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Spreadsheets · head to head

Budibase vs Semantic Kernel

Budibase logo

Budibase

Spreadsheets

Build business apps in minutes

From
Free
Rated
-
Full reviewWebsite
Semantic Kernel logo

Semantic Kernel

Machine Learning

Model-agnostic SDK for AI orchestration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Budibase cloud plans are metered on automation actions, from 5,000 a month on Pro to 250,000 on Business; Semantic Kernel steep learning curve for advanced features
  • They diverge on capability: Budibase covers Drag-and-drop builder, Semantic Kernel covers Multi-model support.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Budibase and Semantic Kernel actually diverge.

Attributes where Budibase and Semantic Kernel differ
AttributeBudibaseSemantic Kernel
Pricing modelopen-sourceOpen source, no pricing
PlatformsWeb, Self-hostedPython, .NET, Java
CategorySpreadsheetsMachine Learning
Founded2019Unknown

Identical on both: starting price (Free), free tier (Yes), 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 Budibase

  • Drag-and-drop builder
  • Database design
  • REST API
  • User management
  • Custom code
  • Workflows
  • Responsive design
  • 100+ integrations

Only in Semantic Kernel

  • Multi-model support
  • Agent framework
  • Multi-agent systems
  • Plugin ecosystem
  • Vector database integration
  • Multimodal support
  • Local model support
  • Enterprise observability

What people use each for

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

Budibase

  • Building internal tools over existing databasesnot Semantic Kernel
  • Self-hosting an open source low-code platformnot Semantic Kernel
  • Admin panels and CRUD apps for operations teamsnot Semantic Kernel
  • Automations triggered by data changesnot Semantic Kernel

Semantic Kernel

  • Building enterprise AI applications with LLM integrationnot Budibase
  • Creating multi-agent systems for complex workflowsnot Budibase
  • Developing AI-powered chatbots and assistantsnot Budibase
  • Implementing RAG systems with vector databasesnot Budibase

Where each one falls short

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

Budibase

  • Cloud plans are metered on automation actions, from 5,000 a month on Pro to 250,000 on Business
  • Creator seats are limited and cost $50 each beyond the included count
  • End users are $5 per user per month on top of the plan
  • Custom branding needs Premium, SSO enforcement and environment variables need Business, and audit logs are Enterprise only
  • Log retention is tiered from 1 day on Pro to 365 days on Enterprise
  • Monthly billing costs 20 percent more than annual

Semantic Kernel

  • Steep learning curve for advanced features
  • Documentation focuses on Azure cloud services
  • Configuration complexity for multi-model scenarios
  • Requires understanding of AI/LLM concepts

Pricing, plan by plan

Budibase

Free
  • Open SourceFree
    • Self-hosted
    • Community support
  • FreeFree
    • Cloud hosted
    • Limited features
  • Premium$50/month
    • Advanced features
    • Email support

Semantic Kernel

Free
  • Open SourceFree
    • MIT license
    • Full framework access
    • All language SDKs

Which should you pick?

Choose Budibase if

  • You need drag-and-drop builder.
  • You want to start without paying.
  • You work on Web, Self-hosted.
  • You also want database design.
Budibase review

Choose Semantic Kernel if

  • You need multi-model support.
  • You want to start without paying.
  • You work on Python, .NET, Java.
  • You also want agent framework.
Semantic Kernel review

Questions people ask

Is Budibase or Semantic Kernel better?
Neither clearly leads. Budibase starts at Free and Semantic Kernel at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Budibase or Semantic Kernel?
Budibase starts at Free and Semantic Kernel at Free.
Does Budibase or Semantic Kernel run on more platforms?
Budibase runs on Web, Self-hosted. Semantic Kernel runs on Python, .NET, Java.
Can I use Budibase for free?
Both have a free tier, so you can try either at no cost before committing.
What is Budibase best used for?
Budibase is most often used for building internal tools over existing databases, self-hosting an open source low-code platform, admin panels and crud apps for operations teams, automations triggered by data changes. Of those, building internal tools over existing databases and self-hosting an open source low-code platform are not what Semantic Kernel is typically brought in for.
What can Budibase do that Semantic Kernel cannot?
Budibase covers Drag-and-drop builder, Database design, REST API, User management. Semantic Kernel covers Multi-model support, Agent framework, Multi-agent systems, Plugin ecosystem.

Answered from the vendors’ own pages

Budibase: What happens if I exceed the monthly action limit on my plan?

Actions are hard monthly limits. Once you reach the limit on your plan (5K for Pro, 20K for Premium, 250K for Business), you must upgrade to a higher tier to continue using the service.

Source
Semantic Kernel: What LLM providers does Semantic Kernel support?

Semantic Kernel supports OpenAI, Azure OpenAI, Hugging Face, Nvidia, and other providers through extensible model implementations.

Source
Budibase: Is there a charge for additional users beyond what is included in my plan?

Yes. Each plan includes a limited number of creators (1 for Pro, expandable for Premium, 3 for Business), but end users are charged at $5 per user per month as an add-on.

Source
Semantic Kernel: Can I run Semantic Kernel locally?

Yes. Semantic Kernel supports local models through Ollama, LMStudio, and ONNX for complete data control and offline operation.

Source
Budibase: How much extra do I pay if I choose monthly billing instead of yearly?

Monthly billing costs 20% more than the yearly equivalent. For example, paying monthly for Pro at $19/month equals $228 per year, versus $190 per year on a yearly subscription.

Source
Semantic Kernel: Is Semantic Kernel free?

Yes. Semantic Kernel is MIT-licensed open source and completely free. You only pay for external LLM APIs you use.

Source
Budibase: Can I try Budibase before committing to a paid plan?

Yes. All paid cloud plans include a 14-day free trial. The open source version is also available free with unlimited actions and unlimited users, though with community support only.

Source
Budibase: Does the free open source plan include the same features as paid plans?

The open source plan includes unlimited actions, unlimited apps, automations, agents, and users, but support is community-only rather than through Budibase directly. Paid plans add features like AI credits, custom branding, backups, and email or priority support.

Source
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