AI · head to head
Chatbase vs Comet ML
Comet ML
Machine Learning
Platform for tracking, comparing, and optimizing ML experiments
- From
- Free
- Free plan
- Yes
The short version
- Each has a real cost: Chatbase enterprise plan requires custom pricing with sales contact; Comet ML the free cloud tier caps data at 25,000 spans a month with 60 day retention
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Chatbase and Comet ML actually diverge.
Identical on both: starting price (Free), pricing model (freemium), 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 Chatbase
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.
Chatbase
- Automating customer support for returnsnot Comet ML
- Answering product questions 24/7 across channelsnot Comet ML
- Routing conversations to sales teamsnot Comet ML
- Escalating complex issues to human agentsnot Comet ML
Comet ML
- LLM observability and monitoringnot Chatbase
- AI agent testing and debuggingnot Chatbase
- Experiment tracking for machine learningnot Chatbase
- Model registry and version managementnot Chatbase
- ML model training monitoringnot Chatbase
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Chatbase
- Enterprise plan requires custom pricing with sales contact
- Message credits are consumption-based; exceeding monthly allocation requires additional purchase
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
Chatbase
Free- FreeFree
- 50 message credits monthly
- 1 member
- Limited model access
- Hobby$40/month
- 700 message credits
- 2 members
- Advanced models
- Standard$150/month
- 4,000 message credits
- 3 members
- Voice
- Pro$500/month
- 15,000 message credits
- 5 members
- Advanced analytics
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 Chatbase or Comet ML better?
- Neither clearly leads. Chatbase 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, Chatbase or Comet ML?
- Chatbase starts at Free and Comet ML at Free.
- Does Chatbase or Comet ML run on more platforms?
- Chatbase runs on Web. Comet ML runs on Web, Linux, Mac, Windows.
- Can I use Chatbase for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Chatbase best used for?
- Chatbase is most often used for automating customer support for returns, answering product questions 24/7 across channels, routing conversations to sales teams, escalating complex issues to human agents. Of those, automating customer support for returns and answering product questions 24/7 across channels are not what Comet ML is typically brought in for.
- What can Chatbase do that Comet ML cannot?
- Comet ML covers Experiment tracking, Code versioning, Model registry, Hyperparameter optimization.
Answered from the vendors’ own pages
Chatbase: Is there a free tier for Chatbase?
Yes, Chatbase offers a free plan with 50 message credits per month, 1 team member, and limited access to AI models. Agents created on the free plan automatically delete after 14 days of inactivity.
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.
SourceChatbase: What are the differences between Standard and Pro plans?
Standard ($150/month) includes 4,000 message credits and 3 team members with voice, telephony, and API access. Pro ($500/month) includes 15,000 message credits, 5 team members, and advanced analytics with ticket support.
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.
SourceChatbase: How much does it cost to add extra team members beyond the plan limit?
Chatbase's pricing page does not specify the cost for adding extra team members beyond the included count in each plan. Contact sales for custom member add-on pricing.
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.
SourceChatbase: Do annual plans offer a discount?
Yes, yearly plans save 20% compared to monthly billing across all tiers.
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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