ClearML vs Weights & Biases: Which is Better in 2026?
Choosing between ClearML and Weights & Biases comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Weights & Biases wins this matchup. Porkbun is our overall Developer Tools pick. Jotai is our free Developer Tools pick. Pick ClearML if you need developer tools.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
ClearML
Open-source MLOps platform for experiment tracking
Best for you if:
- • You want MLOps platform
Weights & Biases
Track, compare, and share ML experiments and models
Best for you if:
- • You want great visualizations
| At a Glance | ClearML | Weights & Biases |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Developer Tools Analytics | Analytics Data Visualization |
Rating | 4.7/5 G2 4.7 13 reviews | 4.6/5 G2 4.6 57 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Overage fees for storage/Weave data on Free tier |
Choose ClearML or Weights & Biases?
Choose ClearML if
- You want MLOps platform
- You want experiment tracking
- Budget matters (Free vs Free)
- You work in developer tools, not analytics
Choose Weights & Biases if
- You want great visualizations
- You want team collaboration
- You work in analytics, not developer tools
In-Depth Analysis
ClearML
Open-source MLOps platform for experiment tracking
ClearML's pricing is quite generous, especially with its robust Community tier offering 100GB storage and 1M API calls for free.
Strengths
- Pro: MLOps platform
- Pro: Experiment tracking
- Pro: Data management
- Pro: Open source core
- Pro: Self-hostable
Weaknesses
- Con: Learning curve
- Con: UI complex
- Con: Documentation dense
- Con: Enterprise expensive
- Con: Smaller community
Key features
Weights & Biases
Track, compare, and share ML experiments and models
The pricing for Weights & Biases is fair, offering a generous Free tier and a competitive Pro tier at $60/month.
Watch out
Overage fees for storage/Weave data on Free tier
Strengths
- Pro: Great visualizations
- Pro: Team collaboration
- Pro: Free tier
Weaknesses
- Con: Learning curve
- Con: Can be slow
Key features
Pricing: ClearML vs Weights & Biases
| Plan | ClearML | Weights & Biases |
|---|---|---|
| Tier 1 | Free Community | Free Free |
| Tier 2 | $15 month per user Pro | $60 Pro |
| Tier 3 | custom Scale | Free Academic |
| Tier 4 | custom Enterprise | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on ClearML pricing and Weights & Biases pricing.
Key Takeaways
Weights & Biases
- Larger review base (57 reviews)
- Free tier available
- Our pick for this comparison
ClearML
- Better fit for developer tools
The Bottom Line
Weights & Biases wins this matchup. Porkbun is our overall Developer Tools pick. Jotai is our free Developer Tools pick.
Frequently Asked Questions
Is ClearML or Weights & Biases better in 2026?
Weights & Biases wins this matchup. Porkbun is our overall Developer Tools pick. Jotai is our free Developer Tools pick. Pick ClearML for developer tools workflows (main strength: MLOps platform). Pick Weights & Biases for analytics workflows (main strength: great visualizations).
What are ClearML and Weights & Biases used for?
ClearML: Open-source MLOps platform for experiment tracking. Weights & Biases: Track, compare, and share ML experiments and models.
What does ClearML cost vs Weights & Biases?
ClearML's paid plans start at Free (Pro). Weights & Biases's paid plans start at Free (Pro).
What's the main difference between ClearML and Weights & Biases?
ClearML's main strength: MLOps platform. Weights & Biases's main strength: great visualizations.