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Comet pros and cons

Vendor: Comet
4.2 out of 5

Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

Comet has drastically reduced the time needed for collecting results and preparing comparisons, transforming tasks that once took hours into minutes.
Users report significant manual work reduction, saving around one hour daily and thirty percent of overall time in the release cycle.
Comet is highly valued for its return on investment, particularly through significant time reduction.
Key features include agentic capabilities for task automation like summarizing and drafting, alongside model metric tracking and comparison.
Comet enhances machine learning workflows by improving reproducibility, collaboration, and visibility across AI projects.

CONS

Some advanced features of Comet have a learning curve, requiring simpler onboarding for new users.
Comet runs slower than preferred, affecting overall performance speed.
Security enhancements are needed, as there are concerns about potential information leaks.
There are challenges in scalability limits, affecting Comet's ability to scale effectively.
The agent technology sometimes hallucinates, providing inaccurate summaries and information.
 

Comet Pros review quotes

reviewer2818368 - PeerSpot reviewer
ML Engineer at a energy/utilities company with 51-200 employees
May 17, 2026
Comet has been a very helpful tool in our machine learning workflows, helping us improve reproducibility, collaboration, and visibility across all the AI projects that we manage.
reviewer2827170 - PeerSpot reviewer
student at a university with 5,001-10,000 employees
Jun 1, 2026
I estimate I spend around thirty to forty percent less time organizing and comparing experiment results compared to manual tracking.
Kevin Shah - PeerSpot reviewer
Senior Data Scientist at a consultancy with 1-10 employees
Apr 7, 2026
Comet's return on investment is evident through significant time reduction, which is the most crucial factor I have observed.
Learn what your peers think about Comet. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.
900,644 professionals have used our research since 2012.
CarlosSanchez6 - PeerSpot reviewer
Manager & Co-Founder at Arido
Mar 24, 2026
I feel that I save about one hour of work per day thanks to Comet.
PT
AI/ML Engineer
Apr 11, 2026
The best features Comet offers include the agentic capability that I previously explained, where it compares and acts upon my instructions, goes through websites, makes summaries, and drafts emails, which is what I actually appreciate most in Comet browser.
Avi Cherny - PeerSpot reviewer
Automation Engineer at MyDubai.io
Apr 10, 2026
Comet has positively impacted my organization by definitely reducing my manual work.
PF
VP at Tech 3 60
Apr 30, 2026
I save approximately thirty percent of overall time in the release cycle thanks to Comet.
HarshalJethwa - PeerSpot reviewer
Cloud Operations Engineer at a tech vendor with 51-200 employees
Apr 6, 2026
Comet has positively impacted my organization by making work easier and faster.
reviewer2751006 - PeerSpot reviewer
Data Scientist at a computer software company with 1,001-5,000 employees
Aug 19, 2025
Model metric tracking and comparison has been extremely beneficial, and Comet's customer service has also been excellent—any issue we've had, they have been able to help us resolve.
 

Comet Cons review quotes

reviewer2818368 - PeerSpot reviewer
ML Engineer at a energy/utilities company with 51-200 employees
May 17, 2026
Pricing is one of the major challenges that Comet is facing.
reviewer2827170 - PeerSpot reviewer
student at a university with 5,001-10,000 employees
Jun 1, 2026
From a performance perspective, I occasionally notice that dashboards with a large number of experiments can take longer to load or navigate.
Kevin Shah - PeerSpot reviewer
Senior Data Scientist at a consultancy with 1-10 employees
Apr 7, 2026
I have identified some areas for improvement in Comet, particularly regarding high-quality prompting for AI questions.
Learn what your peers think about Comet. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.
900,644 professionals have used our research since 2012.
CarlosSanchez6 - PeerSpot reviewer
Manager & Co-Founder at Arido
Mar 24, 2026
I feel that Comet needs to enhance security; I believe we could be hacked, risking information leaks.
PT
AI/ML Engineer
Apr 11, 2026
The agent technology hallucinates frequently, so it can give me wrong summaries or decisions and misinterpret some information.
Avi Cherny - PeerSpot reviewer
Automation Engineer at MyDubai.io
Apr 10, 2026
The only thing I wish for is that Comet runs a bit slower than I would prefer.
PF
VP at Tech 3 60
Apr 30, 2026
Some areas I believe Comet can improve include scalability limits, as I face challenges when scaling.
HarshalJethwa - PeerSpot reviewer
Cloud Operations Engineer at a tech vendor with 51-200 employees
Apr 6, 2026
Comet can be improved by being more stable and providing security features similar to Brave.
reviewer2751006 - PeerSpot reviewer
Data Scientist at a computer software company with 1,001-5,000 employees
Aug 19, 2025
SageMaker itself has a cumbersome interface, which makes launching Comet somewhat of a hassle.