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AI · head to head

Arize AI vs Mmhmm

Arize AI logo

Arize AI

AI

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

From
Free
Rated
-
Full reviewWebsite
Mmhmm logo

Mmhmm

Remote Work

Presentation platform for video calls

From
$10/month
Rated
-
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.; Mmhmm renamed to Airtime and split into four separate tools, Camera, Recorder, Creator and Stacks, rather than the single app the mmhmm name refers to
  • They diverge on capability: Arize AI covers End-to-end tracing, Mmhmm covers Custom layouts.

Where they differ

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

Attributes where Arize AI and Mmhmm differ
AttributeArize AIMmhmm
Starting priceFree$10/month
Free tierYesNo
Platformsweb, apiDesktop Mac, Desktop Windows
CategoryAIRemote Work
FoundedUnknown2020

Identical on both: pricing model (freemium), 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 Mmhmm

  • Custom layouts
  • Screen sharing
  • Virtual backgrounds
  • Picture-in-picture
  • Recording
  • Zoom
  • Google Meet
  • Microsoft Teams

What people use each for

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

Arize AI

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

Mmhmm

  • Putting a presenter on screen over slides during a video callnot Arize AI
  • Recording a screen walkthrough up to an hournot Arize AI
  • Adding effects and reactions to a webcam feednot Arize AI
  • Collecting materials for a meeting in a shared stacknot 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.

Mmhmm

  • Renamed to Airtime and split into four separate tools, Camera, Recorder, Creator and Stacks, rather than the single app the mmhmm name refers to
  • Screen recordings are capped at one hour
  • Windows support requires Windows 10 or 11
  • Pricing is not shown on the product pages

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

Mmhmm

$10/month
  • Individual$10/month
    • Single user
    • Unlimited meetings and recordings
    • No storage or time limits
  • Individual Annual$120/year
    • Single user
    • 17% savings vs monthly billing
  • Team$10/month
    • Per-seat billing
    • Admin dashboard
    • Centralized billing
  • Team Annual$120/year
    • Per-seat billing
    • 17% savings vs monthly

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 Mmhmm if

  • You need custom layouts.
  • You work on Desktop Mac, Desktop Windows.
  • You also want screen sharing.
Mmhmm review

Questions people ask

Is Arize AI or Mmhmm better?
Neither clearly leads. Arize AI starts at Free and Mmhmm at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arize AI or Mmhmm?
Arize AI has a free tier; the other does not. Paid plans start at Free for Arize AI and $10/month for Mmhmm.
Does Arize AI or Mmhmm run on more platforms?
Arize AI runs on web, api. Mmhmm runs on Desktop Mac, Desktop Windows.
Can I use Arize AI for free?
Yes. Arize AI has a free tier, so you can try it without paying. Mmhmm starts at $10/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 Mmhmm is typically brought in for.
What can Arize AI do that Mmhmm cannot?
Arize AI covers End-to-end tracing, Evaluation framework, Prompt testing and improvement, Alyx AI engineering agent. Mmhmm covers Custom layouts, Screen sharing, Virtual backgrounds, Picture-in-picture.

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
Mmhmm: How much does Airtime cost?

Airtime (formerly mmhmm) costs 10 USD/month for Individual plan or 120 USD/year with annual billing providing 17% savings. Team plans also charge 10 USD per seat per month or 120 USD per seat per year.

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
Mmhmm: Is there a free trial?

Yes, a 14-day free trial is available with full access to Creator, Camera, and Stacks. Recorder feature is limited to 5 recordings of 5 minutes each during trial. No credit card required.

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
Mmhmm: What are the seat limits?

Individual plan supports single user; Team plan uses per-seat billing with volume discounts available for 20+ users under Enterprise plan.

Source
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