Software · head to head
Comet ML vs Hugging Face

Comet ML
Software
Platform for tracking, comparing, and optimizing ML experiments
- 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; Hugging Face model discovery across 3 million models lacks robust filtering and sorting by quality metrics
- They diverge on capability: Comet ML covers Experiment tracking, Hugging Face covers Model hub.
Where they differ
Only the attributes on which Comet ML and Hugging Face actually diverge.
| Attribute | Comet ML | Hugging Face |
|---|---|---|
| Pricing model | freemium | Unknown |
| Platforms | Web, Linux, Mac, Windows | Web, API |
| Founded | 2017 | 2016 |
Identical on both: starting price (Free), 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 Comet ML
- Experiment tracking
- Code versioning
- Model registry
- Hyperparameter optimization
- Production monitoring
- PyTorch
- TensorFlow
- Keras
Only in Hugging Face
- Model hub
- Datasets
- Spaces
- Transformers library
- GitHub
- Cloud providers
- MLOps tools
- Api support
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 Hugging Face
- Monitoring and evaluating LLM applications with tracingnot Hugging Face
Hugging Face
- ai tools managementnot Comet ML
- Workflow automationnot Comet ML
- Reportingnot 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
Hugging Face
- Model discovery across 3 million models lacks robust filtering and sorting by quality metrics
- Community-driven content means variable model quality and documentation
- Private models and datasets require Pro subscription
- Enterprise support and SLAs require custom arrangements
Pricing, plan by plan
Comet ML
Free- FreeFree
- 100 experiments
- Basic features
- Community support
- Team$179/month
- Unlimited experiments
- Team collaboration
- Priority support
Hugging Face
FreeNo published plan breakdown. See the Hugging Face review.
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 Hugging Face if
- You need model hub.
- You want to start without paying.
- You work on Web, API.
- You also want datasets.
Questions people ask
- Is Comet ML or Hugging Face better?
- Neither clearly leads. Comet ML starts at Free and Hugging Face at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Comet ML or Hugging Face?
- Comet ML starts at Free and Hugging Face at Free.
- Does Comet ML or Hugging Face run on more platforms?
- Comet ML runs on Web, Linux, Mac, Windows. Hugging Face 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 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 Hugging Face is typically brought in for.
- What can Comet ML do that Hugging Face cannot?
- Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization. Hugging Face covers Model hub, Datasets, Spaces, Transformers library. Both handle Web support.
Answered from the vendors’ own pages
Hugging Face: Is Hugging Face free to use?
Yes. Hugging Face allows users to host and collaborate on unlimited public models, datasets, and applications at no cost. Models can be accessed and used freely from the Hub.
SourceHugging Face: How many models are available on Hugging Face?
Hugging Face Hub currently hosts nearly 3 million machine learning models across various tasks including text generation, image processing, and video generation.
SourceHugging Face: What is the Hugging Face Inference API?
Hugging Face provides access to 45,000+ models from leading AI providers through a single unified API with no service fees, simplifying access to diverse models.
SourceHugging Face: What content types does Hugging Face support?
Hugging Face supports text, image, video, audio, and 3D content models, allowing collaboration across multiple modalities and use cases.
SourceHugging Face: What is the transformers library?
Transformers is a Hugging Face library built for natural language processing applications, providing pre-built models and utilities for NLP tasks.
SourceRelated pages
More on Hugging Face
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