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AI · head to head

Arize AI vs Encore

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
Encore logo

Encore

Cloud

Automated infrastructure for humans and agents

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Arize AI the free plan caps trace spans at 25,000 per month with only 15 days of retention.; Encore limited language support (TypeScript and Go only)
  • They diverge on capability: Arize AI covers End-to-end tracing, Encore covers Local development environment.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where Arize AI and Encore differ
AttributeArize AIEncore
Pricing modelfreemiumUnknown
Platformsweb, apiWeb, CLI
CategoryAICloud

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 Arize AI

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

Only in Encore

  • Local development environment
  • Preview environments
  • Infrastructure automation
  • Cloud deployment
  • Self-service operations
  • Distributed tracing

What people use each for

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

Arize AI

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

Encore

  • Building microservices with database provisioningnot Arize AI
  • Creating feature branch preview environmentsnot Arize AI
  • Deploying TypeScript and Go backends to AWS/GCPnot 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.

Encore

  • Limited language support (TypeScript and Go only)
  • Pro tier requires per-member subscription pricing
  • Additional resource costs beyond subscription for AWS/GCP provisioning

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

Encore

Free
  • StarterFree
    • 2 free dev environments
    • 1M distributed tracing events/month
    • 7-day log retention
  • Pro$49/month
    • Unlimited free dev environments
    • 20M tracing events/month
    • 30-day log retention
  • Enterprise$undefined/custom
    • Enterprise security and compliance
    • SSO/SAML
    • Custom RBAC

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 Encore if

  • You need local development environment.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want preview environments.
Encore review

Questions people ask

Is Arize AI or Encore better?
Neither clearly leads. Arize AI starts at Free and Encore at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arize AI or Encore?
Arize AI starts at Free and Encore at Free.
Does Arize AI or Encore run on more platforms?
Arize AI runs on web, api. Encore runs on Web, CLI.
Can I use Arize AI for free?
Both have a free tier, so you can try either at no cost before committing.
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 Encore is typically brought in for.
What can Arize AI do that Encore cannot?
Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Encore covers Local development environment, Preview environments, Infrastructure automation, Cloud deployment.

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
Encore: What happens after the free tier?

The Pro plan costs $49/member/month plus usage charges of $2.50 per resource and $99 per AWS/GCP environment.

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
Encore: Do I own my infrastructure?

Yes, Encore deploys infrastructure in your own AWS or GCP cloud account, so you maintain complete control and avoid vendor lock-in.

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
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