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Head to head · 2026

LLMStack vs Zylon

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

LLMStack

Open-source no-code platform for building AI agents and chatbots on your own data

3.9Free

Visit LLMStack (opens LLMStack in a new tab)

Zylon

Private AI infrastructure deployed on-premise, air-gapped or in your own cloud VPC

4.1Not listed

Visit Zylon (opens Zylon in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: LLMStack does not list a price

  • Free plan

    LLMStack

    Only LLMStack has one

  • Higher rating

    Zylon

    3.9 against 4.1

  • Same job?

    Yes

    Both are AI Infrastructure & Agent Tooling tools

Side by side

Compared onLLMStackZylon
Our rating3.94.1Better
Starts atFreeNot listed
Free planYesBetterNo
CategoryAI Infrastructure & Agent ToolingAI Infrastructure & Agent Tooling
PlansFreeSee pricing
Key features
  • No-code builder for agents and chatbots
  • Connects to your own data
  • Several model providers rather than one
  • Open source on GitHub
  • Self-hostable
  • Deployment on-premise, air-gapped or inside a customer-controlled cloud VPC
  • Full data control with no dependency on external model providers
  • Governance, access control and compliance tooling included
  • Complete platform covering deployment through to end-user applications
  • Built by the team behind the PrivateGPT open-source project
Pros
  • Open source, so it can be self-hosted and inspected
  • No vendor lock-in on workflows or data
  • Works across multiple model providers
  • Architectural rather than contractual data control
  • Air-gapped support suits defence, government and healthcare
  • Credible open-source lineage in private AI
Cons
  • Self-hosting means you operate and maintain it
  • No published pricing page, the URL 404s
  • Smaller ecosystem than commercial platforms
  • Self-hosting shifts infrastructure and maintenance cost onto the customer
  • Enterprise pricing requires a sales conversation
CompanyLLMStackPriBAI Technology Spain S.L., founded 2023

Prices come from each vendor's pricing page, last checked 20260813. Check the vendor before you buy.

FAQ

Questions people ask

Is LLMStack better than Zylon?

In our reviews LLMStack scores 3.9 and Zylon scores 4.1. The better pick depends on the job. LLMStack: Open-source no-code platform for building AI agents and chatbots on your own data. Zylon: Private AI infrastructure deployed on-premise, air-gapped or in your own cloud VPC.

Which is cheaper, LLMStack or Zylon?

LLMStack: free. Zylon: see pricing.

Do LLMStack and Zylon have free plans?

Only LLMStack has a free plan.

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