Software Development · head to head
Baseten vs Comet ML
Comet ML
Machine Learning
Platform for tracking, comparing, and optimizing ML experiments
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Baseten pro and Enterprise pricing not published; requires contacting sales; Comet ML the free cloud tier caps data at 25,000 spans a month with 60 day retention
Where they differ
Only the attributes on which Baseten and Comet ML actually diverge.
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 Baseten
Nothing recorded that Comet ML does not also cover.
Only in Comet ML
- Experiment tracking
- Code versioning
- Model registry
- Hyperparameter optimization
- Production monitoring
- PyTorch
- TensorFlow
- Keras
What people use each for
The jobs each tool is most often brought in to do.
Baseten
- Custom model deploymentnot Comet ML
- Fine-tuned LLM hostingnot Comet ML
- Inference API scalingnot Comet ML
Comet ML
- LLM observability and monitoringnot Baseten
- AI agent testing and debuggingnot Baseten
- Experiment tracking for machine learningnot Baseten
- Model registry and version managementnot Baseten
- ML model training monitoringnot Baseten
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Baseten
- Pro and Enterprise pricing not published; requires contacting sales
- Pricing varies significantly by compute type and model
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 $19 per user per month and caps the team at 10 users
Pricing, plan by plan
Baseten
Free- BasicFree
- Pay-as-you-go deployments
- Dedicated model APIs
- SOC 2 Type II and HIPAA compliance
- Pro$null/month
- Priority GPU access
- Unlimited autoscaling
- Volume discounts available
- Enterprise$null/month
- Self-hosted options
- Custom SLAs
- Data residency control
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
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.
Questions people ask
- Is Baseten or Comet ML better?
- Neither clearly leads. Baseten starts at Free and Comet ML at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Baseten or Comet ML?
- Baseten starts at Free and Comet ML at Free.
- Does Baseten or Comet ML run on more platforms?
- Baseten runs on Web. Comet ML runs on Web, Linux, Mac, Windows.
- Can I use Baseten for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Baseten best used for?
- Baseten is most often used for custom model deployment, fine-tuned llm hosting, inference api scaling. Of those, custom model deployment and fine-tuned llm hosting are not what Comet ML is typically brought in for.
- What can Baseten do that Comet ML cannot?
- Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization.
Answered from the vendors’ own pages
Baseten: Does Baseten have a free tier?
Yes, Baseten's Basic plan is free with a pay-as-you-go model for dedicated deployments and model APIs.
SourceComet 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.
SourceBaseten: How are GPU instances priced on Baseten?
GPU instances are priced per minute: T4 at $0.01052/min, H100 at $0.10833/min, and B200 at $0.16633/min. CPU instances range from $0.00058 to $0.01382 per minute.
SourceComet 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.
SourceBaseten: What are Model API costs on Baseten?
Model API pricing varies by model: DeepSeek V4 Flash costs $0.13 per million input tokens and $0.028 per million output tokens; GLM-5.3-Flash costs $0.15 and $0.03 respectively.
SourceComet 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.
SourceBaseten: Does Baseten charge for idle compute time?
No, Baseten does not charge for idle time; billing only covers active compute usage on deployments.
SourceComet ML: Does Comet.ml offer academic pricing?
Yes, a free Pro plan is available for academic users; verification is required via signup.
SourceRelated pages
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- Comet ML vs Apache Spark MLlib
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