Softwr

Machine Learning & Data Science · head to head

Comet ML vs Open edX

Comet ML logo

Comet ML

Machine Learning & Data Science

Platform for tracking, comparing, and optimizing ML experiments

From
Free
Rated
-
Open edX logo

Open edX

Education & E-Learning

Open-source platform powering online learning

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; Open edX open edX has no licensing fee as open source software, but the vendor's own site states that hosting and infrastructure costs are the operator's responsibility, so there is no bundled managed-hosting price to compare against SaaS competitors.
  • They diverge on capability: Comet ML covers Experiment tracking, Open edX covers Course authoring.

Where they differ

Only the attributes on which Comet ML and Open edX actually diverge.

Attributes where Comet ML and Open edX differ
AttributeComet MLOpen edX
Pricing modelfreemiumfree
PlatformsWeb, Linux, Mac, WindowsWeb, IOS, Android
CategoryMachine Learning & Data ScienceEducation & E-Learning
Founded20172012

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 Open edX

  • Course authoring
  • Interactive videos
  • Assessments
  • Discussions
  • Certificates
  • Analytics
  • Mobile apps
  • xBlocks

Both cover

  • Web support

What people use each for

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

Comet ML

  • Tracking machine learning experiments, metrics and model versionsnot Open edX
  • Monitoring and evaluating LLM applications with tracingnot Open edX

Open edX

  • MOOC creationnot Comet ML
  • Corporate trainingnot Comet ML
  • Blended learningnot Comet ML
  • Degree programsnot 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

Open edX

  • Open edX has no licensing fee as open source software, but the vendor's own site states that hosting and infrastructure costs are the operator's responsibility, so there is no bundled managed-hosting price to compare against SaaS competitors.

Pricing, plan by plan

Comet ML

Free
  • FreeFree
    • 100 experiments
    • Basic features
    • Community support
  • Team$179/month
    • Unlimited experiments
    • Team collaboration
    • Priority support

Open edX

Free
  • Self-HostedFree
    • Full platform
    • Community support
    • All features
  • Managed Hosting$undefined/month
    • Hosted solution
    • Support
    • Maintenance

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 Open edX if

  • You need course authoring.
  • You want to start without paying.
  • You work on Web, IOS, Android.
  • You also want interactive videos.

Questions people ask

Is Comet ML or Open edX better?
Neither clearly leads. Comet ML starts at Free and Open edX at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Comet ML or Open edX?
Comet ML starts at Free and Open edX at Free.
Does Comet ML or Open edX run on more platforms?
Comet ML runs on Web, Linux, Mac, Windows. Open edX runs on Web, IOS, Android.
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 tracking machine learning experiments, metrics and model versions, monitoring and evaluating llm applications with tracing. Of those, tracking machine learning experiments, metrics and model versions and monitoring and evaluating llm applications with tracing are not what Open edX is typically brought in for.
What can Comet ML do that Open edX cannot?
Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization. Open edX covers Course authoring, Interactive videos, Assessments, Discussions. Both handle Web support.

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