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Arize AI vs Contabo

Arize AI logo

Arize AI

AI

AI engineering platform for observability and evaluation of agents and LLM apps

From
Free
Free plan
Yes
Full reviewWebsite
Contabo logo

Contabo

Cloud

Affordable high-performance VPS hosting

From
€4.5/month
Free plan
No
Full reviewWebsite

The short version

  • Only Arize AI has a free tier, so it costs nothing to try first.
  • Each has a real cost: Arize AI the free plan caps trace spans at 25,000 per month with only 15 days of retention.; Contabo fully unmanaged infrastructure requires all setup and maintenance by customer
  • They diverge on capability: Arize AI covers End-to-end tracing, Contabo covers VPS Hosting.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Arize AI and Contabo actually diverge.

Attributes where Arize AI and Contabo differ
AttributeArize AIContabo
Starting priceFree€4.5/month
Pricing modelfreemiumUnknown
Free tierYesNo
Platformsweb, apiLinux, Windows
CategoryAICloud
FoundedUnknown2003

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 Arize AI

  • End-to-end tracing
  • Evaluation framework
  • Prompt testing and improvement
  • Alyx AI engineering agent
  • Custom dashboards
  • Data warehouse integrations

Only in Contabo

  • VPS Hosting
  • Dedicated Servers
  • Object Storage
  • Snapshots
  • DDoS Protection
  • Custom ISO
  • Multiple Locations
  • SSD Storage

What people use each for

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

Arize AI

  • Tracing and debugging production AI agentsnot Contabo
  • Running large-scale evaluations across traces and sessionsnot Contabo
  • Improving prompts before production rolloutnot Contabo
  • Storing and querying GenAI traces alongside a data warehousenot Contabo

Contabo

  • Web hostingnot Arize AI
  • Game serversnot Arize AI
  • Development environmentsnot Arize AI
  • VPN serversnot Arize AI

Where each one falls short

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

Arize AI

  • The free plan caps trace spans at 25,000 per month with only 15 days of retention.
  • Self-hosted deployment and Data Fabric integration are restricted to the custom-priced Enterprise tier.
  • Pricing beyond the $50/month Pro plan requires a custom quote, making cost planning less transparent at scale.
  • Advanced compliance features like HIPAA are only available on Enterprise.

Contabo

  • Fully unmanaged infrastructure requires all setup and maintenance by customer
  • No formal SLA with financial compensation for downtime violations

Pricing, plan by plan

Arize AI

Free
  • AX FreeFree
    • 25k trace spans/month
    • 1 GB storage/month
    • 15-day retention
  • AX Pro$50/month
    • 50k trace spans/month
    • 10 GB storage/month
    • 30-day retention
  • AX Enterprise$undefined/mo
    • Custom trace spans, storage, and retention
    • SaaS or self-hosted deployment
    • Managed agents and Data Fabric

Contabo

€4.5/month
  • Cloud VPS$4.5/month
    • 4 vCPU
    • 8 GB RAM
    • 100 GB SSD
  • Cloud VDS$39/month
    • Dedicated cores
    • 24 GB RAM
    • 180 GB NVMe
  • Dedicated Server$149/month
    • AMD CPU
    • 64 GB RAM
    • 1 TB NVMe

Which should you pick?

Choose Arize AI if

  • You need end-to-end tracing.
  • You want to start without paying.
  • You work on web, api.
  • You also want evaluation framework.
Arize AI review

Choose Contabo if

  • You need vps hosting.
  • You work on Linux, Windows.
  • You also want dedicated servers.
Contabo review

Questions people ask

Is Arize AI or Contabo better?
Neither clearly leads. Arize AI starts at Free and Contabo at €4.5/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arize AI or Contabo?
Arize AI has a free tier; the other does not. Paid plans start at Free for Arize AI and €4.5/month for Contabo.
Does Arize AI or Contabo run on more platforms?
Arize AI runs on web, api. Contabo runs on Linux, Windows.
Can I use Arize AI for free?
Yes. Arize AI has a free tier, so you can try it without paying. Contabo starts at €4.5/month.
What is Arize AI best used for?
Arize AI is most often used for tracing and debugging production ai agents, running large-scale evaluations across traces and sessions, improving prompts before production rollout, storing and querying genai traces alongside a data warehouse. Of those, tracing and debugging production ai agents and running large-scale evaluations across traces and sessions are not what Contabo is typically brought in for.
What can Arize AI do that Contabo cannot?
Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Contabo covers VPS Hosting, Dedicated Servers, Object Storage, Snapshots.

Answered from the vendors’ own pages

Arize AI: What does Arize AX cost?

Arize AX offers a free plan, a Pro plan at $50/month, and a custom-priced Enterprise plan, with pricing based on trace spans, storage, and retention needs.

Source
Contabo: What is the base pricing for Contabo VPS?

Contabo Cloud VPS starts at EUR 4.50 per month (approximately $4.95 USD) with 4 vCPU cores and 8 GB RAM. Prices scale up to EUR 39+ per month for dedicated performance VPS with higher specs.

Source
Arize AI: Is there a free plan, and what are its limits?

The AX Free plan includes 25,000 trace spans and 1 GB of storage per month with 15-day retention, plus unlimited users, evaluations, and experiments.

Source
Contabo: Does Contabo raise prices at renewal?

No. Unlike many hosting providers, Contabo does not increase renewal prices. The promotional price you get at sign-up is locked in for future renewals.

Source
Arize AI: What deployment options are available?

Free and Pro plans are SaaS-only, while Enterprise customers can choose SaaS or self-hosted deployment with custom SLAs.

Source
Contabo: What data center locations does Contabo offer?

Contabo operates 9 global data center regions including multiple EU locations, US East/Central/West Coast, United Kingdom, India, Singapore, Japan, and Australia.

Source
Contabo: Does Contabo provide managed services?

No. Contabo VPS is fully unmanaged. You handle all setup, security patching, and system maintenance. Managed hosting adds 2 hours per month of dedicated support for a fee.

Source
Contabo: What is Contabo's uptime guarantee?

Contabo maintains a 99.996% uptime guarantee across all plans. The platform includes unlimited traffic and free DDoS protection.

Source
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