Software Development · head to head
Amp vs Comet ML

Comet ML
Machine Learning
Platform for tracking, comparing, and optimizing ML experiments
- From
- Free
- Rated
- -
The short version
- Only Comet ML has a free tier, so it costs nothing to try first.
- Each has a real cost: Amp minimum $20/month subscription cost with limited orb hours (750); 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 Amp and Comet ML actually diverge.
Identical on both: 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 Amp
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.
Amp
No use cases recorded yet. See the Amp review.
Comet ML
- LLM observability and monitoringnot Amp
- AI agent testing and debuggingnot Amp
- Experiment tracking for machine learningnot Amp
- Model registry and version managementnot Amp
- ML model training monitoringnot Amp
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Amp
- Minimum $20/month subscription cost with limited orb hours (750)
- High-tier Gigawatt plan at $200/month required for ultra mode agents
- Usage limits apply after included quotas are consumed each month
- Each user limited to maximum of 2 simultaneous subscriptions
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
Amp
$20/monthly- Megawatt$20/monthly
- All product features
- 750 hours of orbs
- Use your ChatGPT subscription
- Gigawatt$200/monthly
- Everything in Megawatt plus: 1
- 000 hours of xxlarge orbs
- $200 included agent usage
- Education Discount$10/monthly
- For students and teachers: full access at $10/month (50% off Megawatt)
- Unconstrained$undefined/usage
- Pay for what you use at standard rates
- all agent modes
- API pricing for model tokens and orbs
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 Amp if
Nothing in the data separates Amp from Comet ML on the points above - pick on price and on how each one feels to use.
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 Amp or Comet ML better?
- Neither clearly leads. Amp starts at $20/monthly and Comet ML at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Amp or Comet ML?
- Comet ML has a free tier; the other does not. Paid plans start at $20/monthly for Amp and Free for Comet ML.
- Does Amp or Comet ML run on more platforms?
- Amp runs on Web. Comet ML runs on Web, Linux, Mac, Windows.
- Can I use Comet ML for free?
- Yes. Comet ML has a free tier, so you can try it without paying. Amp starts at $20/monthly.
- What can Amp do that Comet ML cannot?
- Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization.
Answered from the vendors’ own pages
Amp: How much does Amp cost per month?
Amp offers two main monthly plans: Megawatt at $20/month (750 hours of orbs) and Gigawatt at $200/month (1,000 hours of xxlarge orbs). Students and teachers get a 50% education discount ($10/month). Source: https://ampcode.com/pricing
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.
SourceAmp: What usage is included in Amp subscriptions?
At minimum, Amp subscriptions include agent usage equal to the subscription cost per month. Depending on usage patterns, you may receive additional usage beyond the base guarantee. Megawatt includes 750 orb hours and Gigawatt includes 1,000 hours of xxlarge orbs.
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.
SourceAmp: Can I use my own ChatGPT subscription with Amp?
Yes, Amp subscribers who link a ChatGPT subscription pay no per-token fees and can use as many tokens as their third-party subscription allows, making it ideal for users who already have ChatGPT access.
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.
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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- Comet ML vs Weights & Biases
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