Machine Learning · head to head
Comet ML vs You.com
Comet ML
Machine Learning
Platform for tracking, comparing, and optimizing ML experiments
- From
- Free
- Free plan
- Yes
You.com
AI
Web search and data extraction APIs built for AI agents and LLMs
- From
- Free
- Free plan
- Yes
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; You.com pricing tiers beyond the pay-as-you-go table are not published and require contacting sales for volume discounts.
- They diverge on capability: Comet ML covers Experiment tracking, You.com covers Web Search API.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Comet ML and You.com 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 Comet ML
- Experiment tracking
- Code versioning
- Model registry
- Hyperparameter optimization
- Production monitoring
- PyTorch
- TensorFlow
- Keras
Only in You.com
- Web Search API
- Contents API
- Answer API
- Research API
- Zero data retention
- SOC 2 certification
What people use each for
The jobs each tool is most often brought in to do.
Comet ML
- LLM observability and monitoringnot You.com
- AI agent testing and debuggingnot You.com
- Experiment tracking for machine learningnot You.com
- Model registry and version managementnot You.com
- ML model training monitoringnot You.com
You.com
- Grounding LLM chatbots with live web datanot Comet ML
- Building AI research agentsnot Comet ML
- Adding cited web answers to productsnot Comet ML
- Financial research automationnot 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
You.com
- Pricing tiers beyond the pay-as-you-go table are not published and require contacting sales for volume discounts.
- Finance Research API is priced significantly higher than the other endpoints, at $110 per 1,000 calls.
- No self-serve dashboard details are published for managing enterprise zero-retention settings.
Pricing, plan by plan
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
You.com
Free- FreeFree
- 100 Web Search API queries/day
- $100 free credit
- Pay-as-you-go$undefined/mo
- Web Search API $5 per 1,000 calls
- Contents API $1 per 1,000 pages
- Answer API $5 per 1,000 calls
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 You.com if
- You need web search api.
- You want to start without paying.
- You work on web, api.
- You also want contents api.
Questions people ask
- Is Comet ML or You.com better?
- Neither clearly leads. Comet ML starts at Free and You.com at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Comet ML or You.com?
- Comet ML starts at Free and You.com at Free.
- Does Comet ML or You.com run on more platforms?
- Comet ML runs on Web, Linux, Mac, Windows. You.com 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 llm observability and monitoring, ai agent testing and debugging, experiment tracking for machine learning, model registry and version management. Of those, llm observability and monitoring and ai agent testing and debugging are not what You.com is typically brought in for.
- What can Comet ML do that You.com cannot?
- Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization. You.com covers Web Search API, Contents API, Answer API, Research API.
Answered from the vendors’ own pages
Comet 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.
SourceYou.com: Does You.com offer a free tier?
Yes, the Free plan includes 100 Web Search API queries per day plus $100 in free credit to try the other APIs before paying.
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.
SourceYou.com: How is usage billed on paid plans?
Pay-as-you-go pricing charges per 1,000 calls: $5 for Web Search, $1 for Contents, $5 for Answer, $12 for Research, and $110 for Finance Research.
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.
SourceYou.com: Are there volume discounts?
Yes, You.com offers lower per-call rates as usage scales, plus optional annual commitment plans for deeper discounts and predictable costs.
SourceComet ML: Does Comet.ml offer academic pricing?
Yes, a free Pro plan is available for academic users; verification is required via signup.
SourceYou.com: Is there a minimum spend to use the APIs?
No, the pay-as-you-go model has no minimums, so developers are billed only for the calls they actually make beyond the free credit.
SourceYou.com: What enterprise security options are available?
You.com offers SOC 2 certified infrastructure, zero data retention options, and Data Processing Agreements with custom QPS limits for enterprise customers.
SourceRelated pages
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