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Software · head to head

Arize AI vs LastPass

Arize AI logo

Arize AI

Software

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

From
Free
Rated
-
Full reviewWebsite
LastPass logo

LastPass

Software

Simplify online life with LastPass password manager

From
Free
Rated
-
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.; LastPass free plan limited to 1 device type only
  • They diverge on capability: Arize AI covers End-to-end tracing, LastPass covers Password vault.

Where they differ

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

Attributes where Arize AI and LastPass differ
AttributeArize AILastPass
Platformsweb, apiWeb, Desktop, Mobile
FoundedUnknown2008

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 LastPass

  • Password vault
  • Password generator
  • Autofill
  • Security dashboard
  • Dark web monitoring
  • Emergency access
  • Secure notes
  • Digital wallet

What people use each for

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

Arize AI

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

LastPass

  • Password management and vault storagenot Arize AI
  • Multi-device access and autofillnot Arize AI
  • Dark web monitoring and security dashboardnot Arize AI
  • Team collaboration with shared folders and policiesnot 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.

LastPass

  • Free plan limited to 1 device type only
  • Premium plan costs ~$3/month annually (30% discount applied)
  • Business Teams plan limited to up to 50 users maximum
  • Teams plan offers only 25 security policies
  • Business plan pricing ~$4/user/month
  • Business Max plan costs ~$7/user/month for advanced features

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

LastPass

Free

No published plan breakdown. See the LastPass review.

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 LastPass if

  • You need password vault.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want password generator.
LastPass review

Questions people ask

Is Arize AI or LastPass better?
Neither clearly leads. Arize AI starts at Free and LastPass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arize AI or LastPass?
Arize AI starts at Free and LastPass at Free.
Does Arize AI or LastPass run on more platforms?
Arize AI runs on web, api. LastPass runs on Web, Desktop, Mobile.
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 LastPass is typically brought in for.
What can Arize AI do that LastPass cannot?
Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. LastPass covers Password vault, Password generator, Autofill, Security dashboard.

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
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
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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