
    • Custom workflows

Stable Diffusion

Free

No published plan breakdown. See the Stable Diffusion review.

Which should you pick?

Choose Acunetix if

  • You need dast scanning.
  • You work on Desktop, Web, Api.
  • You also want iast technology.

Choose Stable Diffusion if

  • You need text-to-image.
  • You want to start without paying.
  • You work on Web, Local (GPU-based), Cloud APIs.
  • You also want image-to-image.

Questions people ask

Is Acunetix or Stable Diffusion better?
Neither clearly leads. Acunetix starts at On request and Stable Diffusion at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Acunetix or Stable Diffusion?
Stable Diffusion has a free tier; the other does not. Paid plans start at On request for Acunetix and Free for Stable Diffusion.
Does Acunetix or Stable Diffusion run on more platforms?
Acunetix runs on Desktop, Web, Api. Stable Diffusion runs on Web, Local (GPU-based), Cloud APIs.
Can I use Stable Diffusion for free?
Yes. Stable Diffusion has a free tier, so you can try it without paying. Acunetix starts at On request.
What is Acunetix best used for?
Acunetix is most often used for vulnerability scanner, web security, dast. Of those, vulnerability scanner and web security are not what Stable Diffusion is typically brought in for.
What can Acunetix do that Stable Diffusion cannot?
Acunetix covers DAST scanning, IAST technology, AcuSensor, JavaScript security. Stable Diffusion covers Text-to-image, Image-to-image, Inpainting, LoRA support.

Answered from the vendors’ own pages

Stable Diffusion: Is Stable Diffusion truly free and open-source?

Yes. Stable Diffusion is released under the CreativeML Open RAIL-M license, allowing free use for both commercial and non-commercial purposes, and the code is open-source on GitHub.

Source
Stable Diffusion: Can I use Stable Diffusion commercially for free?

Yes, if your organization has less than $1M annual revenue. Organizations exceeding $1M annually must obtain an Enterprise License from Stability AI.

Source
Stable Diffusion: What are Stable Diffusion's image resolution limitations?

The base model was trained on 512x512 pixel images, and image quality degrades noticeably when deviating from this resolution. Newer models like SDXL support higher resolutions.

Source
Stable Diffusion: Can I run Stable Diffusion locally on my computer?

Yes. Stable Diffusion is open-source and can run locally on compatible hardware, though it requires a GPU for reasonable performance.

Source

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