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Machine Learning · head to head

Comet ML vs Openstatus

Comet ML logo

Comet ML

Machine Learning

Platform for tracking, comparing, and optimizing ML experiments

From
Free
Rated
-
Openstatus logo

Openstatus

Logging

Status pages with uptime monitoring and compliance-ready incident tracking

From
Free
Rated
-

The short version

  • Each has a real cost: Comet ML the free cloud tier caps data at 25,000 spans a month with 60 day retention; Openstatus free tier severely limited to 1 monitor and 1 status page
  • They diverge on capability: Comet ML covers Experiment tracking, Openstatus covers Branded status pages.

Where they differ

Only the attributes on which Comet ML and Openstatus actually diverge.

Attributes where Comet ML and Openstatus differ
AttributeComet MLOpenstatus
Pricing modelfreemiumUnknown
PlatformsWeb, Linux, Mac, WindowsWeb, API
CategoryMachine LearningLogging
Founded20172023

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 Comet ML

  • Experiment tracking
  • Code versioning
  • Model registry
  • Hyperparameter optimization
  • Production monitoring
  • PyTorch
  • TensorFlow
  • Keras

Only in Openstatus

  • Branded status pages
  • Global monitoring
  • Incident notifications
  • Audit-ready trails
  • API and CLI access
  • Terraform provider
  • Self-hosting

What people use each for

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

Comet ML

  • LLM observability and monitoringnot Openstatus
  • AI agent testing and debuggingnot Openstatus
  • Experiment tracking for machine learningnot Openstatus
  • Model registry and version managementnot Openstatus
  • ML model training monitoringnot Openstatus

Openstatus

  • Publishing incident status pages to customersnot Comet ML
  • Demonstrating compliance readiness to auditorsnot Comet ML
  • Alerting internal teams when services are downnot Comet ML
  • Tracking uptime metrics across global regionsnot Comet ML

Where each one falls short

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

Comet ML

  • The free cloud tier caps data at 25,000 spans a month with 60 day retention
  • Retention stays at 60 days even on the paid Pro plan, and extending it is a $29 per 100k spans add on
  • Overage on Pro is $5 per additional 100,000 spans
  • The free MLOps tier is a single user with 100 GB of storage and training hours governed by a fair usage policy
  • Pro MLOps is $19 per user per month and caps the team at 10 users

Openstatus

  • Free tier severely limited to 1 monitor and 1 status page
  • Per-status-page pricing adds cost for multi-product organizations
  • No built-in workflow orchestration or incident response automation
  • Limited historical analytics beyond incident documentation
  • No AI-powered incident diagnosis or root cause analysis

Pricing, plan by plan

Comet ML

Free
  • Free CloudFree
    • Up to 10 team members
    • 25,000 spans per month
    • 60-day data retention
  • Pro Cloud$19/month
    • Up to 50 team members
    • 100,000 spans per month
    • 60-day data retention
  • MLOps FreeFree
    • 1 user with fair usage policy
    • Experiment tracking
    • Dataset management
  • MLOps Pro$19/user/month
    • Up to 10 users
    • 1,500 training hours included
    • 500GB storage included

Openstatus

Free
  • FreeFree
    • 1 monitor with 10-minute intervals
    • 1 status page with 3 components
    • No credit card required
  • Starter$30/month
    • 20 monitors with 1-minute intervals
    • 1 status page with 20 components
    • 3-month data retention
  • Pro$100/month
    • 50 monitors with 30-second intervals
    • 5 status pages with 50 components each
    • 12-month data retention
  • Scale$500/month
    • 50 monitors with 30-second intervals
    • 10 status pages with 500 components each
    • 24-month data retention

Which should you pick?

Choose Comet ML if

  • You need experiment tracking.
  • You want to start without paying.
  • You work on Web, Linux, Mac, Windows.
  • You also want code versioning.

Choose Openstatus if

  • You need branded status pages.
  • You want to start without paying.
  • You work on Web, API.
  • You also want global monitoring.

Questions people ask

Is Comet ML or Openstatus better?
Neither clearly leads. Comet ML starts at Free and Openstatus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Comet ML or Openstatus?
Comet ML starts at Free and Openstatus at Free.
Does Comet ML or Openstatus run on more platforms?
Comet ML runs on Web, Linux, Mac, Windows. Openstatus runs on Web, API.
Can I use Comet ML for free?
Both have a free tier, so you can try either at no cost before committing.
What is Comet ML best used for?
Comet ML is most often used for llm observability and monitoring, ai agent testing and debugging, experiment tracking for machine learning, model registry and version management. Of those, llm observability and monitoring and ai agent testing and debugging are not what Openstatus is typically brought in for.
What can Comet ML do that Openstatus cannot?
Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization. Openstatus covers Branded status pages, Global monitoring, Incident notifications, Audit-ready trails.

Answered from the vendors’ own pages

Comet ML: Does Comet.ml offer a free plan?

Yes, Comet.ml offers free tiers for both Opik (cloud observability) and MLOps platforms. Free Cloud Opik includes up to 10 team members and 25,000 spans/month. Free MLOps tier is limited to 1 user.

Source
Openstatus: Can I use OpenStatus for free?

Yes, the free tier includes 1 monitor with 10-minute check intervals and 1 status page with 3 components, no credit card required.

Source
Comet ML: How many team members can use the free Comet.ml tier?

Free Cloud supports up to 10 team members. The Pro Cloud plan supports up to 50 team members at $19/month.

Source
Openstatus: What is included in annual billing for Starter plan?

Annual billing costs $300/year (vs $360/month), saving 2 months. Includes 20 monitors, 1-minute intervals, and all alert types.

Source
Comet ML: What is a span in Comet.ml pricing?

A span represents a single tracked operation such as model requests or function calls. Free Cloud tier includes 25,000 spans per month.

Source
Openstatus: Can I add extra status pages beyond my plan limit?

Yes, additional status pages cost $20/month and are billed separately on top of your plan.

Source
Comet ML: Does Comet.ml offer academic pricing?

Yes, a free Pro plan is available for academic users; verification is required via signup.

Source
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