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Energy · head to head

Johnson Controls Metasys vs Vellum

Johnson Controls Metasys logo

Johnson Controls Metasys

Energy

Building management and control system platform

From
On request
Rated
-
Full reviewWebsite
Vellum logo

Vellum

AI

Personalized AI assistant with persistent memory and autonomous action-taking

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Vellum has a free tier, so it costs nothing to try first.
  • Each has a real cost: Johnson Controls Metasys a Metasys server supports 1,300 devices and 65,000 objects, so larger estates require additional servers; Vellum pricing varies significantly by computational tier, making budget planning difficult
  • They diverge on capability: Johnson Controls Metasys covers HVAC control, Vellum covers Persistent AI identity.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Johnson Controls Metasys and Vellum actually diverge.

Attributes where Johnson Controls Metasys and Vellum differ
AttributeJohnson Controls MetasysVellum
Starting priceOn requestFree
Pricing modelquoteFreemium with paid plans and pay-as-you-go credits
Free tierNoYes
PlatformsWeb, MobileWeb, macOS, iOS, Slack, Telegram, Terminal
CategoryEnergyAI
Founded1885Unknown

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 Johnson Controls Metasys

  • HVAC control
  • Building automation
  • Energy management
  • Security integration
  • Analytics dashboard
  • SOC2
  • SSL encryption
  • On-premise deployment

Only in Vellum

  • Persistent AI identity
  • Long-term memory
  • Email automation
  • Calendar management
  • Autonomous task execution
  • Multi-device synchronization
  • Custom plugins
  • Open-source deployment

What people use each for

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

Johnson Controls Metasys

  • Building automation for offices, data centres, hospitals and universitiesnot Vellum
  • Managing multi site campuses from one building management systemnot Vellum
  • Meeting compliance and reporting requirements for regulated facilitiesnot Vellum

Vellum

  • Personal productivity automation across email and calendarnot Johnson Controls Metasys
  • CRM updates and pipeline managementnot Johnson Controls Metasys
  • Expense report generation and managementnot Johnson Controls Metasys
  • Document drafting and content creationnot Johnson Controls Metasys
  • Meeting scheduling and calendar coordinationnot Johnson Controls Metasys

Where each one falls short

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

Johnson Controls Metasys

  • A Metasys server supports 1,300 devices and 65,000 objects, so larger estates require additional servers
  • No hardware requirement, licensing model, subscription term or price is published on the product page; the routes offered are a demo booking and a contact form

Vellum

  • Pricing varies significantly by computational tier, making budget planning difficult
  • Requires explicit permission for sensitive actions, limiting autonomy
  • Self-hosting option may intimidate non-technical users
  • Learning curve to develop customizations with plugins

Pricing, plan by plan

Johnson Controls Metasys

On request

No published plan breakdown. See the Johnson Controls Metasys review.

Vellum

Free
  • FreeFree
    • Starter credits included
    • Basic features
  • Mighty$30/month
    • 1 vCPU, 2 GiB RAM
    • 10 GB storage
    • Included usage allowance
  • Super$100/month
    • 2.5 vCPU, 5 GiB RAM
    • 30 GB storage
    • Assistant email and subdomain
  • Ultra$200/month
    • 4 vCPU, 8 GiB RAM
    • 60 GB storage
    • Assistant email and subdomain

Which should you pick?

Choose Johnson Controls Metasys if

  • You need hvac control.
  • You work on Web, Mobile.
  • You also want building automation.
Johnson Controls Metasys review

Choose Vellum if

  • You need persistent ai identity.
  • You want to start without paying.
  • You work on Web, macOS, iOS, Slack, Telegram, Terminal.
  • You also want long-term memory.
Vellum review

Questions people ask

Is Johnson Controls Metasys or Vellum better?
Neither clearly leads. Johnson Controls Metasys starts at On request and Vellum at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Johnson Controls Metasys or Vellum?
Vellum has a free tier; the other does not. Paid plans start at On request for Johnson Controls Metasys and Free for Vellum.
Does Johnson Controls Metasys or Vellum run on more platforms?
Johnson Controls Metasys runs on Web, Mobile. Vellum runs on Web, macOS, iOS, Slack, Telegram, Terminal.
Can I use Vellum for free?
Yes. Vellum has a free tier, so you can try it without paying. Johnson Controls Metasys starts at On request.
What is Johnson Controls Metasys best used for?
Johnson Controls Metasys is most often used for building automation for offices, data centres, hospitals and universities, managing multi site campuses from one building management system, meeting compliance and reporting requirements for regulated facilities. Of those, building automation for offices, data centres, hospitals and universities and managing multi site campuses from one building management system are not what Vellum is typically brought in for.
What can Johnson Controls Metasys do that Vellum cannot?
Johnson Controls Metasys covers HVAC control, Building automation, Energy management, Security integration. Vellum covers Persistent AI identity, Long-term memory, Email automation, Calendar management.

Answered from the vendors’ own pages

Johnson Controls Metasys: How much does Johnson Controls Metasys cost?

Johnson Controls Metasys pricing is not published online. Contact Johnson Controls directly for enterprise building automation system pricing and licensing.

Source
Vellum: How does Vellum protect my data privacy?

Vellum uses permission-based controls requiring explicit approval for sensitive actions. Data is encrypted and the option for self-hosting provides complete data control. Open-source deployment option allows hosting on your own infrastructure.

Source
Johnson Controls Metasys: What licensing models does Metasys offer?

Specific Metasys licensing models and pricing are available through Johnson Controls sales team. Contact Johnson Controls for custom quotes based on building management requirements.

Source
Vellum: Can I use Vellum for business team collaboration?

Vellum is primarily designed as a personal assistant with persistent identity. For team collaboration, platforms like Lindy offer better multi-user features with shared credit pools and Slack workspace integration.

Source
Vellum: What does the free tier include?

Vellum offers free starter credits to begin using the platform. Beyond that, it operates on a pay-as-you-go credit model with paid tiers starting at $30/month for increased computational resources and bundled credits.

Source
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